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llvm / llvm-project / af44d87e0d80cda78451d8de723c974bf58ccac0 / . / llvm / test / Transforms / Attributor / value-simplify-pointer-info.ll
blob: fa942c99fb36fef869cdd7d033daf8ae4a5cb3f7 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
;
%struct.S = type { i32, i32, i32, float, float, float }
@globalBytes = global [1024 x i8] zeroinitializer, align 16
@Gint1 = global i32 zeroinitializer, align 4
@Gint2 = global i32 zeroinitializer, align 4
@Gstatic_int1 = internal global i32 zeroinitializer, align 4
@Gstatic_int2 = internal global i32 zeroinitializer, align 4
@Gstatic_int3 = internal global i32 zeroinitializer, align 4
@Gstatic_undef_int1 = internal global i32 undef, align 4
@Gstatic_undef_int2 = internal global i32 undef, align 4
@GI1 = internal global i32 undef, align 4
@GI2 = internal global i32 undef, align 4
@Gs1 = internal global %struct.S undef, align 4
@Gs2 = internal global %struct.S zeroinitializer, align 4
@Vs1 = internal global %struct.S undef, align 4
@Vs2 = internal global %struct.S undef, align 4
@GBytes = internal global [1024 x i8] zeroinitializer, align 16
@Flag0 = global i32 0, align 4
@Flag1 = internal global i32 undef, align 4
@Flag2 = internal global i32 undef, align 4
@Flag4 = internal global i32 undef, align 4
@Flag3 = internal global i32 zeroinitializer, align 4
@a1 = internal global i32 zeroinitializer
@a2 = internal global i32 zeroinitializer
@a3 = internal global i32 undef
@bytes1 = internal global i32 undef
@bytes2 = internal global i32 undef
@rec_storage = internal global i32 undef
;.
; CHECK: @globalBytes = global [1024 x i8] zeroinitializer, align 16
; CHECK: @Gint1 = global i32 0, align 4
; CHECK: @Gint2 = global i32 0, align 4
; CHECK: @Gstatic_int1 = internal global i32 0, align 4
; CHECK: @Gstatic_int2 = internal global i32 0, align 4
; CHECK: @Gstatic_int3 = internal global i32 0, align 4
; CHECK: @Gstatic_undef_int1 = internal global i32 undef, align 4
; CHECK: @Gstatic_undef_int2 = internal global i32 undef, align 4
; CHECK: @GI1 = internal global i32 undef, align 4
; CHECK: @GI2 = internal global i32 undef, align 4
; CHECK: @Gs1 = internal global %struct.S undef, align 4
; CHECK: @Gs2 = internal global %struct.S zeroinitializer, align 4
; CHECK: @Vs1 = internal global %struct.S undef, align 4
; CHECK: @Vs2 = internal global %struct.S undef, align 4
; CHECK: @GBytes = internal global [1024 x i8] zeroinitializer, align 16
; CHECK: @Flag0 = global i32 0, align 4
; CHECK: @Flag1 = internal global i32 undef, align 4
; CHECK: @Flag2 = internal global i32 undef, align 4
; CHECK: @Flag4 = internal global i32 undef, align 4
; CHECK: @Flag3 = internal global i32 0, align 4
; CHECK: @a1 = internal global i32 0
; CHECK: @a2 = internal global i32 0
; CHECK: @a3 = internal global i32 undef
; CHECK: @bytes1 = internal global i32 undef
; CHECK: @bytes2 = internal global i32 undef
; CHECK: @rec_storage = internal global i32 undef
; CHECK: @global = internal global %struct.STy zeroinitializer, align 8
; CHECK: @G = internal global i32 0, align 4
; CHECK: @GC = internal global i32 undef, align 4
; CHECK: @GRS = internal thread_local global i32 undef
; CHECK: @GRS2 = global i32 undef
;.
define void @write_arg(ptr %p, i32 %v) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write)
; CHECK-LABEL: define {{[^@]+}}@write_arg
; CHECK-SAME: (ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[P:%.*]], i32 [[V:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: store i32 [[V]], ptr [[P]], align 4, !tbaa [[TBAA3:![0-9]+]]
; CHECK-NEXT: ret void
;
entry:
store i32 %v, ptr %p, align 4, !tbaa !3
ret void
}
define void @write_random(ptr %p) {
; CHECK-LABEL: define {{[^@]+}}@write_random
; CHECK-SAME: (ptr nofree writeonly captures(none) [[P:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = call i32 (...) @random()
; CHECK-NEXT: store i32 [[CALL]], ptr [[P]], align 4, !tbaa [[TBAA3]]
; CHECK-NEXT: ret void
;
entry:
%call = call i32 (...) @random()
store i32 %call, ptr %p, align 4, !tbaa !3
ret void
}
declare i32 @random(...)
; struct S local_alloca_simplifiable_1(void) {
; struct S s;
; s.f1 = 1.1;
; s.f2 = 2.2;
; s.f3 = 3.3;
; write_arg(&s.i1, 1);
; write_arg(&s.i2, 2);
; write_arg(&s.i3, 3);
; struct S r;
; r.f1 = s.f1;
; r.f2 = s.f2 * 2;
; r.f3 = s.f3 + s.f1;
; r.i1 = s.i1;
; r.i2 = s.i2 * 2;
; r.i3 = s.i3 + s.i1;
; return r;
; }
define void @local_alloca_simplifiable_1(ptr noalias sret(%struct.S) align 4 %agg.result) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; TUNIT-LABEL: define {{[^@]+}}@local_alloca_simplifiable_1
; TUNIT-SAME: (ptr noalias nofree writeonly sret([[STRUCT_S:%.*]]) align 4 captures(none) dereferenceable_or_null(24) [[AGG_RESULT:%.*]]) #[[ATTR1:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[S:%.*]] = alloca [[STRUCT_S]], align 4
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 24, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(24) [[S]]) #[[ATTR17:[0-9]+]]
; TUNIT-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; TUNIT-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; TUNIT-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; TUNIT-NEXT: call void @write_arg(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(24) [[S]], i32 noundef 1) #[[ATTR18:[0-9]+]]
; TUNIT-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR18]]
; TUNIT-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR18]]
; TUNIT-NEXT: [[F12:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 3
; TUNIT-NEXT: store float 0x3FF19999A0000000, ptr [[F12]], align 4, !tbaa [[TBAA7:![0-9]+]]
; TUNIT-NEXT: [[F24:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 4
; TUNIT-NEXT: store float 0x40119999A0000000, ptr [[F24]], align 4, !tbaa [[TBAA10:![0-9]+]]
; TUNIT-NEXT: [[F37:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 5
; TUNIT-NEXT: store float 0x40119999A0000000, ptr [[F37]], align 4, !tbaa [[TBAA11:![0-9]+]]
; TUNIT-NEXT: store i32 1, ptr [[AGG_RESULT]], align 4, !tbaa [[TBAA12:![0-9]+]]
; TUNIT-NEXT: [[I212:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 1
; TUNIT-NEXT: store i32 4, ptr [[I212]], align 4, !tbaa [[TBAA13:![0-9]+]]
; TUNIT-NEXT: [[I316:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 2
; TUNIT-NEXT: store i32 4, ptr [[I316]], align 4, !tbaa [[TBAA14:![0-9]+]]
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 24, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(24) [[S]]) #[[ATTR17]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@local_alloca_simplifiable_1
; CGSCC-SAME: (ptr noalias nofree noundef nonnull writeonly sret([[STRUCT_S:%.*]]) align 4 captures(none) dereferenceable(24) [[AGG_RESULT:%.*]]) #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[S:%.*]] = alloca [[STRUCT_S]], align 4
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 24, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(24) [[S]]) #[[ATTR20:[0-9]+]]
; CGSCC-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; CGSCC-NEXT: store float 0x3FF19999A0000000, ptr [[F1]], align 4, !tbaa [[TBAA7:![0-9]+]]
; CGSCC-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; CGSCC-NEXT: store float 0x40019999A0000000, ptr [[F2]], align 4, !tbaa [[TBAA10:![0-9]+]]
; CGSCC-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; CGSCC-NEXT: store float 0x400A666660000000, ptr [[F3]], align 4, !tbaa [[TBAA11:![0-9]+]]
; CGSCC-NEXT: call void @write_arg(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(24) [[S]], i32 noundef 1) #[[ATTR21:[0-9]+]]
; CGSCC-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR21]]
; CGSCC-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR21]]
; CGSCC-NEXT: [[F11:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; CGSCC-NEXT: [[I4:%.*]] = load float, ptr [[F11]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[F12:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 3
; CGSCC-NEXT: store float [[I4]], ptr [[F12]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[F23:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; CGSCC-NEXT: [[I5:%.*]] = load float, ptr [[F23]], align 4, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[MUL:%.*]] = fmul float [[I5]], 2.000000e+00
; CGSCC-NEXT: [[F24:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 4
; CGSCC-NEXT: store float [[MUL]], ptr [[F24]], align 4, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[F35:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; CGSCC-NEXT: [[I6:%.*]] = load float, ptr [[F35]], align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: [[F16:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; CGSCC-NEXT: [[I7:%.*]] = load float, ptr [[F16]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[ADD:%.*]] = fadd float [[I6]], [[I7]]
; CGSCC-NEXT: [[F37:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 5
; CGSCC-NEXT: store float [[ADD]], ptr [[F37]], align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: [[I8:%.*]] = load i32, ptr [[S]], align 4, !tbaa [[TBAA12:![0-9]+]]
; CGSCC-NEXT: store i32 [[I8]], ptr [[AGG_RESULT]], align 4, !tbaa [[TBAA12]]
; CGSCC-NEXT: [[I210:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; CGSCC-NEXT: [[I9:%.*]] = load i32, ptr [[I210]], align 4, !tbaa [[TBAA13:![0-9]+]]
; CGSCC-NEXT: [[MUL11:%.*]] = shl nsw i32 [[I9]], 1
; CGSCC-NEXT: [[I212:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 1
; CGSCC-NEXT: store i32 [[MUL11]], ptr [[I212]], align 4, !tbaa [[TBAA13]]
; CGSCC-NEXT: [[I313:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; CGSCC-NEXT: [[I10:%.*]] = load i32, ptr [[I313]], align 4, !tbaa [[TBAA14:![0-9]+]]
; CGSCC-NEXT: [[I11:%.*]] = load i32, ptr [[S]], align 4, !tbaa [[TBAA12]]
; CGSCC-NEXT: [[ADD15:%.*]] = add nsw i32 [[I10]], [[I11]]
; CGSCC-NEXT: [[I316:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 2
; CGSCC-NEXT: store i32 [[ADD15]], ptr [[I316]], align 4, !tbaa [[TBAA14]]
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 24, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(24) [[S]]) #[[ATTR20]]
; CGSCC-NEXT: ret void
;
entry:
%s = alloca %struct.S, align 4
call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %s)
%f1 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 3
store float 0x3FF19999A0000000, ptr %f1, align 4, !tbaa !7
%f2 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 4
store float 0x40019999A0000000, ptr %f2, align 4, !tbaa !10
%f3 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 5
store float 0x400A666660000000, ptr %f3, align 4, !tbaa !11
call void @write_arg(ptr nonnull %s, i32 1)
%i2 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 1
call void @write_arg(ptr nonnull %i2, i32 2)
%i3 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 2
call void @write_arg(ptr nonnull %i3, i32 3)
%f11 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 3
%i4 = load float, ptr %f11, align 4, !tbaa !7
%f12 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 3
store float %i4, ptr %f12, align 4, !tbaa !7
%f23 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 4
%i5 = load float, ptr %f23, align 4, !tbaa !10
%mul = fmul float %i5, 2.000000e+00
%f24 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 4
store float %mul, ptr %f24, align 4, !tbaa !10
%f35 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 5
%i6 = load float, ptr %f35, align 4, !tbaa !11
%f16 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 3
%i7 = load float, ptr %f16, align 4, !tbaa !7
%add = fadd float %i6, %i7
%f37 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 5
store float %add, ptr %f37, align 4, !tbaa !11
%i8 = load i32, ptr %s, align 4, !tbaa !12
store i32 %i8, ptr %agg.result, align 4, !tbaa !12
%i210 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 1
%i9 = load i32, ptr %i210, align 4, !tbaa !13
%mul11 = shl nsw i32 %i9, 1
%i212 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 1
store i32 %mul11, ptr %i212, align 4, !tbaa !13
%i313 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 2
%i10 = load i32, ptr %i313, align 4, !tbaa !14
%i11 = load i32, ptr %s, align 4, !tbaa !12
%add15 = add nsw i32 %i10, %i11
%i316 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 2
store i32 %add15, ptr %i316, align 4, !tbaa !14
call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %s)
ret void
}
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
; void local_alloca_simplifiable_2(void) {
; char Bytes[1024];
; for (int i = 0; i < 100; ++i)
; Bytes[i * 10] = 0;
; for (int i = 0; i < 10; ++i)
; ((float *)Bytes)[i * 10 + 1] = 0;
; for (int i = 0; i < 20; ++i)
; ((long long int *)Bytes)[i * 10 + 2] = 0;
; Bytes[1023] = 0;
; write_arg((int *)&Bytes[500], 0);
; struct S R;
; for (int i = 0; i < 1024; ++i)
; globalBytes[i] = Bytes[i];
; }
;
define void @local_alloca_simplifiable_2() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@local_alloca_simplifiable_2
; TUNIT-SAME: () #[[ATTR3:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 1024, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(1024) [[BYTES]]) #[[ATTR17]]
; TUNIT-NEXT: br label [[FOR_COND:%.*]]
; TUNIT: for.cond:
; TUNIT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; TUNIT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], 100
; TUNIT-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; TUNIT: for.cond.cleanup:
; TUNIT-NEXT: br label [[FOR_END:%.*]]
; TUNIT: for.body:
; TUNIT-NEXT: [[I15:%.*]] = mul nuw nsw i64 [[INDVARS_IV]], 10
; TUNIT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 [[I15]]
; TUNIT-NEXT: br label [[FOR_INC]]
; TUNIT: for.inc:
; TUNIT-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; TUNIT-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP15:![0-9]+]]
; TUNIT: for.end:
; TUNIT-NEXT: br label [[FOR_COND2:%.*]]
; TUNIT: for.cond2:
; TUNIT-NEXT: [[INDVARS_IV2:%.*]] = phi i64 [ [[INDVARS_IV_NEXT3:%.*]], [[FOR_INC9:%.*]] ], [ 0, [[FOR_END]] ]
; TUNIT-NEXT: [[EXITCOND6:%.*]] = icmp ne i64 [[INDVARS_IV2]], 10
; TUNIT-NEXT: br i1 [[EXITCOND6]], label [[FOR_BODY5:%.*]], label [[FOR_COND_CLEANUP4:%.*]]
; TUNIT: for.cond.cleanup4:
; TUNIT-NEXT: br label [[FOR_END11:%.*]]
; TUNIT: for.body5:
; TUNIT-NEXT: [[I17:%.*]] = mul nuw nsw i64 [[INDVARS_IV2]], 10
; TUNIT-NEXT: [[I18:%.*]] = or i64 [[I17]], 1
; TUNIT-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds float, ptr [[BYTES]], i64 [[I18]]
; TUNIT-NEXT: br label [[FOR_INC9]]
; TUNIT: for.inc9:
; TUNIT-NEXT: [[INDVARS_IV_NEXT3]] = add nuw nsw i64 [[INDVARS_IV2]], 1
; TUNIT-NEXT: br label [[FOR_COND2]], !llvm.loop [[LOOP17:![0-9]+]]
; TUNIT: for.end11:
; TUNIT-NEXT: br label [[FOR_COND13:%.*]]
; TUNIT: for.cond13:
; TUNIT-NEXT: [[INDVARS_IV7:%.*]] = phi i64 [ [[INDVARS_IV_NEXT8:%.*]], [[FOR_INC22:%.*]] ], [ 0, [[FOR_END11]] ]
; TUNIT-NEXT: [[EXITCOND11:%.*]] = icmp ne i64 [[INDVARS_IV7]], 20
; TUNIT-NEXT: br i1 [[EXITCOND11]], label [[FOR_BODY16:%.*]], label [[FOR_COND_CLEANUP15:%.*]]
; TUNIT: for.cond.cleanup15:
; TUNIT-NEXT: br label [[FOR_END24:%.*]]
; TUNIT: for.body16:
; TUNIT-NEXT: [[I20:%.*]] = mul nuw nsw i64 [[INDVARS_IV7]], 10
; TUNIT-NEXT: [[I21:%.*]] = add nuw nsw i64 [[I20]], 2
; TUNIT-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds i64, ptr [[BYTES]], i64 [[I21]]
; TUNIT-NEXT: br label [[FOR_INC22]]
; TUNIT: for.inc22:
; TUNIT-NEXT: [[INDVARS_IV_NEXT8]] = add nuw nsw i64 [[INDVARS_IV7]], 1
; TUNIT-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP18:![0-9]+]]
; TUNIT: for.end24:
; TUNIT-NEXT: [[ARRAYIDX25:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 1023
; TUNIT-NEXT: [[ARRAYIDX26:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 500
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(524) [[ARRAYIDX26]], i32 noundef 0) #[[ATTR18]]
; TUNIT-NEXT: br label [[FOR_COND28:%.*]]
; TUNIT: for.cond28:
; TUNIT-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC36:%.*]] ], [ 0, [[FOR_END24]] ]
; TUNIT-NEXT: [[EXITCOND14:%.*]] = icmp ne i64 [[INDVARS_IV12]], 1024
; TUNIT-NEXT: br i1 [[EXITCOND14]], label [[FOR_BODY31:%.*]], label [[FOR_COND_CLEANUP30:%.*]]
; TUNIT: for.cond.cleanup30:
; TUNIT-NEXT: br label [[FOR_END38:%.*]]
; TUNIT: for.body31:
; TUNIT-NEXT: [[ARRAYIDX35:%.*]] = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 [[INDVARS_IV12]]
; TUNIT-NEXT: store i8 0, ptr [[ARRAYIDX35]], align 1, !tbaa [[TBAA19:![0-9]+]]
; TUNIT-NEXT: br label [[FOR_INC36]]
; TUNIT: for.inc36:
; TUNIT-NEXT: [[INDVARS_IV_NEXT13]] = add nuw nsw i64 [[INDVARS_IV12]], 1
; TUNIT-NEXT: br label [[FOR_COND28]], !llvm.loop [[LOOP20:![0-9]+]]
; TUNIT: for.end38:
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 1024, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(1024) [[BYTES]]) #[[ATTR17]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@local_alloca_simplifiable_2
; CGSCC-SAME: () #[[ATTR3:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 1024, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(1024) [[BYTES]]) #[[ATTR20]]
; CGSCC-NEXT: br label [[FOR_COND:%.*]]
; CGSCC: for.cond:
; CGSCC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; CGSCC-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], 100
; CGSCC-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; CGSCC: for.cond.cleanup:
; CGSCC-NEXT: br label [[FOR_END:%.*]]
; CGSCC: for.body:
; CGSCC-NEXT: [[I15:%.*]] = mul nuw nsw i64 [[INDVARS_IV]], 10
; CGSCC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 [[I15]]
; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX]], align 2, !tbaa [[TBAA15:![0-9]+]]
; CGSCC-NEXT: br label [[FOR_INC]]
; CGSCC: for.inc:
; CGSCC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CGSCC-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP16:![0-9]+]]
; CGSCC: for.end:
; CGSCC-NEXT: br label [[FOR_COND2:%.*]]
; CGSCC: for.cond2:
; CGSCC-NEXT: [[INDVARS_IV2:%.*]] = phi i64 [ [[INDVARS_IV_NEXT3:%.*]], [[FOR_INC9:%.*]] ], [ 0, [[FOR_END]] ]
; CGSCC-NEXT: [[EXITCOND6:%.*]] = icmp ne i64 [[INDVARS_IV2]], 10
; CGSCC-NEXT: br i1 [[EXITCOND6]], label [[FOR_BODY5:%.*]], label [[FOR_COND_CLEANUP4:%.*]]
; CGSCC: for.cond.cleanup4:
; CGSCC-NEXT: br label [[FOR_END11:%.*]]
; CGSCC: for.body5:
; CGSCC-NEXT: [[I17:%.*]] = mul nuw nsw i64 [[INDVARS_IV2]], 10
; CGSCC-NEXT: [[I18:%.*]] = or i64 [[I17]], 1
; CGSCC-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds float, ptr [[BYTES]], i64 [[I18]]
; CGSCC-NEXT: store float 0.000000e+00, ptr [[ARRAYIDX8]], align 4, !tbaa [[TBAA18:![0-9]+]]
; CGSCC-NEXT: br label [[FOR_INC9]]
; CGSCC: for.inc9:
; CGSCC-NEXT: [[INDVARS_IV_NEXT3]] = add nuw nsw i64 [[INDVARS_IV2]], 1
; CGSCC-NEXT: br label [[FOR_COND2]], !llvm.loop [[LOOP19:![0-9]+]]
; CGSCC: for.end11:
; CGSCC-NEXT: br label [[FOR_COND13:%.*]]
; CGSCC: for.cond13:
; CGSCC-NEXT: [[INDVARS_IV7:%.*]] = phi i64 [ [[INDVARS_IV_NEXT8:%.*]], [[FOR_INC22:%.*]] ], [ 0, [[FOR_END11]] ]
; CGSCC-NEXT: [[EXITCOND11:%.*]] = icmp ne i64 [[INDVARS_IV7]], 20
; CGSCC-NEXT: br i1 [[EXITCOND11]], label [[FOR_BODY16:%.*]], label [[FOR_COND_CLEANUP15:%.*]]
; CGSCC: for.cond.cleanup15:
; CGSCC-NEXT: br label [[FOR_END24:%.*]]
; CGSCC: for.body16:
; CGSCC-NEXT: [[I20:%.*]] = mul nuw nsw i64 [[INDVARS_IV7]], 10
; CGSCC-NEXT: [[I21:%.*]] = add nuw nsw i64 [[I20]], 2
; CGSCC-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds i64, ptr [[BYTES]], i64 [[I21]]
; CGSCC-NEXT: store i64 0, ptr [[ARRAYIDX21]], align 16, !tbaa [[TBAA20:![0-9]+]]
; CGSCC-NEXT: br label [[FOR_INC22]]
; CGSCC: for.inc22:
; CGSCC-NEXT: [[INDVARS_IV_NEXT8]] = add nuw nsw i64 [[INDVARS_IV7]], 1
; CGSCC-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP22:![0-9]+]]
; CGSCC: for.end24:
; CGSCC-NEXT: [[ARRAYIDX25:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 1023
; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX25]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: [[ARRAYIDX26:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 500
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(524) [[ARRAYIDX26]], i32 noundef 0) #[[ATTR21]]
; CGSCC-NEXT: br label [[FOR_COND28:%.*]]
; CGSCC: for.cond28:
; CGSCC-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC36:%.*]] ], [ 0, [[FOR_END24]] ]
; CGSCC-NEXT: [[EXITCOND14:%.*]] = icmp ne i64 [[INDVARS_IV12]], 1024
; CGSCC-NEXT: br i1 [[EXITCOND14]], label [[FOR_BODY31:%.*]], label [[FOR_COND_CLEANUP30:%.*]]
; CGSCC: for.cond.cleanup30:
; CGSCC-NEXT: br label [[FOR_END38:%.*]]
; CGSCC: for.body31:
; CGSCC-NEXT: [[ARRAYIDX33:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 [[INDVARS_IV12]]
; CGSCC-NEXT: [[I23:%.*]] = load i8, ptr [[ARRAYIDX33]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: [[ARRAYIDX35:%.*]] = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 [[INDVARS_IV12]]
; CGSCC-NEXT: store i8 [[I23]], ptr [[ARRAYIDX35]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: br label [[FOR_INC36]]
; CGSCC: for.inc36:
; CGSCC-NEXT: [[INDVARS_IV_NEXT13]] = add nuw nsw i64 [[INDVARS_IV12]], 1
; CGSCC-NEXT: br label [[FOR_COND28]], !llvm.loop [[LOOP23:![0-9]+]]
; CGSCC: for.end38:
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 1024, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(1024) [[BYTES]]) #[[ATTR20]]
; CGSCC-NEXT: ret void
;
entry:
%Bytes = alloca [1024 x i8], align 16
call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %Bytes)
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 100
br i1 %exitcond, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
br label %for.end
for.body: ; preds = %for.cond
%i15 = mul nuw nsw i64 %indvars.iv, 10
%arrayidx = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 %i15
store i8 0, ptr %arrayidx, align 2, !tbaa !15
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond, !llvm.loop !16
for.end: ; preds = %for.cond.cleanup
br label %for.cond2
for.cond2: ; preds = %for.inc9, %for.end
%indvars.iv2 = phi i64 [ %indvars.iv.next3, %for.inc9 ], [ 0, %for.end ]
%exitcond6 = icmp ne i64 %indvars.iv2, 10
br i1 %exitcond6, label %for.body5, label %for.cond.cleanup4
for.cond.cleanup4: ; preds = %for.cond2
br label %for.end11
for.body5: ; preds = %for.cond2
%i17 = mul nuw nsw i64 %indvars.iv2, 10
%i18 = or i64 %i17, 1
%arrayidx8 = getelementptr inbounds float, ptr %Bytes, i64 %i18
store float 0.000000e+00, ptr %arrayidx8, align 4, !tbaa !18
br label %for.inc9
for.inc9: ; preds = %for.body5
%indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
br label %for.cond2, !llvm.loop !19
for.end11: ; preds = %for.cond.cleanup4
br label %for.cond13
for.cond13: ; preds = %for.inc22, %for.end11
%indvars.iv7 = phi i64 [ %indvars.iv.next8, %for.inc22 ], [ 0, %for.end11 ]
%exitcond11 = icmp ne i64 %indvars.iv7, 20
br i1 %exitcond11, label %for.body16, label %for.cond.cleanup15
for.cond.cleanup15: ; preds = %for.cond13
br label %for.end24
for.body16: ; preds = %for.cond13
%i20 = mul nuw nsw i64 %indvars.iv7, 10
%i21 = add nuw nsw i64 %i20, 2
%arrayidx21 = getelementptr inbounds i64, ptr %Bytes, i64 %i21
store i64 0, ptr %arrayidx21, align 16, !tbaa !20
br label %for.inc22
for.inc22: ; preds = %for.body16
%indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
br label %for.cond13, !llvm.loop !22
for.end24: ; preds = %for.cond.cleanup15
%arrayidx25 = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 1023
store i8 0, ptr %arrayidx25, align 1, !tbaa !15
%arrayidx26 = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 500
call void @write_arg(ptr nonnull %arrayidx26, i32 0)
br label %for.cond28
for.cond28: ; preds = %for.inc36, %for.end24
%indvars.iv12 = phi i64 [ %indvars.iv.next13, %for.inc36 ], [ 0, %for.end24 ]
%exitcond14 = icmp ne i64 %indvars.iv12, 1024
br i1 %exitcond14, label %for.body31, label %for.cond.cleanup30
for.cond.cleanup30: ; preds = %for.cond28
br label %for.end38
for.body31: ; preds = %for.cond28
%arrayidx33 = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 %indvars.iv12
%i23 = load i8, ptr %arrayidx33, align 1, !tbaa !15
%arrayidx35 = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 %indvars.iv12
store i8 %i23, ptr %arrayidx35, align 1, !tbaa !15
br label %for.inc36
for.inc36: ; preds = %for.body31
%indvars.iv.next13 = add nuw nsw i64 %indvars.iv12, 1
br label %for.cond28, !llvm.loop !23
for.end38: ; preds = %for.cond.cleanup30
call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %Bytes)
ret void
}
; int local_alloca_simplifiable_3() {
; int A = 1;
; // split
; A = 2;
; return A;
; }
;
define i32 @local_alloca_simplifiable_3() {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@local_alloca_simplifiable_3
; CHECK-SAME: () #[[ATTR4:[0-9]+]] {
; CHECK-NEXT: br label [[SPLIT:%.*]]
; CHECK: split:
; CHECK-NEXT: ret i32 2
;
%A = alloca i32, align 4
store i32 1, ptr %A
br label %split
split:
store i32 2, ptr %A
%l = load i32, ptr %A, align 4
ret i32 %l
}
; int local_alloca_simplifiable_4() {
; int A;
; return A;
; }
;
define i32 @local_alloca_simplifiable_4() {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@local_alloca_simplifiable_4
; CHECK-SAME: () #[[ATTR4]] {
; CHECK-NEXT: ret i32 undef
;
%A = alloca i32, align 4
%l = load i32, ptr %A, align 4
ret i32 %l
}
; static int GI1 __attribute__((loader_uninitialized));
; int multi_obj_simplifiable_1(int cnd) {
; int L = GI1 = 5;
; int *p = cnd ? &GI1 : &L;
; return *p;
; }
define i32 @multi_obj_simplifiable_1(i32 %cnd) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@multi_obj_simplifiable_1
; TUNIT-SAME: (i32 [[CND:%.*]]) #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[L:%.*]] = alloca i32, align 4
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR17]]
; TUNIT-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0
; TUNIT-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]]
; TUNIT: cond.true:
; TUNIT-NEXT: br label [[COND_END:%.*]]
; TUNIT: cond.false:
; TUNIT-NEXT: br label [[COND_END]]
; TUNIT: cond.end:
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR17]]
; TUNIT-NEXT: ret i32 5
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@multi_obj_simplifiable_1
; CGSCC-SAME: (i32 [[CND:%.*]]) #[[ATTR5:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[L:%.*]] = alloca i32, align 4
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR20]]
; CGSCC-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0
; CGSCC-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]]
; CGSCC: cond.true:
; CGSCC-NEXT: br label [[COND_END:%.*]]
; CGSCC: cond.false:
; CGSCC-NEXT: br label [[COND_END]]
; CGSCC: cond.end:
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR20]]
; CGSCC-NEXT: ret i32 5
;
entry:
%L = alloca i32, align 4
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %L)
store i32 5, ptr @GI1, align 4, !tbaa !3
store i32 5, ptr %L, align 4, !tbaa !3
%tobool.not = icmp eq i32 %cnd, 0
br i1 %tobool.not, label %cond.false, label %cond.true
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi ptr [ @GI1, %cond.true ], [ %L, %cond.false ]
%i1 = load i32, ptr %cond, align 4, !tbaa !3
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %L)
ret i32 %i1
}
; static int GI2 __attribute__((loader_uninitialized));
; int multi_obj_simplifiable_2(int cnd) {
; int L;
; int *p = cnd ? &GI2 : &L;
; *p = 5;
; return *p;
; }
;
define i32 @multi_obj_simplifiable_2(i32 %cnd) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@multi_obj_simplifiable_2
; TUNIT-SAME: (i32 [[CND:%.*]]) #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[L:%.*]] = alloca i32, align 4
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR17]]
; TUNIT-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0
; TUNIT-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]]
; TUNIT: cond.true:
; TUNIT-NEXT: br label [[COND_END:%.*]]
; TUNIT: cond.false:
; TUNIT-NEXT: br label [[COND_END]]
; TUNIT: cond.end:
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR17]]
; TUNIT-NEXT: ret i32 5
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@multi_obj_simplifiable_2
; CGSCC-SAME: (i32 [[CND:%.*]]) #[[ATTR5]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[L:%.*]] = alloca i32, align 4
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR20]]
; CGSCC-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0
; CGSCC-NEXT: br i1 [[TOBOOL_NOT]], label [[COND_FALSE:%.*]], label [[COND_TRUE:%.*]]
; CGSCC: cond.true:
; CGSCC-NEXT: br label [[COND_END:%.*]]
; CGSCC: cond.false:
; CGSCC-NEXT: br label [[COND_END]]
; CGSCC: cond.end:
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[L]]) #[[ATTR20]]
; CGSCC-NEXT: ret i32 5
;
entry:
%L = alloca i32, align 4
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %L)
%tobool.not = icmp eq i32 %cnd, 0
br i1 %tobool.not, label %cond.false, label %cond.true
cond.true: ; preds = %entry
br label %cond.end
cond.false: ; preds = %entry
br label %cond.end
cond.end: ; preds = %cond.false, %cond.true
%cond = phi ptr [ @GI2, %cond.true ], [ %L, %cond.false ]
store i32 5, ptr %cond, align 4, !tbaa !3
%l = load i32, ptr %cond, align 4, !tbaa !3
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %L)
ret i32 %l
}
; static struct S Gs __attribute__((loader_uninitialized));
; struct S static_global_simplifiable_1(void) {
; Gs.f1 = 1.1;
; Gs.f2 = 2.2;
; Gs.f3 = 3.3;
; write_arg(&Gs.i1, 1);
; write_arg(&Gs.i2, 2);
; write_arg(&Gs.i3, 3);
; struct S r;
; r.f1 = Gs.f1;
; r.f2 = Gs.f2 * 2;
; r.f3 = Gs.f3 + Gs.f1;
; r.i1 = Gs.i1;
; r.i2 = Gs.i2 * 2;
; r.i3 = Gs.i3 + Gs.i1;
; return r;
; }
;
define void @static_global_simplifiable_1(ptr noalias sret(%struct.S) align 4 %agg.result) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@static_global_simplifiable_1
; TUNIT-SAME: (ptr noalias nofree writeonly sret([[STRUCT_S:%.*]]) align 4 captures(none) dereferenceable_or_null(24) [[AGG_RESULT:%.*]]) #[[ATTR5:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(24) @Gs1, i32 noundef 1) #[[ATTR18]]
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(20) getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 1), i32 noundef 2) #[[ATTR18]]
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(16) getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 2), i32 noundef 3) #[[ATTR18]]
; TUNIT-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 3
; TUNIT-NEXT: store float 0x3FF19999A0000000, ptr [[F1]], align 4, !tbaa [[TBAA7]]
; TUNIT-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 4
; TUNIT-NEXT: store float 0x40119999A0000000, ptr [[F2]], align 4, !tbaa [[TBAA10]]
; TUNIT-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 5
; TUNIT-NEXT: store float 0x40119999A0000000, ptr [[F3]], align 4, !tbaa [[TBAA11]]
; TUNIT-NEXT: store i32 1, ptr [[AGG_RESULT]], align 4, !tbaa [[TBAA12]]
; TUNIT-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 1
; TUNIT-NEXT: store i32 4, ptr [[I2]], align 4, !tbaa [[TBAA13]]
; TUNIT-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 2
; TUNIT-NEXT: store i32 4, ptr [[I3]], align 4, !tbaa [[TBAA14]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@static_global_simplifiable_1
; CGSCC-SAME: (ptr noalias nofree noundef nonnull writeonly sret([[STRUCT_S:%.*]]) align 4 captures(none) dereferenceable(24) [[AGG_RESULT:%.*]]) #[[ATTR3]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: store float 0x3FF19999A0000000, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 3), align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: store float 0x40019999A0000000, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 4), align 4, !tbaa [[TBAA10]]
; CGSCC-NEXT: store float 0x400A666660000000, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 5), align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(24) @Gs1, i32 noundef 1) #[[ATTR21]]
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(20) getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 1), i32 noundef 2) #[[ATTR21]]
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(16) getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 2), i32 noundef 3) #[[ATTR21]]
; CGSCC-NEXT: [[I:%.*]] = load float, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 3), align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 3
; CGSCC-NEXT: store float [[I]], ptr [[F1]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[I4:%.*]] = load float, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 4), align 4, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[MUL:%.*]] = fmul float [[I4]], 2.000000e+00
; CGSCC-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 4
; CGSCC-NEXT: store float [[MUL]], ptr [[F2]], align 4, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[I5:%.*]] = load float, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 5), align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: [[I6:%.*]] = load float, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 3), align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[ADD:%.*]] = fadd float [[I5]], [[I6]]
; CGSCC-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 5
; CGSCC-NEXT: store float [[ADD]], ptr [[F3]], align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: [[I7:%.*]] = load i32, ptr @Gs1, align 4, !tbaa [[TBAA12]]
; CGSCC-NEXT: store i32 [[I7]], ptr [[AGG_RESULT]], align 4, !tbaa [[TBAA12]]
; CGSCC-NEXT: [[I8:%.*]] = load i32, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 1), align 4, !tbaa [[TBAA13]]
; CGSCC-NEXT: [[MUL1:%.*]] = shl nsw i32 [[I8]], 1
; CGSCC-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 1
; CGSCC-NEXT: store i32 [[MUL1]], ptr [[I2]], align 4, !tbaa [[TBAA13]]
; CGSCC-NEXT: [[I9:%.*]] = load i32, ptr getelementptr inbounds ([[STRUCT_S]], ptr @Gs1, i64 0, i32 2), align 4, !tbaa [[TBAA14]]
; CGSCC-NEXT: [[I10:%.*]] = load i32, ptr @Gs1, align 4, !tbaa [[TBAA12]]
; CGSCC-NEXT: [[ADD2:%.*]] = add nsw i32 [[I9]], [[I10]]
; CGSCC-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 2
; CGSCC-NEXT: store i32 [[ADD2]], ptr [[I3]], align 4, !tbaa [[TBAA14]]
; CGSCC-NEXT: ret void
;
entry:
store float 0x3FF19999A0000000, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 3), align 4, !tbaa !7
store float 0x40019999A0000000, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 4), align 4, !tbaa !10
store float 0x400A666660000000, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 5), align 4, !tbaa !11
call void @write_arg(ptr @Gs1, i32 1)
call void @write_arg(ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 1), i32 2)
call void @write_arg(ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 2), i32 3)
%i = load float, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 3), align 4, !tbaa !7
%f1 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 3
store float %i, ptr %f1, align 4, !tbaa !7
%i4 = load float, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 4), align 4, !tbaa !10
%mul = fmul float %i4, 2.000000e+00
%f2 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 4
store float %mul, ptr %f2, align 4, !tbaa !10
%i5 = load float, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 5), align 4, !tbaa !11
%i6 = load float, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 3), align 4, !tbaa !7
%add = fadd float %i5, %i6
%f3 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 5
store float %add, ptr %f3, align 4, !tbaa !11
%i7 = load i32, ptr @Gs1, align 4, !tbaa !12
store i32 %i7, ptr %agg.result, align 4, !tbaa !12
%i8 = load i32, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 1), align 4, !tbaa !13
%mul1 = shl nsw i32 %i8, 1
%i2 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 1
store i32 %mul1, ptr %i2, align 4, !tbaa !13
%i9 = load i32, ptr getelementptr inbounds (%struct.S, ptr @Gs1, i64 0, i32 2), align 4, !tbaa !14
%i10 = load i32, ptr @Gs1, align 4, !tbaa !12
%add2 = add nsw i32 %i9, %i10
%i3 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 2
store i32 %add2, ptr %i3, align 4, !tbaa !14
ret void
}
define i32 @test_range_merge1() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@test_range_merge1
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: ret i32 2
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@test_range_merge1
; CGSCC-SAME: () #[[ATTR6:[0-9]+]] {
; CGSCC-NEXT: ret i32 2
;
store <2 x i32> <i32 1, i32 1>, ptr @Vs1
store float 2.000000e+00, ptr getelementptr inbounds (%struct.S, ptr @Vs1, i64 0, i32 4)
%l0 = load i32, ptr @Vs1
%l1 = load i32, ptr getelementptr inbounds (%struct.S, ptr @Vs1, i64 0, i32 1)
%add = add i32 %l0, %l1
ret i32 %add
}
define i32 @test_range_merge2() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@test_range_merge2
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: store <2 x i32> <i32 3, i32 4>, ptr @Vs2, align 8
; TUNIT-NEXT: [[L0:%.*]] = load i32, ptr @Vs2, align 4
; TUNIT-NEXT: [[L1:%.*]] = load i32, ptr getelementptr inbounds ([[STRUCT_S:%.*]], ptr @Vs2, i64 0, i32 1), align 4
; TUNIT-NEXT: [[ADD:%.*]] = add i32 [[L0]], [[L1]]
; TUNIT-NEXT: ret i32 [[ADD]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@test_range_merge2
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: store <2 x i32> <i32 3, i32 4>, ptr @Vs2, align 8
; CGSCC-NEXT: [[L0:%.*]] = load i32, ptr @Vs2, align 4
; CGSCC-NEXT: [[L1:%.*]] = load i32, ptr getelementptr inbounds ([[STRUCT_S:%.*]], ptr @Vs2, i64 0, i32 1), align 4
; CGSCC-NEXT: [[ADD:%.*]] = add i32 [[L0]], [[L1]]
; CGSCC-NEXT: ret i32 [[ADD]]
;
store <2 x i32> <i32 3, i32 4>, ptr @Vs2
store float 2.000000e+00, ptr getelementptr inbounds (%struct.S, ptr @Vs2, i64 0, i32 4)
%l0 = load i32, ptr @Vs2
%l1 = load i32, ptr getelementptr inbounds (%struct.S, ptr @Vs2, i64 0, i32 1)
%add = add i32 %l0, %l1
ret i32 %add
}
; static char GBytes[1024];
; void static_global_simplifiable_2(void) {
; for (int i = 0; i < 100; ++i)
; GBytes[i * 10] = 0;
; for (int i = 0; i < 10; ++i)
; ((float *)GBytes)[i * 10 + 1] = 0;
; for (int i = 0; i < 20; ++i)
; ((long long int *)GBytes)[i * 10 + 2] = 0;
; GBytes[1023] = 0;
; write_arg((int *)&GBytes[500], 0);
; struct S R;
; for (int i = 0; i < 1024; ++i)
; globalBytes[i] = GBytes[i];
; }
;
define void @static_global_simplifiable_2() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@static_global_simplifiable_2
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: br label [[FOR_COND:%.*]]
; TUNIT: for.cond:
; TUNIT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; TUNIT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], 100
; TUNIT-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; TUNIT: for.cond.cleanup:
; TUNIT-NEXT: br label [[FOR_END:%.*]]
; TUNIT: for.body:
; TUNIT-NEXT: [[I:%.*]] = mul nuw nsw i64 [[INDVARS_IV]], 10
; TUNIT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [1024 x i8], ptr @GBytes, i64 0, i64 [[I]]
; TUNIT-NEXT: br label [[FOR_INC]]
; TUNIT: for.inc:
; TUNIT-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; TUNIT-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP21:![0-9]+]]
; TUNIT: for.end:
; TUNIT-NEXT: br label [[FOR_COND2:%.*]]
; TUNIT: for.cond2:
; TUNIT-NEXT: [[INDVARS_IV2:%.*]] = phi i64 [ [[INDVARS_IV_NEXT3:%.*]], [[FOR_INC9:%.*]] ], [ 0, [[FOR_END]] ]
; TUNIT-NEXT: [[EXITCOND6:%.*]] = icmp ne i64 [[INDVARS_IV2]], 10
; TUNIT-NEXT: br i1 [[EXITCOND6]], label [[FOR_BODY5:%.*]], label [[FOR_COND_CLEANUP4:%.*]]
; TUNIT: for.cond.cleanup4:
; TUNIT-NEXT: br label [[FOR_END11:%.*]]
; TUNIT: for.body5:
; TUNIT-NEXT: [[I15:%.*]] = mul nuw nsw i64 [[INDVARS_IV2]], 10
; TUNIT-NEXT: [[I16:%.*]] = or i64 [[I15]], 1
; TUNIT-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds float, ptr @GBytes, i64 [[I16]]
; TUNIT-NEXT: br label [[FOR_INC9]]
; TUNIT: for.inc9:
; TUNIT-NEXT: [[INDVARS_IV_NEXT3]] = add nuw nsw i64 [[INDVARS_IV2]], 1
; TUNIT-NEXT: br label [[FOR_COND2]], !llvm.loop [[LOOP22:![0-9]+]]
; TUNIT: for.end11:
; TUNIT-NEXT: br label [[FOR_COND13:%.*]]
; TUNIT: for.cond13:
; TUNIT-NEXT: [[INDVARS_IV7:%.*]] = phi i64 [ [[INDVARS_IV_NEXT8:%.*]], [[FOR_INC21:%.*]] ], [ 0, [[FOR_END11]] ]
; TUNIT-NEXT: [[EXITCOND11:%.*]] = icmp ne i64 [[INDVARS_IV7]], 20
; TUNIT-NEXT: br i1 [[EXITCOND11]], label [[FOR_BODY16:%.*]], label [[FOR_COND_CLEANUP15:%.*]]
; TUNIT: for.cond.cleanup15:
; TUNIT-NEXT: br label [[FOR_END23:%.*]]
; TUNIT: for.body16:
; TUNIT-NEXT: [[I17:%.*]] = mul nuw nsw i64 [[INDVARS_IV7]], 10
; TUNIT-NEXT: [[I18:%.*]] = add nuw nsw i64 [[I17]], 2
; TUNIT-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i64, ptr @GBytes, i64 [[I18]]
; TUNIT-NEXT: br label [[FOR_INC21]]
; TUNIT: for.inc21:
; TUNIT-NEXT: [[INDVARS_IV_NEXT8]] = add nuw nsw i64 [[INDVARS_IV7]], 1
; TUNIT-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP23:![0-9]+]]
; TUNIT: for.end23:
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(524) getelementptr inbounds ([1024 x i8], ptr @GBytes, i64 0, i64 500), i32 noundef 0) #[[ATTR18]]
; TUNIT-NEXT: br label [[FOR_COND25:%.*]]
; TUNIT: for.cond25:
; TUNIT-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC33:%.*]] ], [ 0, [[FOR_END23]] ]
; TUNIT-NEXT: [[EXITCOND14:%.*]] = icmp ne i64 [[INDVARS_IV12]], 1024
; TUNIT-NEXT: br i1 [[EXITCOND14]], label [[FOR_BODY28:%.*]], label [[FOR_COND_CLEANUP27:%.*]]
; TUNIT: for.cond.cleanup27:
; TUNIT-NEXT: br label [[FOR_END35:%.*]]
; TUNIT: for.body28:
; TUNIT-NEXT: [[ARRAYIDX32:%.*]] = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 [[INDVARS_IV12]]
; TUNIT-NEXT: store i8 0, ptr [[ARRAYIDX32]], align 1, !tbaa [[TBAA19]]
; TUNIT-NEXT: br label [[FOR_INC33]]
; TUNIT: for.inc33:
; TUNIT-NEXT: [[INDVARS_IV_NEXT13]] = add nuw nsw i64 [[INDVARS_IV12]], 1
; TUNIT-NEXT: br label [[FOR_COND25]], !llvm.loop [[LOOP24:![0-9]+]]
; TUNIT: for.end35:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@static_global_simplifiable_2
; CGSCC-SAME: () #[[ATTR3]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: br label [[FOR_COND:%.*]]
; CGSCC: for.cond:
; CGSCC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; CGSCC-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], 100
; CGSCC-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; CGSCC: for.cond.cleanup:
; CGSCC-NEXT: br label [[FOR_END:%.*]]
; CGSCC: for.body:
; CGSCC-NEXT: [[I:%.*]] = mul nuw nsw i64 [[INDVARS_IV]], 10
; CGSCC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [1024 x i8], ptr @GBytes, i64 0, i64 [[I]]
; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX]], align 2, !tbaa [[TBAA15]]
; CGSCC-NEXT: br label [[FOR_INC]]
; CGSCC: for.inc:
; CGSCC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CGSCC-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP24:![0-9]+]]
; CGSCC: for.end:
; CGSCC-NEXT: br label [[FOR_COND2:%.*]]
; CGSCC: for.cond2:
; CGSCC-NEXT: [[INDVARS_IV2:%.*]] = phi i64 [ [[INDVARS_IV_NEXT3:%.*]], [[FOR_INC9:%.*]] ], [ 0, [[FOR_END]] ]
; CGSCC-NEXT: [[EXITCOND6:%.*]] = icmp ne i64 [[INDVARS_IV2]], 10
; CGSCC-NEXT: br i1 [[EXITCOND6]], label [[FOR_BODY5:%.*]], label [[FOR_COND_CLEANUP4:%.*]]
; CGSCC: for.cond.cleanup4:
; CGSCC-NEXT: br label [[FOR_END11:%.*]]
; CGSCC: for.body5:
; CGSCC-NEXT: [[I15:%.*]] = mul nuw nsw i64 [[INDVARS_IV2]], 10
; CGSCC-NEXT: [[I16:%.*]] = or i64 [[I15]], 1
; CGSCC-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds float, ptr @GBytes, i64 [[I16]]
; CGSCC-NEXT: store float 0.000000e+00, ptr [[ARRAYIDX8]], align 4, !tbaa [[TBAA18]]
; CGSCC-NEXT: br label [[FOR_INC9]]
; CGSCC: for.inc9:
; CGSCC-NEXT: [[INDVARS_IV_NEXT3]] = add nuw nsw i64 [[INDVARS_IV2]], 1
; CGSCC-NEXT: br label [[FOR_COND2]], !llvm.loop [[LOOP25:![0-9]+]]
; CGSCC: for.end11:
; CGSCC-NEXT: br label [[FOR_COND13:%.*]]
; CGSCC: for.cond13:
; CGSCC-NEXT: [[INDVARS_IV7:%.*]] = phi i64 [ [[INDVARS_IV_NEXT8:%.*]], [[FOR_INC21:%.*]] ], [ 0, [[FOR_END11]] ]
; CGSCC-NEXT: [[EXITCOND11:%.*]] = icmp ne i64 [[INDVARS_IV7]], 20
; CGSCC-NEXT: br i1 [[EXITCOND11]], label [[FOR_BODY16:%.*]], label [[FOR_COND_CLEANUP15:%.*]]
; CGSCC: for.cond.cleanup15:
; CGSCC-NEXT: br label [[FOR_END23:%.*]]
; CGSCC: for.body16:
; CGSCC-NEXT: [[I17:%.*]] = mul nuw nsw i64 [[INDVARS_IV7]], 10
; CGSCC-NEXT: [[I18:%.*]] = add nuw nsw i64 [[I17]], 2
; CGSCC-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i64, ptr @GBytes, i64 [[I18]]
; CGSCC-NEXT: store i64 0, ptr [[ARRAYIDX20]], align 16, !tbaa [[TBAA20]]
; CGSCC-NEXT: br label [[FOR_INC21]]
; CGSCC: for.inc21:
; CGSCC-NEXT: [[INDVARS_IV_NEXT8]] = add nuw nsw i64 [[INDVARS_IV7]], 1
; CGSCC-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP26:![0-9]+]]
; CGSCC: for.end23:
; CGSCC-NEXT: store i8 0, ptr getelementptr inbounds ([1024 x i8], ptr @GBytes, i64 0, i64 1023), align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(524) getelementptr inbounds ([1024 x i8], ptr @GBytes, i64 0, i64 500), i32 noundef 0) #[[ATTR21]]
; CGSCC-NEXT: br label [[FOR_COND25:%.*]]
; CGSCC: for.cond25:
; CGSCC-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC33:%.*]] ], [ 0, [[FOR_END23]] ]
; CGSCC-NEXT: [[EXITCOND14:%.*]] = icmp ne i64 [[INDVARS_IV12]], 1024
; CGSCC-NEXT: br i1 [[EXITCOND14]], label [[FOR_BODY28:%.*]], label [[FOR_COND_CLEANUP27:%.*]]
; CGSCC: for.cond.cleanup27:
; CGSCC-NEXT: br label [[FOR_END35:%.*]]
; CGSCC: for.body28:
; CGSCC-NEXT: [[ARRAYIDX30:%.*]] = getelementptr inbounds [1024 x i8], ptr @GBytes, i64 0, i64 [[INDVARS_IV12]]
; CGSCC-NEXT: [[I19:%.*]] = load i8, ptr [[ARRAYIDX30]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: [[ARRAYIDX32:%.*]] = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 [[INDVARS_IV12]]
; CGSCC-NEXT: store i8 [[I19]], ptr [[ARRAYIDX32]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: br label [[FOR_INC33]]
; CGSCC: for.inc33:
; CGSCC-NEXT: [[INDVARS_IV_NEXT13]] = add nuw nsw i64 [[INDVARS_IV12]], 1
; CGSCC-NEXT: br label [[FOR_COND25]], !llvm.loop [[LOOP27:![0-9]+]]
; CGSCC: for.end35:
; CGSCC-NEXT: ret void
;
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 100
br i1 %exitcond, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
br label %for.end
for.body: ; preds = %for.cond
%i = mul nuw nsw i64 %indvars.iv, 10
%arrayidx = getelementptr inbounds [1024 x i8], ptr @GBytes, i64 0, i64 %i
store i8 0, ptr %arrayidx, align 2, !tbaa !15
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond, !llvm.loop !24
for.end: ; preds = %for.cond.cleanup
br label %for.cond2
for.cond2: ; preds = %for.inc9, %for.end
%indvars.iv2 = phi i64 [ %indvars.iv.next3, %for.inc9 ], [ 0, %for.end ]
%exitcond6 = icmp ne i64 %indvars.iv2, 10
br i1 %exitcond6, label %for.body5, label %for.cond.cleanup4
for.cond.cleanup4: ; preds = %for.cond2
br label %for.end11
for.body5: ; preds = %for.cond2
%i15 = mul nuw nsw i64 %indvars.iv2, 10
%i16 = or i64 %i15, 1
%arrayidx8 = getelementptr inbounds float, ptr @GBytes, i64 %i16
store float 0.000000e+00, ptr %arrayidx8, align 4, !tbaa !18
br label %for.inc9
for.inc9: ; preds = %for.body5
%indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
br label %for.cond2, !llvm.loop !25
for.end11: ; preds = %for.cond.cleanup4
br label %for.cond13
for.cond13: ; preds = %for.inc21, %for.end11
%indvars.iv7 = phi i64 [ %indvars.iv.next8, %for.inc21 ], [ 0, %for.end11 ]
%exitcond11 = icmp ne i64 %indvars.iv7, 20
br i1 %exitcond11, label %for.body16, label %for.cond.cleanup15
for.cond.cleanup15: ; preds = %for.cond13
br label %for.end23
for.body16: ; preds = %for.cond13
%i17 = mul nuw nsw i64 %indvars.iv7, 10
%i18 = add nuw nsw i64 %i17, 2
%arrayidx20 = getelementptr inbounds i64, ptr @GBytes, i64 %i18
store i64 0, ptr %arrayidx20, align 16, !tbaa !20
br label %for.inc21
for.inc21: ; preds = %for.body16
%indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
br label %for.cond13, !llvm.loop !26
for.end23: ; preds = %for.cond.cleanup15
store i8 0, ptr getelementptr inbounds ([1024 x i8], ptr @GBytes, i64 0, i64 1023), align 1, !tbaa !15
call void @write_arg(ptr getelementptr inbounds ([1024 x i8], ptr @GBytes, i64 0, i64 500), i32 0)
br label %for.cond25
for.cond25: ; preds = %for.inc33, %for.end23
%indvars.iv12 = phi i64 [ %indvars.iv.next13, %for.inc33 ], [ 0, %for.end23 ]
%exitcond14 = icmp ne i64 %indvars.iv12, 1024
br i1 %exitcond14, label %for.body28, label %for.cond.cleanup27
for.cond.cleanup27: ; preds = %for.cond25
br label %for.end35
for.body28: ; preds = %for.cond25
%arrayidx30 = getelementptr inbounds [1024 x i8], ptr @GBytes, i64 0, i64 %indvars.iv12
%i19 = load i8, ptr %arrayidx30, align 1, !tbaa !15
%arrayidx32 = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 %indvars.iv12
store i8 %i19, ptr %arrayidx32, align 1, !tbaa !15
br label %for.inc33
for.inc33: ; preds = %for.body28
%indvars.iv.next13 = add nuw nsw i64 %indvars.iv12, 1
br label %for.cond25, !llvm.loop !27
for.end35: ; preds = %for.cond.cleanup27
ret void
}
; static int Flag3;
; int static_global_simplifiable_3() {
; Flag3 = 1;
; return Flag3;
; }
define i32 @static_global_simplifiable_3() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@static_global_simplifiable_3
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: store i32 1, ptr @Flag3, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: ret i32 1
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@static_global_simplifiable_3
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: store i32 1, ptr @Flag3, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: ret i32 1
;
store i32 1, ptr @Flag3, align 4, !tbaa !3
%i = load i32, ptr @Flag3, align 4, !tbaa !3
ret i32 %i
}
; struct S noalias_arg_simplifiable_1(struct S s) {
; s.f1 = 1.1;
; s.f2 = 2.2;
; s.f3 = 3.3;
; write_arg(&s.i1, 1);
; write_arg(&s.i2, 2);
; write_arg(&s.i3, 3);
; struct S r;
; r.f1 = s.f1;
; r.f2 = s.f2 * 2;
; r.f3 = s.f3 + s.f1;
; r.i1 = s.i1;
; r.i2 = s.i2 * 2;
; r.i3 = s.i3 + s.i1;
; return r;
; }
;
define void @noalias_arg_simplifiable_1(ptr noalias sret(%struct.S) align 4 %agg.result, ptr byval(%struct.S) align 8 %s) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; TUNIT-LABEL: define {{[^@]+}}@noalias_arg_simplifiable_1
; TUNIT-SAME: (ptr noalias nofree writeonly sret([[STRUCT_S:%.*]]) align 4 captures(none) dereferenceable_or_null(24) [[AGG_RESULT:%.*]], ptr noalias nofree nonnull byval([[STRUCT_S]]) align 8 captures(none) dereferenceable(24) [[S:%.*]]) #[[ATTR1]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; TUNIT-NEXT: store float 0x3FF19999A0000000, ptr [[F1]], align 4, !tbaa [[TBAA7]]
; TUNIT-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; TUNIT-NEXT: store float 0x40019999A0000000, ptr [[F2]], align 8, !tbaa [[TBAA10]]
; TUNIT-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; TUNIT-NEXT: store float 0x400A666660000000, ptr [[F3]], align 4, !tbaa [[TBAA11]]
; TUNIT-NEXT: call void @write_arg(ptr noalias nofree noundef nonnull writeonly align 8 captures(none) dereferenceable(24) [[S]], i32 noundef 1) #[[ATTR18]]
; TUNIT-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR18]]
; TUNIT-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 8 captures(none) dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR18]]
; TUNIT-NEXT: [[F11:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; TUNIT-NEXT: [[I:%.*]] = load float, ptr [[F11]], align 4, !tbaa [[TBAA7]]
; TUNIT-NEXT: [[F12:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 3
; TUNIT-NEXT: store float [[I]], ptr [[F12]], align 4, !tbaa [[TBAA7]]
; TUNIT-NEXT: [[F23:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; TUNIT-NEXT: [[I4:%.*]] = load float, ptr [[F23]], align 8, !tbaa [[TBAA10]]
; TUNIT-NEXT: [[MUL:%.*]] = fmul float [[I4]], 2.000000e+00
; TUNIT-NEXT: [[F24:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 4
; TUNIT-NEXT: store float [[MUL]], ptr [[F24]], align 4, !tbaa [[TBAA10]]
; TUNIT-NEXT: [[F35:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; TUNIT-NEXT: [[I5:%.*]] = load float, ptr [[F35]], align 4, !tbaa [[TBAA11]]
; TUNIT-NEXT: [[F16:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; TUNIT-NEXT: [[I6:%.*]] = load float, ptr [[F16]], align 4, !tbaa [[TBAA7]]
; TUNIT-NEXT: [[ADD:%.*]] = fadd float [[I5]], [[I6]]
; TUNIT-NEXT: [[F37:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 5
; TUNIT-NEXT: store float [[ADD]], ptr [[F37]], align 4, !tbaa [[TBAA11]]
; TUNIT-NEXT: [[I7:%.*]] = load i32, ptr [[S]], align 8, !tbaa [[TBAA12]]
; TUNIT-NEXT: store i32 [[I7]], ptr [[AGG_RESULT]], align 4, !tbaa [[TBAA12]]
; TUNIT-NEXT: [[I210:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; TUNIT-NEXT: [[I8:%.*]] = load i32, ptr [[I210]], align 4, !tbaa [[TBAA13]]
; TUNIT-NEXT: [[MUL11:%.*]] = shl nsw i32 [[I8]], 1
; TUNIT-NEXT: [[I212:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 1
; TUNIT-NEXT: store i32 [[MUL11]], ptr [[I212]], align 4, !tbaa [[TBAA13]]
; TUNIT-NEXT: [[I313:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; TUNIT-NEXT: [[I9:%.*]] = load i32, ptr [[I313]], align 8, !tbaa [[TBAA14]]
; TUNIT-NEXT: [[I10:%.*]] = load i32, ptr [[S]], align 8, !tbaa [[TBAA12]]
; TUNIT-NEXT: [[ADD15:%.*]] = add nsw i32 [[I9]], [[I10]]
; TUNIT-NEXT: [[I316:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 2
; TUNIT-NEXT: store i32 [[ADD15]], ptr [[I316]], align 4, !tbaa [[TBAA14]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@noalias_arg_simplifiable_1
; CGSCC-SAME: (ptr noalias nofree noundef nonnull writeonly sret([[STRUCT_S:%.*]]) align 4 captures(none) dereferenceable(24) [[AGG_RESULT:%.*]], ptr noalias nofree noundef nonnull byval([[STRUCT_S]]) align 8 captures(none) dereferenceable(24) [[S:%.*]]) #[[ATTR1]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[F1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; CGSCC-NEXT: store float 0x3FF19999A0000000, ptr [[F1]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[F2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; CGSCC-NEXT: store float 0x40019999A0000000, ptr [[F2]], align 8, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[F3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; CGSCC-NEXT: store float 0x400A666660000000, ptr [[F3]], align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: call void @write_arg(ptr noalias nofree noundef nonnull writeonly align 8 captures(none) dereferenceable(24) [[S]], i32 noundef 1) #[[ATTR21]]
; CGSCC-NEXT: [[I2:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(20) [[I2]], i32 noundef 2) #[[ATTR21]]
; CGSCC-NEXT: [[I3:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 8 captures(none) dereferenceable(16) [[I3]], i32 noundef 3) #[[ATTR21]]
; CGSCC-NEXT: [[F11:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; CGSCC-NEXT: [[I:%.*]] = load float, ptr [[F11]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[F12:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 3
; CGSCC-NEXT: store float [[I]], ptr [[F12]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[F23:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 4
; CGSCC-NEXT: [[I4:%.*]] = load float, ptr [[F23]], align 8, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[MUL:%.*]] = fmul float [[I4]], 2.000000e+00
; CGSCC-NEXT: [[F24:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 4
; CGSCC-NEXT: store float [[MUL]], ptr [[F24]], align 4, !tbaa [[TBAA10]]
; CGSCC-NEXT: [[F35:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 5
; CGSCC-NEXT: [[I5:%.*]] = load float, ptr [[F35]], align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: [[F16:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 3
; CGSCC-NEXT: [[I6:%.*]] = load float, ptr [[F16]], align 4, !tbaa [[TBAA7]]
; CGSCC-NEXT: [[ADD:%.*]] = fadd float [[I5]], [[I6]]
; CGSCC-NEXT: [[F37:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 5
; CGSCC-NEXT: store float [[ADD]], ptr [[F37]], align 4, !tbaa [[TBAA11]]
; CGSCC-NEXT: [[I7:%.*]] = load i32, ptr [[S]], align 8, !tbaa [[TBAA12]]
; CGSCC-NEXT: store i32 [[I7]], ptr [[AGG_RESULT]], align 4, !tbaa [[TBAA12]]
; CGSCC-NEXT: [[I210:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 1
; CGSCC-NEXT: [[I8:%.*]] = load i32, ptr [[I210]], align 4, !tbaa [[TBAA13]]
; CGSCC-NEXT: [[MUL11:%.*]] = shl nsw i32 [[I8]], 1
; CGSCC-NEXT: [[I212:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 1
; CGSCC-NEXT: store i32 [[MUL11]], ptr [[I212]], align 4, !tbaa [[TBAA13]]
; CGSCC-NEXT: [[I313:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; CGSCC-NEXT: [[I9:%.*]] = load i32, ptr [[I313]], align 8, !tbaa [[TBAA14]]
; CGSCC-NEXT: [[I10:%.*]] = load i32, ptr [[S]], align 8, !tbaa [[TBAA12]]
; CGSCC-NEXT: [[ADD15:%.*]] = add nsw i32 [[I9]], [[I10]]
; CGSCC-NEXT: [[I316:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[AGG_RESULT]], i64 0, i32 2
; CGSCC-NEXT: store i32 [[ADD15]], ptr [[I316]], align 4, !tbaa [[TBAA14]]
; CGSCC-NEXT: ret void
;
entry:
%f1 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 3
store float 0x3FF19999A0000000, ptr %f1, align 4, !tbaa !7
%f2 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 4
store float 0x40019999A0000000, ptr %f2, align 8, !tbaa !10
%f3 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 5
store float 0x400A666660000000, ptr %f3, align 4, !tbaa !11
call void @write_arg(ptr nonnull %s, i32 1)
%i2 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 1
call void @write_arg(ptr nonnull %i2, i32 2)
%i3 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 2
call void @write_arg(ptr nonnull %i3, i32 3)
%f11 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 3
%i = load float, ptr %f11, align 4, !tbaa !7
%f12 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 3
store float %i, ptr %f12, align 4, !tbaa !7
%f23 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 4
%i4 = load float, ptr %f23, align 8, !tbaa !10
%mul = fmul float %i4, 2.000000e+00
%f24 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 4
store float %mul, ptr %f24, align 4, !tbaa !10
%f35 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 5
%i5 = load float, ptr %f35, align 4, !tbaa !11
%f16 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 3
%i6 = load float, ptr %f16, align 4, !tbaa !7
%add = fadd float %i5, %i6
%f37 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 5
store float %add, ptr %f37, align 4, !tbaa !11
%i7 = load i32, ptr %s, align 8, !tbaa !12
store i32 %i7, ptr %agg.result, align 4, !tbaa !12
%i210 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 1
%i8 = load i32, ptr %i210, align 4, !tbaa !13
%mul11 = shl nsw i32 %i8, 1
%i212 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 1
store i32 %mul11, ptr %i212, align 4, !tbaa !13
%i313 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 2
%i9 = load i32, ptr %i313, align 8, !tbaa !14
%i10 = load i32, ptr %s, align 8, !tbaa !12
%add15 = add nsw i32 %i9, %i10
%i316 = getelementptr inbounds %struct.S, ptr %agg.result, i64 0, i32 2
store i32 %add15, ptr %i316, align 4, !tbaa !14
ret void
}
; void noalias_arg_simplifiable_2(char Bytes[1024]) {
; for (int i = 0; i < 100; ++i)
; Bytes[i * 10] = 0;
; for (int i = 0; i < 10; ++i)
; ((float *)Bytes)[i * 10 + 1] = 0;
; for (int i = 0; i < 20; ++i)
; ((long long int *)Bytes)[i * 10 + 2] = 0;
; Bytes[1023] = 0;
; write_arg((int *)&Bytes[500], 0);
; struct S R;
; for (int i = 0; i < 1024; ++i)
; globalBytes[i] = Bytes[i];
; }
;
define void @noalias_arg_simplifiable_2(ptr %Bytes) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@noalias_arg_simplifiable_2
; TUNIT-SAME: (ptr nofree captures(none) [[BYTES:%.*]]) #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: br label [[FOR_COND:%.*]]
; TUNIT: for.cond:
; TUNIT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; TUNIT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], 100
; TUNIT-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; TUNIT: for.cond.cleanup:
; TUNIT-NEXT: br label [[FOR_END:%.*]]
; TUNIT: for.body:
; TUNIT-NEXT: [[I:%.*]] = mul nuw nsw i64 [[INDVARS_IV]], 10
; TUNIT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 [[I]]
; TUNIT-NEXT: store i8 0, ptr [[ARRAYIDX]], align 1, !tbaa [[TBAA19]]
; TUNIT-NEXT: br label [[FOR_INC]]
; TUNIT: for.inc:
; TUNIT-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; TUNIT-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP25:![0-9]+]]
; TUNIT: for.end:
; TUNIT-NEXT: br label [[FOR_COND2:%.*]]
; TUNIT: for.cond2:
; TUNIT-NEXT: [[INDVARS_IV2:%.*]] = phi i64 [ [[INDVARS_IV_NEXT3:%.*]], [[FOR_INC9:%.*]] ], [ 0, [[FOR_END]] ]
; TUNIT-NEXT: [[EXITCOND6:%.*]] = icmp ne i64 [[INDVARS_IV2]], 10
; TUNIT-NEXT: br i1 [[EXITCOND6]], label [[FOR_BODY5:%.*]], label [[FOR_COND_CLEANUP4:%.*]]
; TUNIT: for.cond.cleanup4:
; TUNIT-NEXT: br label [[FOR_END11:%.*]]
; TUNIT: for.body5:
; TUNIT-NEXT: [[I16:%.*]] = mul nuw nsw i64 [[INDVARS_IV2]], 10
; TUNIT-NEXT: [[I17:%.*]] = or i64 [[I16]], 1
; TUNIT-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds float, ptr [[BYTES]], i64 [[I17]]
; TUNIT-NEXT: store float 0.000000e+00, ptr [[ARRAYIDX8]], align 4, !tbaa [[TBAA26:![0-9]+]]
; TUNIT-NEXT: br label [[FOR_INC9]]
; TUNIT: for.inc9:
; TUNIT-NEXT: [[INDVARS_IV_NEXT3]] = add nuw nsw i64 [[INDVARS_IV2]], 1
; TUNIT-NEXT: br label [[FOR_COND2]], !llvm.loop [[LOOP27:![0-9]+]]
; TUNIT: for.end11:
; TUNIT-NEXT: br label [[FOR_COND13:%.*]]
; TUNIT: for.cond13:
; TUNIT-NEXT: [[INDVARS_IV7:%.*]] = phi i64 [ [[INDVARS_IV_NEXT8:%.*]], [[FOR_INC21:%.*]] ], [ 0, [[FOR_END11]] ]
; TUNIT-NEXT: [[EXITCOND11:%.*]] = icmp ne i64 [[INDVARS_IV7]], 20
; TUNIT-NEXT: br i1 [[EXITCOND11]], label [[FOR_BODY16:%.*]], label [[FOR_COND_CLEANUP15:%.*]]
; TUNIT: for.cond.cleanup15:
; TUNIT-NEXT: br label [[FOR_END23:%.*]]
; TUNIT: for.body16:
; TUNIT-NEXT: [[I19:%.*]] = mul nuw nsw i64 [[INDVARS_IV7]], 10
; TUNIT-NEXT: [[I20:%.*]] = add nuw nsw i64 [[I19]], 2
; TUNIT-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i64, ptr [[BYTES]], i64 [[I20]]
; TUNIT-NEXT: store i64 0, ptr [[ARRAYIDX20]], align 8, !tbaa [[TBAA28:![0-9]+]]
; TUNIT-NEXT: br label [[FOR_INC21]]
; TUNIT: for.inc21:
; TUNIT-NEXT: [[INDVARS_IV_NEXT8]] = add nuw nsw i64 [[INDVARS_IV7]], 1
; TUNIT-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP30:![0-9]+]]
; TUNIT: for.end23:
; TUNIT-NEXT: [[ARRAYIDX24:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 1023
; TUNIT-NEXT: store i8 0, ptr [[ARRAYIDX24]], align 1, !tbaa [[TBAA19]]
; TUNIT-NEXT: [[ARRAYIDX25:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 500
; TUNIT-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) [[ARRAYIDX25]], i32 noundef 0) #[[ATTR18]]
; TUNIT-NEXT: br label [[FOR_COND27:%.*]]
; TUNIT: for.cond27:
; TUNIT-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC35:%.*]] ], [ 0, [[FOR_END23]] ]
; TUNIT-NEXT: [[EXITCOND14:%.*]] = icmp ne i64 [[INDVARS_IV12]], 1024
; TUNIT-NEXT: br i1 [[EXITCOND14]], label [[FOR_BODY30:%.*]], label [[FOR_COND_CLEANUP29:%.*]]
; TUNIT: for.cond.cleanup29:
; TUNIT-NEXT: br label [[FOR_END37:%.*]]
; TUNIT: for.body30:
; TUNIT-NEXT: [[ARRAYIDX32:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 [[INDVARS_IV12]]
; TUNIT-NEXT: [[I22:%.*]] = load i8, ptr [[ARRAYIDX32]], align 1, !tbaa [[TBAA19]]
; TUNIT-NEXT: [[ARRAYIDX34:%.*]] = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 [[INDVARS_IV12]]
; TUNIT-NEXT: store i8 [[I22]], ptr [[ARRAYIDX34]], align 1, !tbaa [[TBAA19]]
; TUNIT-NEXT: br label [[FOR_INC35]]
; TUNIT: for.inc35:
; TUNIT-NEXT: [[INDVARS_IV_NEXT13]] = add nuw nsw i64 [[INDVARS_IV12]], 1
; TUNIT-NEXT: br label [[FOR_COND27]], !llvm.loop [[LOOP31:![0-9]+]]
; TUNIT: for.end37:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@noalias_arg_simplifiable_2
; CGSCC-SAME: (ptr nofree captures(none) [[BYTES:%.*]]) #[[ATTR3]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: br label [[FOR_COND:%.*]]
; CGSCC: for.cond:
; CGSCC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; CGSCC-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], 100
; CGSCC-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]]
; CGSCC: for.cond.cleanup:
; CGSCC-NEXT: br label [[FOR_END:%.*]]
; CGSCC: for.body:
; CGSCC-NEXT: [[I:%.*]] = mul nuw nsw i64 [[INDVARS_IV]], 10
; CGSCC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 [[I]]
; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: br label [[FOR_INC]]
; CGSCC: for.inc:
; CGSCC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CGSCC-NEXT: br label [[FOR_COND]], !llvm.loop [[LOOP28:![0-9]+]]
; CGSCC: for.end:
; CGSCC-NEXT: br label [[FOR_COND2:%.*]]
; CGSCC: for.cond2:
; CGSCC-NEXT: [[INDVARS_IV2:%.*]] = phi i64 [ [[INDVARS_IV_NEXT3:%.*]], [[FOR_INC9:%.*]] ], [ 0, [[FOR_END]] ]
; CGSCC-NEXT: [[EXITCOND6:%.*]] = icmp ne i64 [[INDVARS_IV2]], 10
; CGSCC-NEXT: br i1 [[EXITCOND6]], label [[FOR_BODY5:%.*]], label [[FOR_COND_CLEANUP4:%.*]]
; CGSCC: for.cond.cleanup4:
; CGSCC-NEXT: br label [[FOR_END11:%.*]]
; CGSCC: for.body5:
; CGSCC-NEXT: [[I16:%.*]] = mul nuw nsw i64 [[INDVARS_IV2]], 10
; CGSCC-NEXT: [[I17:%.*]] = or i64 [[I16]], 1
; CGSCC-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds float, ptr [[BYTES]], i64 [[I17]]
; CGSCC-NEXT: store float 0.000000e+00, ptr [[ARRAYIDX8]], align 4, !tbaa [[TBAA18]]
; CGSCC-NEXT: br label [[FOR_INC9]]
; CGSCC: for.inc9:
; CGSCC-NEXT: [[INDVARS_IV_NEXT3]] = add nuw nsw i64 [[INDVARS_IV2]], 1
; CGSCC-NEXT: br label [[FOR_COND2]], !llvm.loop [[LOOP29:![0-9]+]]
; CGSCC: for.end11:
; CGSCC-NEXT: br label [[FOR_COND13:%.*]]
; CGSCC: for.cond13:
; CGSCC-NEXT: [[INDVARS_IV7:%.*]] = phi i64 [ [[INDVARS_IV_NEXT8:%.*]], [[FOR_INC21:%.*]] ], [ 0, [[FOR_END11]] ]
; CGSCC-NEXT: [[EXITCOND11:%.*]] = icmp ne i64 [[INDVARS_IV7]], 20
; CGSCC-NEXT: br i1 [[EXITCOND11]], label [[FOR_BODY16:%.*]], label [[FOR_COND_CLEANUP15:%.*]]
; CGSCC: for.cond.cleanup15:
; CGSCC-NEXT: br label [[FOR_END23:%.*]]
; CGSCC: for.body16:
; CGSCC-NEXT: [[I19:%.*]] = mul nuw nsw i64 [[INDVARS_IV7]], 10
; CGSCC-NEXT: [[I20:%.*]] = add nuw nsw i64 [[I19]], 2
; CGSCC-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i64, ptr [[BYTES]], i64 [[I20]]
; CGSCC-NEXT: store i64 0, ptr [[ARRAYIDX20]], align 8, !tbaa [[TBAA20]]
; CGSCC-NEXT: br label [[FOR_INC21]]
; CGSCC: for.inc21:
; CGSCC-NEXT: [[INDVARS_IV_NEXT8]] = add nuw nsw i64 [[INDVARS_IV7]], 1
; CGSCC-NEXT: br label [[FOR_COND13]], !llvm.loop [[LOOP30:![0-9]+]]
; CGSCC: for.end23:
; CGSCC-NEXT: [[ARRAYIDX24:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 1023
; CGSCC-NEXT: store i8 0, ptr [[ARRAYIDX24]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: [[ARRAYIDX25:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 500
; CGSCC-NEXT: call void @write_arg(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[ARRAYIDX25]], i32 noundef 0) #[[ATTR21]]
; CGSCC-NEXT: br label [[FOR_COND27:%.*]]
; CGSCC: for.cond27:
; CGSCC-NEXT: [[INDVARS_IV12:%.*]] = phi i64 [ [[INDVARS_IV_NEXT13:%.*]], [[FOR_INC35:%.*]] ], [ 0, [[FOR_END23]] ]
; CGSCC-NEXT: [[EXITCOND14:%.*]] = icmp ne i64 [[INDVARS_IV12]], 1024
; CGSCC-NEXT: br i1 [[EXITCOND14]], label [[FOR_BODY30:%.*]], label [[FOR_COND_CLEANUP29:%.*]]
; CGSCC: for.cond.cleanup29:
; CGSCC-NEXT: br label [[FOR_END37:%.*]]
; CGSCC: for.body30:
; CGSCC-NEXT: [[ARRAYIDX32:%.*]] = getelementptr inbounds i8, ptr [[BYTES]], i64 [[INDVARS_IV12]]
; CGSCC-NEXT: [[I22:%.*]] = load i8, ptr [[ARRAYIDX32]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: [[ARRAYIDX34:%.*]] = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 [[INDVARS_IV12]]
; CGSCC-NEXT: store i8 [[I22]], ptr [[ARRAYIDX34]], align 1, !tbaa [[TBAA15]]
; CGSCC-NEXT: br label [[FOR_INC35]]
; CGSCC: for.inc35:
; CGSCC-NEXT: [[INDVARS_IV_NEXT13]] = add nuw nsw i64 [[INDVARS_IV12]], 1
; CGSCC-NEXT: br label [[FOR_COND27]], !llvm.loop [[LOOP31:![0-9]+]]
; CGSCC: for.end37:
; CGSCC-NEXT: ret void
;
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 100
br i1 %exitcond, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
br label %for.end
for.body: ; preds = %for.cond
%i = mul nuw nsw i64 %indvars.iv, 10
%arrayidx = getelementptr inbounds i8, ptr %Bytes, i64 %i
store i8 0, ptr %arrayidx, align 1, !tbaa !15
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond, !llvm.loop !28
for.end: ; preds = %for.cond.cleanup
br label %for.cond2
for.cond2: ; preds = %for.inc9, %for.end
%indvars.iv2 = phi i64 [ %indvars.iv.next3, %for.inc9 ], [ 0, %for.end ]
%exitcond6 = icmp ne i64 %indvars.iv2, 10
br i1 %exitcond6, label %for.body5, label %for.cond.cleanup4
for.cond.cleanup4: ; preds = %for.cond2
br label %for.end11
for.body5: ; preds = %for.cond2
%i16 = mul nuw nsw i64 %indvars.iv2, 10
%i17 = or i64 %i16, 1
%arrayidx8 = getelementptr inbounds float, ptr %Bytes, i64 %i17
store float 0.000000e+00, ptr %arrayidx8, align 4, !tbaa !18
br label %for.inc9
for.inc9: ; preds = %for.body5
%indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
br label %for.cond2, !llvm.loop !29
for.end11: ; preds = %for.cond.cleanup4
br label %for.cond13
for.cond13: ; preds = %for.inc21, %for.end11
%indvars.iv7 = phi i64 [ %indvars.iv.next8, %for.inc21 ], [ 0, %for.end11 ]
%exitcond11 = icmp ne i64 %indvars.iv7, 20
br i1 %exitcond11, label %for.body16, label %for.cond.cleanup15
for.cond.cleanup15: ; preds = %for.cond13
br label %for.end23
for.body16: ; preds = %for.cond13
%i19 = mul nuw nsw i64 %indvars.iv7, 10
%i20 = add nuw nsw i64 %i19, 2
%arrayidx20 = getelementptr inbounds i64, ptr %Bytes, i64 %i20
store i64 0, ptr %arrayidx20, align 8, !tbaa !20
br label %for.inc21
for.inc21: ; preds = %for.body16
%indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
br label %for.cond13, !llvm.loop !30
for.end23: ; preds = %for.cond.cleanup15
%arrayidx24 = getelementptr inbounds i8, ptr %Bytes, i64 1023
store i8 0, ptr %arrayidx24, align 1, !tbaa !15
%arrayidx25 = getelementptr inbounds i8, ptr %Bytes, i64 500
call void @write_arg(ptr nonnull %arrayidx25, i32 0)
br label %for.cond27
for.cond27: ; preds = %for.inc35, %for.end23
%indvars.iv12 = phi i64 [ %indvars.iv.next13, %for.inc35 ], [ 0, %for.end23 ]
%exitcond14 = icmp ne i64 %indvars.iv12, 1024
br i1 %exitcond14, label %for.body30, label %for.cond.cleanup29
for.cond.cleanup29: ; preds = %for.cond27
br label %for.end37
for.body30: ; preds = %for.cond27
%arrayidx32 = getelementptr inbounds i8, ptr %Bytes, i64 %indvars.iv12
%i22 = load i8, ptr %arrayidx32, align 1, !tbaa !15
%arrayidx34 = getelementptr inbounds [1024 x i8], ptr @globalBytes, i64 0, i64 %indvars.iv12
store i8 %i22, ptr %arrayidx34, align 1, !tbaa !15
br label %for.inc35
for.inc35: ; preds = %for.body30
%indvars.iv.next13 = add nuw nsw i64 %indvars.iv12, 1
br label %for.cond27, !llvm.loop !31
for.end37: ; preds = %for.cond.cleanup29
ret void
}
; int local_alloca_not_simplifiable_1() {
; int X, Y, Z;
; X = Y = 1;
; escape(&X);
; write_random(&Y);
; Z = X ? 1 : 2;
; return X + Y + Z;
; }
;
define i32 @local_alloca_not_simplifiable_1() {
; TUNIT-LABEL: define {{[^@]+}}@local_alloca_not_simplifiable_1() {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[X:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[Y:%.*]] = alloca i32, align 4
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[X]]) #[[ATTR17]]
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[Y]]) #[[ATTR17]]
; TUNIT-NEXT: store i32 1, ptr [[Y]], align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: store i32 1, ptr [[X]], align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: call void @escape(ptr noundef nonnull align 4 dereferenceable(4) [[X]])
; TUNIT-NEXT: call void @write_random(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[Y]])
; TUNIT-NEXT: [[I3:%.*]] = load i32, ptr [[X]], align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[I3]], 0
; TUNIT-NEXT: [[COND:%.*]] = select i1 [[TOBOOL_NOT]], i32 2, i32 1
; TUNIT-NEXT: [[I4:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: [[ADD:%.*]] = add nsw i32 [[I3]], [[I4]]
; TUNIT-NEXT: [[ADD1:%.*]] = add nsw i32 [[ADD]], [[COND]]
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[Y]])
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[X]])
; TUNIT-NEXT: ret i32 [[ADD1]]
;
; CGSCC-LABEL: define {{[^@]+}}@local_alloca_not_simplifiable_1() {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[X:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[Y:%.*]] = alloca i32, align 4
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[X]]) #[[ATTR20]]
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[Y]]) #[[ATTR20]]
; CGSCC-NEXT: store i32 1, ptr [[Y]], align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: store i32 1, ptr [[X]], align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: call void @escape(ptr noundef nonnull align 4 dereferenceable(4) [[X]])
; CGSCC-NEXT: call void @write_random(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[Y]])
; CGSCC-NEXT: [[I3:%.*]] = load i32, ptr [[X]], align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[I3]], 0
; CGSCC-NEXT: [[COND:%.*]] = select i1 [[TOBOOL_NOT]], i32 2, i32 1
; CGSCC-NEXT: [[I4:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: [[ADD:%.*]] = add nsw i32 [[I3]], [[I4]]
; CGSCC-NEXT: [[ADD1:%.*]] = add nsw i32 [[ADD]], [[COND]]
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[Y]])
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 4, ptr nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[X]])
; CGSCC-NEXT: ret i32 [[ADD1]]
;
entry:
%X = alloca i32, align 4
%Y = alloca i32, align 4
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %X)
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %Y)
store i32 1, ptr %Y, align 4, !tbaa !3
store i32 1, ptr %X, align 4, !tbaa !3
call void @escape(ptr nonnull %X)
call void @write_random(ptr nonnull %Y)
%i3 = load i32, ptr %X, align 4, !tbaa !3
%tobool.not = icmp eq i32 %i3, 0
%cond = select i1 %tobool.not, i32 2, i32 1
%i4 = load i32, ptr %Y, align 4, !tbaa !3
%add = add nsw i32 %i3, %i4
%add1 = add nsw i32 %add, %cond
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %Y)
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %X)
ret i32 %add1
}
define i8 @local_alloca_not_simplifiable_2(i64 %index1, i64 %index2, i1 %cnd) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@local_alloca_not_simplifiable_2
; CHECK-SAME: (i64 [[INDEX1:%.*]], i64 [[INDEX2:%.*]], i1 noundef [[CND:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
; CHECK-NEXT: store i8 7, ptr [[BYTES]], align 16
; CHECK-NEXT: br i1 [[CND]], label [[LEFT:%.*]], label [[RIGHT:%.*]]
; CHECK: left:
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 [[INDEX1]]
; CHECK-NEXT: br label [[JOIN:%.*]]
; CHECK: right:
; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 [[INDEX2]]
; CHECK-NEXT: br label [[JOIN]]
; CHECK: join:
; CHECK-NEXT: [[GEP_JOIN:%.*]] = phi ptr [ [[GEP1]], [[LEFT]] ], [ [[GEP2]], [[RIGHT]] ]
; CHECK-NEXT: store i8 9, ptr [[GEP_JOIN]], align 4
; CHECK-NEXT: [[I:%.*]] = load i8, ptr [[BYTES]], align 16
; CHECK-NEXT: ret i8 [[I]]
;
entry:
%Bytes = alloca [1024 x i8], align 16
store i8 7, ptr %Bytes, align 4
br i1 %cnd, label %left, label %right
left: ; preds = %entry
%gep1 = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 %index1
br label %join
right: ; preds = %entry
%gep2 = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 %index2
br label %join
join: ; preds = %right, %left
%gep.join = phi ptr [ %gep1, %left ], [ %gep2, %right ]
store i8 9, ptr %gep.join, align 4
; This load cannot be replaced by the value 7 from %entry, since the previous
; store interferes due to its unknown offset.
%i = load i8, ptr %Bytes, align 4
ret i8 %i
}
; We could simplify these if we separate accessed bins wrt. alignment (here mod 4).
define i32 @unknown_access_mixed_simplifiable(i32 %arg1, i32 %arg2) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@unknown_access_mixed_simplifiable
; CHECK-SAME: (i32 [[ARG1:%.*]], i32 [[ARG2:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_S:%.*]], align 4
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds i32, ptr [[S]], i32 [[ARG1]]
; CHECK-NEXT: [[GEP3:%.*]] = getelementptr inbounds i32, ptr [[S]], i32 [[ARG2]]
; CHECK-NEXT: store i32 7, ptr [[GEP1]], align 4
; CHECK-NEXT: store i32 7, ptr [[GEP2]], align 4
; CHECK-NEXT: store i32 7, ptr [[GEP3]], align 4
; CHECK-NEXT: [[L1:%.*]] = load i32, ptr [[GEP1]], align 4
; CHECK-NEXT: [[L2:%.*]] = load i32, ptr [[GEP2]], align 4
; CHECK-NEXT: [[L3:%.*]] = load i32, ptr [[GEP3]], align 4
; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[L1]], [[L2]]
; CHECK-NEXT: [[ADD2:%.*]] = add i32 [[ADD1]], [[L3]]
; CHECK-NEXT: ret i32 [[ADD2]]
;
entry:
%s = alloca %struct.S, align 4
%gep1 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 2
%gep2 = getelementptr inbounds i32, ptr %s, i32 %arg1
%gep3 = getelementptr inbounds i32, ptr %s, i32 %arg2
store i32 7, ptr %gep1
store i32 7, ptr %gep2
store i32 7, ptr %gep3
%l1 = load i32, ptr %gep1
%l2 = load i32, ptr %gep2
%l3 = load i32, ptr %gep3
%add1 = add i32 %l1, %l2
%add2 = add i32 %add1, %l3
ret i32 %add2
}
; The access to bc4b could go anywhere, nothing is simplifiable.
define i32 @unknown_access_mixed_not_simplifiable(i32 %arg1, i32 %arg2, i32 %arg3) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@unknown_access_mixed_not_simplifiable
; CHECK-SAME: (i32 [[ARG1:%.*]], i32 [[ARG2:%.*]], i32 [[ARG3:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_S:%.*]], align 4
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds [[STRUCT_S]], ptr [[S]], i64 0, i32 2
; CHECK-NEXT: [[GEP2:%.*]] = getelementptr inbounds i32, ptr [[S]], i32 [[ARG1]]
; CHECK-NEXT: [[GEP3:%.*]] = getelementptr inbounds i32, ptr [[S]], i32 [[ARG2]]
; CHECK-NEXT: [[GEP4:%.*]] = getelementptr inbounds i8, ptr [[S]], i32 [[ARG3]]
; CHECK-NEXT: store i32 7, ptr [[GEP1]], align 4
; CHECK-NEXT: store i32 7, ptr [[GEP2]], align 4
; CHECK-NEXT: store i32 7, ptr [[GEP3]], align 4
; CHECK-NEXT: store i32 7, ptr [[GEP4]], align 4
; CHECK-NEXT: [[L1:%.*]] = load i32, ptr [[GEP1]], align 4
; CHECK-NEXT: [[L2:%.*]] = load i32, ptr [[GEP2]], align 4
; CHECK-NEXT: [[L3:%.*]] = load i32, ptr [[GEP3]], align 4
; CHECK-NEXT: [[L4:%.*]] = load i32, ptr [[GEP4]], align 4
; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[L1]], [[L2]]
; CHECK-NEXT: [[ADD2:%.*]] = add i32 [[ADD1]], [[L3]]
; CHECK-NEXT: [[ADD3:%.*]] = add i32 [[ADD2]], [[L4]]
; CHECK-NEXT: ret i32 [[ADD3]]
;
entry:
%s = alloca %struct.S, align 4
%gep1 = getelementptr inbounds %struct.S, ptr %s, i64 0, i32 2
%gep2 = getelementptr inbounds i32, ptr %s, i32 %arg1
%gep3 = getelementptr inbounds i32, ptr %s, i32 %arg2
%gep4 = getelementptr inbounds i8, ptr %s, i32 %arg3
store i32 7, ptr %gep1
store i32 7, ptr %gep2
store i32 7, ptr %gep3
store i32 7, ptr %gep4
%l1 = load i32, ptr %gep1
%l2 = load i32, ptr %gep2
%l3 = load i32, ptr %gep3
%l4 = load i32, ptr %gep4
%add1 = add i32 %l1, %l2
%add2 = add i32 %add1, %l3
%add3 = add i32 %add2, %l4
ret i32 %add3
}
declare void @escape(ptr)
; int Flag0 = 0;
; int global_not_simplifiable_1(int cnd) {
; return Flag0;
; }
;
define i32 @global_not_simplifiable_1(i32 %cnd) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; TUNIT-LABEL: define {{[^@]+}}@global_not_simplifiable_1
; TUNIT-SAME: (i32 [[CND:%.*]]) #[[ATTR6:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[I:%.*]] = load i32, ptr @Flag0, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: ret i32 [[I]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; CGSCC-LABEL: define {{[^@]+}}@global_not_simplifiable_1
; CGSCC-SAME: (i32 [[CND:%.*]]) #[[ATTR7:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[I:%.*]] = load i32, ptr @Flag0, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: ret i32 [[I]]
;
entry:
%i = load i32, ptr @Flag0, align 4, !tbaa !3
ret i32 %i
}
; static int Flag1 __attribute__((loader_uninitialized));
; int static_global_not_simplifiable_1(int cnd) {
; int v = Flag1;
; sync();
; if (cnd)
; Flag1 = 1;
; return v;
; }
;
define i32 @static_global_not_simplifiable_1(i32 %cnd) {
; CHECK-LABEL: define {{[^@]+}}@static_global_not_simplifiable_1
; CHECK-SAME: (i32 [[CND:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @sync()
; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i32 [[CND]], 0
; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CHECK: if.then:
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret i32 1
;
entry:
%i = load i32, ptr @Flag1, align 4, !tbaa !3
call void @sync()
%tobool.not = icmp eq i32 %cnd, 0
br i1 %tobool.not, label %if.end, label %if.then
if.then: ; preds = %entry
store i32 1, ptr @Flag1, align 4, !tbaa !3
br label %if.end
if.end: ; preds = %if.then, %entry
ret i32 %i
}
declare void @sync()
; static int Flag2 __attribute__((loader_uninitialized));
; int static_global_simplifiable_4(int cnd) {
; Flag2 = 1;
; sync();
; int v = Flag2;
; Flag2 = 2;
; return v;
; }
define i32 @static_global_simplifiable_4(i32 %cnd) {
; CHECK-LABEL: define {{[^@]+}}@static_global_simplifiable_4
; CHECK-SAME: (i32 [[CND:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: store i32 1, ptr @Flag2, align 4, !tbaa [[TBAA3]]
; CHECK-NEXT: call void @sync()
; CHECK-NEXT: [[I:%.*]] = load i32, ptr @Flag2, align 4, !tbaa [[TBAA3]]
; CHECK-NEXT: store i32 2, ptr @Flag2, align 4, !tbaa [[TBAA3]]
; CHECK-NEXT: ret i32 [[I]]
;
entry:
store i32 1, ptr @Flag2, align 4, !tbaa !3
call void @sync()
%i = load i32, ptr @Flag2, align 4, !tbaa !3
store i32 2, ptr @Flag2, align 4, !tbaa !3
ret i32 %i
}
; static int Flag2 __attribute__((loader_uninitialized));
; int static_global_not_simplifiable_2(int cnd) {
; Flag2 = 1;
; sync();
; int v = Flag2;
; Flag2 = 2;
; return v;
; }
define i32 @static_global_not_simplifiable_2(i32 %cnd) {
; TUNIT-LABEL: define {{[^@]+}}@static_global_not_simplifiable_2
; TUNIT-SAME: (i32 [[CND:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: store i32 1, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: call void @sync() #[[ATTR19:[0-9]+]]
; TUNIT-NEXT: [[I:%.*]] = load i32, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: store i32 2, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: ret i32 [[I]]
;
; CGSCC-LABEL: define {{[^@]+}}@static_global_not_simplifiable_2
; CGSCC-SAME: (i32 [[CND:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: store i32 1, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: call void @sync() #[[ATTR22:[0-9]+]]
; CGSCC-NEXT: [[I:%.*]] = load i32, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: store i32 2, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: ret i32 [[I]]
;
entry:
store i32 1, ptr @Flag4, align 4, !tbaa !3
call void @sync() nocallback
%i = load i32, ptr @Flag4, align 4, !tbaa !3
store i32 2, ptr @Flag4, align 4, !tbaa !3
ret i32 %i
}
define void @static_global_not_simplifiable_2_helper() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@static_global_not_simplifiable_2_helper
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: store i32 2, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@static_global_not_simplifiable_2_helper
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: store i32 2, ptr @Flag4, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: ret void
;
store i32 2, ptr @Flag4, align 4, !tbaa !3
ret void
}
; Similiar to static_global_simplifiable_3 but with a may-store.
define i32 @static_global_not_simplifiable_3(i1 %c, ptr %p) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@static_global_not_simplifiable_3
; TUNIT-SAME: (i1 [[C:%.*]], ptr nofree writeonly captures(none) [[P:%.*]]) #[[ATTR3]] {
; TUNIT-NEXT: [[SEL:%.*]] = select i1 [[C]], ptr @Flag3, ptr [[P]]
; TUNIT-NEXT: store i32 1, ptr [[SEL]], align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: [[I:%.*]] = load i32, ptr @Flag3, align 4, !tbaa [[TBAA3]]
; TUNIT-NEXT: ret i32 [[I]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@static_global_not_simplifiable_3
; CGSCC-SAME: (i1 [[C:%.*]], ptr nofree writeonly captures(none) [[P:%.*]]) #[[ATTR5]] {
; CGSCC-NEXT: [[SEL:%.*]] = select i1 [[C]], ptr @Flag3, ptr [[P]]
; CGSCC-NEXT: store i32 1, ptr [[SEL]], align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: [[I:%.*]] = load i32, ptr @Flag3, align 4, !tbaa [[TBAA3]]
; CGSCC-NEXT: ret i32 [[I]]
;
%sel = select i1 %c, ptr @Flag3, ptr %p
store i32 1, ptr %sel, align 4, !tbaa !3
%i = load i32, ptr @Flag3, align 4, !tbaa !3
ret i32 %i
}
; int write_read{,_static,_static_undef}_global(void) {
; Gint{,static,_static_undef}1 = 7;
; return Gint1;
; }
; void write{,_static,_static_undef}_global(void) {
; Gint{,static,_static_undef}2 = 7;
; }
; int read{,_static,_static_undef}_global(void) {
; return Gint{,static,_static_undef}2;
; }
;
; FIXME: We could replace these loads.
define i32 @write_read_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@write_read_global
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: store i32 7, ptr @Gint1, align 4
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr @Gint1, align 4
; TUNIT-NEXT: ret i32 [[L]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@write_read_global
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: store i32 7, ptr @Gint1, align 4
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr @Gint1, align 4
; CGSCC-NEXT: ret i32 [[L]]
;
store i32 7, ptr @Gint1
%l = load i32, ptr @Gint1
ret i32 %l
}
define void @write_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@write_global
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: store i32 7, ptr @Gint2, align 4
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@write_global
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: store i32 7, ptr @Gint2, align 4
; CGSCC-NEXT: ret void
;
store i32 7, ptr @Gint2
ret void
}
define i32 @read_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; TUNIT-LABEL: define {{[^@]+}}@read_global
; TUNIT-SAME: () #[[ATTR6]] {
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr @Gint2, align 4
; TUNIT-NEXT: ret i32 [[L]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; CGSCC-LABEL: define {{[^@]+}}@read_global
; CGSCC-SAME: () #[[ATTR7]] {
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr @Gint2, align 4
; CGSCC-NEXT: ret i32 [[L]]
;
%l = load i32, ptr @Gint2
ret i32 %l
}
define i32 @write_read_static_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@write_read_static_global
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: ret i32 7
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@write_read_static_global
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: ret i32 7
;
store i32 7, ptr @Gstatic_int1
%l = load i32, ptr @Gstatic_int1
ret i32 %l
}
define void @write_static_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@write_static_global
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: store i32 7, ptr @Gstatic_int2, align 4
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@write_static_global
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: store i32 7, ptr @Gstatic_int2, align 4
; CGSCC-NEXT: ret void
;
store i32 7, ptr @Gstatic_int2
ret void
}
define i32 @read_static_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; TUNIT-LABEL: define {{[^@]+}}@read_static_global
; TUNIT-SAME: () #[[ATTR6]] {
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr @Gstatic_int2, align 4
; TUNIT-NEXT: ret i32 [[L]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; CGSCC-LABEL: define {{[^@]+}}@read_static_global
; CGSCC-SAME: () #[[ATTR7]] {
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr @Gstatic_int2, align 4
; CGSCC-NEXT: ret i32 [[L]]
;
%l = load i32, ptr @Gstatic_int2
ret i32 %l
}
define i32 @write_read_static_undef_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@write_read_static_undef_global
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: ret i32 7
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@write_read_static_undef_global
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: ret i32 7
;
store i32 7, ptr @Gstatic_undef_int1
%l = load i32, ptr @Gstatic_undef_int1
ret i32 %l
}
define void @write_static_undef_global() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; TUNIT-LABEL: define {{[^@]+}}@write_static_undef_global
; TUNIT-SAME: () #[[ATTR5]] {
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write)
; CGSCC-LABEL: define {{[^@]+}}@write_static_undef_global
; CGSCC-SAME: () #[[ATTR6]] {
; CGSCC-NEXT: store i32 7, ptr @Gstatic_undef_int2, align 4
; CGSCC-NEXT: ret void
;
store i32 7, ptr @Gstatic_undef_int2
ret void
}
define i32 @read_static_undef_global() {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@read_static_undef_global
; CHECK-SAME: () #[[ATTR4]] {
; CHECK-NEXT: ret i32 7
;
%l = load i32, ptr @Gstatic_undef_int2
ret i32 %l
}
define i32 @single_read_of_static_global() {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@single_read_of_static_global
; CHECK-SAME: () #[[ATTR4]] {
; CHECK-NEXT: ret i32 0
;
%l = load i32, ptr @Gstatic_int3
ret i32 %l
}
define i8 @phi_store() {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@phi_store
; CHECK-SAME: () #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = alloca i16, align 2
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[P:%.*]] = phi ptr [ [[A]], [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; CHECK-NEXT: store i8 1, ptr [[P]], align 1
; CHECK-NEXT: [[G]] = getelementptr i8, ptr [[P]], i64 1
; CHECK-NEXT: [[O]] = add nsw i8 [[I]], 1
; CHECK-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 2
; CHECK-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; CHECK: end:
; CHECK-NEXT: [[S:%.*]] = getelementptr i8, ptr [[A]], i64 1
; CHECK-NEXT: [[L:%.*]] = load i8, ptr [[S]], align 1
; CHECK-NEXT: ret i8 [[L]]
;
entry:
%a = alloca i16
br label %loop
loop:
%p = phi ptr [%a, %entry], [%g, %loop]
%i = phi i8 [0, %entry], [%o, %loop]
store i8 1, ptr %p
%g = getelementptr i8, ptr %p, i64 1
%o = add nsw i8 %i, 1
%c = icmp eq i8 %o, 2
br i1 %c, label %end, label %loop
end:
%s = getelementptr i8, ptr %a, i64 1
%l = load i8, ptr %s
ret i8 %l
}
; FIXME: This function returns 1.
define i8 @phi_no_store_1() {
;
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@phi_no_store_1
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: br label [[LOOP:%.*]]
; TUNIT: loop:
; TUNIT-NEXT: [[P:%.*]] = phi ptr [ @a1, [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; TUNIT-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; TUNIT-NEXT: store i8 1, ptr [[P]], align 1
; TUNIT-NEXT: [[G]] = getelementptr i8, ptr [[P]], i64 1
; TUNIT-NEXT: [[O]] = add nsw i8 [[I]], 1
; TUNIT-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 3
; TUNIT-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; TUNIT: end:
; TUNIT-NEXT: [[S11:%.*]] = getelementptr i8, ptr @a1, i64 2
; TUNIT-NEXT: [[L11:%.*]] = load i8, ptr [[S11]], align 2
; TUNIT-NEXT: [[S12:%.*]] = getelementptr i8, ptr @a1, i64 3
; TUNIT-NEXT: [[L12:%.*]] = load i8, ptr [[S12]], align 1
; TUNIT-NEXT: [[ADD:%.*]] = add i8 [[L11]], [[L12]]
; TUNIT-NEXT: ret i8 [[ADD]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@phi_no_store_1
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: br label [[LOOP:%.*]]
; CGSCC: loop:
; CGSCC-NEXT: [[P:%.*]] = phi ptr [ @a1, [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; CGSCC-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; CGSCC-NEXT: store i8 1, ptr [[P]], align 1
; CGSCC-NEXT: [[G]] = getelementptr i8, ptr [[P]], i64 1
; CGSCC-NEXT: [[O]] = add nsw i8 [[I]], 1
; CGSCC-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 3
; CGSCC-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; CGSCC: end:
; CGSCC-NEXT: [[S11:%.*]] = getelementptr i8, ptr @a1, i64 2
; CGSCC-NEXT: [[L11:%.*]] = load i8, ptr [[S11]], align 2
; CGSCC-NEXT: [[S12:%.*]] = getelementptr i8, ptr @a1, i64 3
; CGSCC-NEXT: [[L12:%.*]] = load i8, ptr [[S12]], align 1
; CGSCC-NEXT: [[ADD:%.*]] = add i8 [[L11]], [[L12]]
; CGSCC-NEXT: ret i8 [[ADD]]
;
entry:
br label %loop
loop:
%p = phi ptr [@a1, %entry], [%g, %loop]
%i = phi i8 [0, %entry], [%o, %loop]
store i8 1, ptr %p
%g = getelementptr i8, ptr %p, i64 1
%o = add nsw i8 %i, 1
%c = icmp eq i8 %o, 3
br i1 %c, label %end, label %loop
end:
%s11 = getelementptr i8, ptr @a1, i64 2
%l11 = load i8, ptr %s11
%s12 = getelementptr i8, ptr @a1, i64 3
%l12 = load i8, ptr %s12
%add = add i8 %l11, %l12
ret i8 %add
}
; FIXME: This function returns 1.
define i8 @phi_no_store_2() {
;
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@phi_no_store_2
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: br label [[LOOP:%.*]]
; TUNIT: loop:
; TUNIT-NEXT: [[P:%.*]] = phi ptr [ @a2, [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; TUNIT-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; TUNIT-NEXT: store i8 1, ptr [[P]], align 1
; TUNIT-NEXT: [[G]] = getelementptr i8, ptr @a2, i64 2
; TUNIT-NEXT: [[O]] = add nsw i8 [[I]], 1
; TUNIT-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 7
; TUNIT-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; TUNIT: end:
; TUNIT-NEXT: [[S21:%.*]] = getelementptr i8, ptr @a2, i64 2
; TUNIT-NEXT: [[L21:%.*]] = load i8, ptr [[S21]], align 2
; TUNIT-NEXT: [[S22:%.*]] = getelementptr i8, ptr @a2, i64 3
; TUNIT-NEXT: [[L22:%.*]] = load i8, ptr [[S22]], align 1
; TUNIT-NEXT: [[ADD:%.*]] = add i8 [[L21]], [[L22]]
; TUNIT-NEXT: ret i8 [[ADD]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@phi_no_store_2
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: br label [[LOOP:%.*]]
; CGSCC: loop:
; CGSCC-NEXT: [[P:%.*]] = phi ptr [ @a2, [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; CGSCC-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; CGSCC-NEXT: store i8 1, ptr [[P]], align 1
; CGSCC-NEXT: [[G]] = getelementptr i8, ptr @a2, i64 2
; CGSCC-NEXT: [[O]] = add nsw i8 [[I]], 1
; CGSCC-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 7
; CGSCC-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; CGSCC: end:
; CGSCC-NEXT: [[S21:%.*]] = getelementptr i8, ptr @a2, i64 2
; CGSCC-NEXT: [[L21:%.*]] = load i8, ptr [[S21]], align 2
; CGSCC-NEXT: [[S22:%.*]] = getelementptr i8, ptr @a2, i64 3
; CGSCC-NEXT: [[L22:%.*]] = load i8, ptr [[S22]], align 1
; CGSCC-NEXT: [[ADD:%.*]] = add i8 [[L21]], [[L22]]
; CGSCC-NEXT: ret i8 [[ADD]]
;
entry:
br label %loop
loop:
%p = phi ptr [@a2, %entry], [%g, %loop]
%i = phi i8 [0, %entry], [%o, %loop]
store i8 1, ptr %p
%g = getelementptr i8, ptr @a2, i64 2
%o = add nsw i8 %i, 1
%c = icmp eq i8 %o, 7
br i1 %c, label %end, label %loop
end:
%s21 = getelementptr i8, ptr @a2, i64 2
%l21 = load i8, ptr %s21
%s22 = getelementptr i8, ptr @a2, i64 3
%l22 = load i8, ptr %s22
%add = add i8 %l21, %l22
ret i8 %add
}
define i8 @phi_no_store_3() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@phi_no_store_3
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[S30:%.*]] = getelementptr i8, ptr @a3, i64 3
; TUNIT-NEXT: store i8 0, ptr [[S30]], align 1
; TUNIT-NEXT: br label [[LOOP:%.*]]
; TUNIT: loop:
; TUNIT-NEXT: [[P:%.*]] = phi ptr [ @a3, [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; TUNIT-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; TUNIT-NEXT: store i8 1, ptr [[P]], align 1
; TUNIT-NEXT: [[G]] = getelementptr i8, ptr @a3, i64 2
; TUNIT-NEXT: [[O]] = add nsw i8 [[I]], 1
; TUNIT-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 7
; TUNIT-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; TUNIT: end:
; TUNIT-NEXT: [[S31:%.*]] = getelementptr i8, ptr @a3, i64 2
; TUNIT-NEXT: [[L31:%.*]] = load i8, ptr [[S31]], align 2
; TUNIT-NEXT: [[S32:%.*]] = getelementptr i8, ptr @a3, i64 3
; TUNIT-NEXT: [[L32:%.*]] = load i8, ptr [[S32]], align 1
; TUNIT-NEXT: [[ADD:%.*]] = add i8 [[L31]], [[L32]]
; TUNIT-NEXT: [[S34:%.*]] = getelementptr i8, ptr @a3, i64 4
; TUNIT-NEXT: [[L34:%.*]] = load i8, ptr [[S34]], align 4
; TUNIT-NEXT: [[ADD2:%.*]] = add i8 [[ADD]], [[L34]]
; TUNIT-NEXT: ret i8 [[ADD2]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@phi_no_store_3
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[S30:%.*]] = getelementptr i8, ptr @a3, i64 3
; CGSCC-NEXT: store i8 0, ptr [[S30]], align 1
; CGSCC-NEXT: br label [[LOOP:%.*]]
; CGSCC: loop:
; CGSCC-NEXT: [[P:%.*]] = phi ptr [ @a3, [[ENTRY:%.*]] ], [ [[G:%.*]], [[LOOP]] ]
; CGSCC-NEXT: [[I:%.*]] = phi i8 [ 0, [[ENTRY]] ], [ [[O:%.*]], [[LOOP]] ]
; CGSCC-NEXT: store i8 1, ptr [[P]], align 1
; CGSCC-NEXT: [[G]] = getelementptr i8, ptr @a3, i64 2
; CGSCC-NEXT: [[O]] = add nsw i8 [[I]], 1
; CGSCC-NEXT: [[C:%.*]] = icmp eq i8 [[O]], 7
; CGSCC-NEXT: br i1 [[C]], label [[END:%.*]], label [[LOOP]]
; CGSCC: end:
; CGSCC-NEXT: [[S31:%.*]] = getelementptr i8, ptr @a3, i64 2
; CGSCC-NEXT: [[L31:%.*]] = load i8, ptr [[S31]], align 2
; CGSCC-NEXT: [[S32:%.*]] = getelementptr i8, ptr @a3, i64 3
; CGSCC-NEXT: [[L32:%.*]] = load i8, ptr [[S32]], align 1
; CGSCC-NEXT: [[ADD:%.*]] = add i8 [[L31]], [[L32]]
; CGSCC-NEXT: [[S34:%.*]] = getelementptr i8, ptr @a3, i64 4
; CGSCC-NEXT: [[L34:%.*]] = load i8, ptr [[S34]], align 4
; CGSCC-NEXT: [[ADD2:%.*]] = add i8 [[ADD]], [[L34]]
; CGSCC-NEXT: ret i8 [[ADD2]]
;
entry:
%s30 = getelementptr i8, ptr @a3, i64 3
store i8 0, ptr %s30
br label %loop
loop:
%p = phi ptr [@a3, %entry], [%g, %loop]
%i = phi i8 [0, %entry], [%o, %loop]
store i8 1, ptr %p
%g = getelementptr i8, ptr @a3, i64 2
%o = add nsw i8 %i, 1
%c = icmp eq i8 %o, 7
br i1 %c, label %end, label %loop
end:
%s31 = getelementptr i8, ptr @a3, i64 2
%l31 = load i8, ptr %s31
%s32 = getelementptr i8, ptr @a3, i64 3
%l32 = load i8, ptr %s32
%add = add i8 %l31, %l32
%s34 = getelementptr i8, ptr @a3, i64 4
%l34 = load i8, ptr %s34
%add2 = add i8 %add, %l34
ret i8 %add2
}
define i8 @cast_and_load_1() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@cast_and_load_1
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: store i32 42, ptr @bytes1, align 4
; TUNIT-NEXT: [[L:%.*]] = load i8, ptr @bytes1, align 4
; TUNIT-NEXT: ret i8 [[L]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@cast_and_load_1
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: store i32 42, ptr @bytes1, align 4
; CGSCC-NEXT: [[L:%.*]] = load i8, ptr @bytes1, align 4
; CGSCC-NEXT: ret i8 [[L]]
;
store i32 42, ptr @bytes1
%l = load i8, ptr @bytes1
ret i8 %l
}
define i64 @cast_and_load_2() {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@cast_and_load_2
; TUNIT-SAME: () #[[ATTR3]] {
; TUNIT-NEXT: store i32 42, ptr @bytes2, align 4
; TUNIT-NEXT: [[L:%.*]] = load i64, ptr @bytes2, align 4
; TUNIT-NEXT: ret i64 [[L]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@cast_and_load_2
; CGSCC-SAME: () #[[ATTR5]] {
; CGSCC-NEXT: store i32 42, ptr @bytes2, align 4
; CGSCC-NEXT: [[L:%.*]] = load i64, ptr @bytes2, align 4
; CGSCC-NEXT: ret i64 [[L]]
;
store i32 42, ptr @bytes2
%l = load i64, ptr @bytes2
ret i64 %l
}
define void @recursive_load_store(i64 %N, i32 %v) {
;
; TUNIT: Function Attrs: nofree norecurse nosync nounwind memory(write)
; TUNIT-LABEL: define {{[^@]+}}@recursive_load_store
; TUNIT-SAME: (i64 [[N:%.*]], i32 [[V:%.*]]) #[[ATTR7:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: br label [[FOR_COND:%.*]]
; TUNIT: for.cond:
; TUNIT-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; TUNIT-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], [[N]]
; TUNIT-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END:%.*]]
; TUNIT: for.body:
; TUNIT-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; TUNIT-NEXT: br label [[FOR_COND]]
; TUNIT: for.end:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: nofree norecurse nosync nounwind memory(write)
; CGSCC-LABEL: define {{[^@]+}}@recursive_load_store
; CGSCC-SAME: (i64 [[N:%.*]], i32 [[V:%.*]]) #[[ATTR8:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: br label [[FOR_COND:%.*]]
; CGSCC: for.cond:
; CGSCC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; CGSCC-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV]], [[N]]
; CGSCC-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END:%.*]]
; CGSCC: for.body:
; CGSCC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; CGSCC-NEXT: br label [[FOR_COND]]
; CGSCC: for.end:
; CGSCC-NEXT: ret void
;
entry:
store i32 %v, ptr @rec_storage
br label %for.cond
for.cond:
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, %N
br i1 %exitcond, label %for.body, label %for.end
for.body:
%ll = load i32, ptr @rec_storage
store i32 %ll, ptr @rec_storage
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end:
%lr = load i32, ptr @rec_storage
store i32 %lr, ptr @rec_storage
ret void
}
define dso_local i32 @round_trip_malloc(i32 %x) {
; CHECK-LABEL: define {{[^@]+}}@round_trip_malloc
; CHECK-SAME: (i32 returned [[X:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 4, align 1
; CHECK-NEXT: store i32 [[X]], ptr [[CALL_H2S]], align 4
; CHECK-NEXT: ret i32 [[X]]
;
entry:
%call = call noalias ptr @malloc(i64 4) norecurse
store i32 %x, ptr %call, align 4
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
define dso_local i32 @round_trip_malloc_constant() {
; CHECK-LABEL: define {{[^@]+}}@round_trip_malloc_constant() {
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 7
;
entry:
%call = call noalias ptr @malloc(i64 4) norecurse
store i32 7, ptr %call, align 4
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
declare noalias ptr @malloc(i64) allockind("alloc,uninitialized") allocsize(0) "alloc-family"="malloc"
declare void @free(ptr) allockind("free") "alloc-family"="malloc"
define dso_local i32 @conditional_malloc(i32 %x) {
; CHECK-LABEL: define {{[^@]+}}@conditional_malloc
; CHECK-SAME: (i32 returned [[X:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 4, align 1
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i32 [[X]], ptr [[CALL_H2S]], align 4
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret i32 [[X]]
;
entry:
%call = call noalias ptr @malloc(i64 4) norecurse
%tobool = icmp ne i32 %x, 0
br i1 %tobool, label %if.then, label %if.end
if.then: ; preds = %entry
store i32 %x, ptr %call, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
%0 = load i32, ptr %call, align 4
ret i32 %0
}
define dso_local i32 @round_trip_calloc(i32 %x) {
; CHECK-LABEL: define {{[^@]+}}@round_trip_calloc
; CHECK-SAME: (i32 returned [[X:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 4, align 1
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr [[CALL_H2S]], i8 0, i64 4, i1 false)
; CHECK-NEXT: store i32 [[X]], ptr [[CALL_H2S]], align 4
; CHECK-NEXT: ret i32 [[X]]
;
entry:
%call = call noalias ptr @calloc(i64 4, i64 1) norecurse
store i32 %x, ptr %call, align 4
%0 = load i32, ptr %call, align 4
ret i32 %0
}
define dso_local i32 @round_trip_calloc_constant() {
; CHECK-LABEL: define {{[^@]+}}@round_trip_calloc_constant() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 4, align 1
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr [[CALL_H2S]], i8 0, i64 4, i1 false)
; CHECK-NEXT: ret i32 11
;
entry:
%call = call noalias ptr @calloc(i64 4, i64 1) norecurse
store i32 11, ptr %call, align 4
%0 = load i32, ptr %call, align 4
ret i32 %0
}
declare noalias ptr @calloc(i64, i64) allockind("alloc,zeroed") allocsize(0, 1) "alloc-family"="malloc"
define dso_local i32 @conditional_calloc(i32 %x) {
; CHECK-LABEL: define {{[^@]+}}@conditional_calloc
; CHECK-SAME: (i32 [[X:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 4, align 1
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr [[CALL_H2S]], i8 0, i64 4, i1 false)
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i32 [[X]], ptr [[CALL_H2S]], align 4
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL_H2S]], align 4
; CHECK-NEXT: ret i32 [[TMP0]]
;
entry:
%call = call noalias ptr @calloc(i64 1, i64 4) norecurse
%tobool = icmp ne i32 %x, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
store i32 %x, ptr %call, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
define dso_local i32 @conditional_calloc_zero(i1 %c) {
; CHECK-LABEL: define {{[^@]+}}@conditional_calloc_zero
; CHECK-SAME: (i1 [[C:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 4, align 1
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr [[CALL_H2S]], i8 0, i64 4, i1 false)
; CHECK-NEXT: br i1 [[C]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CHECK: if.then:
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret i32 0
;
entry:
%call = call noalias ptr @calloc(i64 1, i64 4) norecurse
br i1 %c, label %if.end, label %if.then
if.then: ; preds = %entry
store i32 0, ptr %call, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
define dso_local ptr @malloc_like(i32 %s) {
; TUNIT-LABEL: define {{[^@]+}}@malloc_like
; TUNIT-SAME: (i32 [[S:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[CONV:%.*]] = sext i32 [[S]] to i64
; TUNIT-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 [[CONV]]) #[[ATTR20:[0-9]+]]
; TUNIT-NEXT: ret ptr [[CALL]]
;
; CGSCC-LABEL: define {{[^@]+}}@malloc_like
; CGSCC-SAME: (i32 [[S:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CONV:%.*]] = sext i32 [[S]] to i64
; CGSCC-NEXT: [[CALL:%.*]] = call noalias ptr @malloc(i64 [[CONV]]) #[[ATTR23:[0-9]+]]
; CGSCC-NEXT: ret ptr [[CALL]]
;
entry:
%conv = sext i32 %s to i64
%call = call noalias ptr @malloc(i64 %conv) norecurse
ret ptr %call
}
define dso_local i32 @round_trip_malloc_like(i32 %x) {
; TUNIT-LABEL: define {{[^@]+}}@round_trip_malloc_like
; TUNIT-SAME: (i32 [[X:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[CALL:%.*]] = call noalias ptr @malloc_like(i32 noundef 4) #[[ATTR20]]
; TUNIT-NEXT: store i32 [[X]], ptr [[CALL]], align 4
; TUNIT-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL]], align 4
; TUNIT-NEXT: call void @free(ptr noundef nonnull align 4 dereferenceable(4) [[CALL]]) #[[ATTR20]]
; TUNIT-NEXT: ret i32 [[TMP0]]
;
; CGSCC-LABEL: define {{[^@]+}}@round_trip_malloc_like
; CGSCC-SAME: (i32 [[X:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CALL:%.*]] = call noalias ptr @malloc_like(i32 noundef 4) #[[ATTR23]]
; CGSCC-NEXT: store i32 [[X]], ptr [[CALL]], align 4
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL]], align 4
; CGSCC-NEXT: call void @free(ptr noundef nonnull align 4 dereferenceable(4) [[CALL]]) #[[ATTR23]]
; CGSCC-NEXT: ret i32 [[TMP0]]
;
entry:
%call = call ptr @malloc_like(i32 4) norecurse
store i32 %x, ptr %call, align 4
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
define dso_local i32 @round_trip_unknown_alloc(i32 %x) {
; TUNIT-LABEL: define {{[^@]+}}@round_trip_unknown_alloc
; TUNIT-SAME: (i32 [[X:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[CALL:%.*]] = call noalias ptr @unknown_alloc(i32 noundef 4) #[[ATTR20]]
; TUNIT-NEXT: store i32 [[X]], ptr [[CALL]], align 4
; TUNIT-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL]], align 4
; TUNIT-NEXT: call void @free(ptr noundef nonnull align 4 dereferenceable(4) [[CALL]]) #[[ATTR20]]
; TUNIT-NEXT: ret i32 [[TMP0]]
;
; CGSCC-LABEL: define {{[^@]+}}@round_trip_unknown_alloc
; CGSCC-SAME: (i32 [[X:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CALL:%.*]] = call noalias ptr @unknown_alloc(i32 noundef 4) #[[ATTR23]]
; CGSCC-NEXT: store i32 [[X]], ptr [[CALL]], align 4
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL]], align 4
; CGSCC-NEXT: call void @free(ptr noundef nonnull align 4 dereferenceable(4) [[CALL]]) #[[ATTR23]]
; CGSCC-NEXT: ret i32 [[TMP0]]
;
entry:
%call = call ptr @unknown_alloc(i32 4) norecurse
store i32 %x, ptr %call, align 4
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
declare noalias ptr @unknown_alloc(i32)
define dso_local i32 @conditional_unknown_alloc(i32 %x) {
; TUNIT-LABEL: define {{[^@]+}}@conditional_unknown_alloc
; TUNIT-SAME: (i32 [[X:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[CALL:%.*]] = call noalias ptr @unknown_alloc(i32 noundef 4) #[[ATTR20]]
; TUNIT-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
; TUNIT-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; TUNIT: if.then:
; TUNIT-NEXT: store i32 [[X]], ptr [[CALL]], align 4
; TUNIT-NEXT: br label [[IF_END]]
; TUNIT: if.end:
; TUNIT-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL]], align 4
; TUNIT-NEXT: call void @free(ptr nonnull align 4 dereferenceable(4) [[CALL]]) #[[ATTR20]]
; TUNIT-NEXT: ret i32 [[TMP0]]
;
; CGSCC-LABEL: define {{[^@]+}}@conditional_unknown_alloc
; CGSCC-SAME: (i32 [[X:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CALL:%.*]] = call noalias ptr @unknown_alloc(i32 noundef 4) #[[ATTR23]]
; CGSCC-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X]], 0
; CGSCC-NEXT: br i1 [[TOBOOL]], label [[IF_END:%.*]], label [[IF_THEN:%.*]]
; CGSCC: if.then:
; CGSCC-NEXT: store i32 [[X]], ptr [[CALL]], align 4
; CGSCC-NEXT: br label [[IF_END]]
; CGSCC: if.end:
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[CALL]], align 4
; CGSCC-NEXT: call void @free(ptr nonnull align 4 dereferenceable(4) [[CALL]]) #[[ATTR23]]
; CGSCC-NEXT: ret i32 [[TMP0]]
;
entry:
%call = call noalias ptr @unknown_alloc(i32 4) norecurse
%tobool = icmp ne i32 %x, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
store i32 %x, ptr %call, align 4
br label %if.end
if.end: ; preds = %if.then, %entry
%0 = load i32, ptr %call, align 4
call void @free(ptr %call) norecurse
ret i32 %0
}
%struct.STy = type { ptr, ptr, ptr }
@global = internal global %struct.STy zeroinitializer, align 8
; We mark %dst as writeonly and %src as readonly, that is (for now) all we can expect.
define dso_local void @test_nested_memory(ptr %dst, ptr %src) {
; TUNIT-LABEL: define {{[^@]+}}@test_nested_memory
; TUNIT-SAME: (ptr nofree writeonly captures(none) [[DST:%.*]], ptr nofree readonly captures(none) [[SRC:%.*]]) {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[CALL_H2S:%.*]] = alloca i8, i64 24, align 1
; TUNIT-NEXT: [[LOCAL:%.*]] = alloca [[STRUCT_STY:%.*]], align 8
; TUNIT-NEXT: [[INNER:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[LOCAL]], i64 0, i32 2
; TUNIT-NEXT: store ptr @global, ptr [[INNER]], align 8
; TUNIT-NEXT: store ptr [[DST]], ptr [[CALL_H2S]], align 8
; TUNIT-NEXT: [[SRC2:%.*]] = getelementptr inbounds i8, ptr [[CALL_H2S]], i64 8
; TUNIT-NEXT: store ptr [[SRC]], ptr [[SRC2]], align 8
; TUNIT-NEXT: store ptr [[CALL_H2S]], ptr getelementptr inbounds ([[STRUCT_STY]], ptr @global, i64 0, i32 2), align 8
; TUNIT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[LOCAL]], align 8
; TUNIT-NEXT: [[LOCAL_B8:%.*]] = getelementptr i8, ptr [[LOCAL]], i64 8
; TUNIT-NEXT: [[TMP1:%.*]] = load ptr, ptr [[LOCAL_B8]], align 8
; TUNIT-NEXT: [[LOCAL_B16:%.*]] = getelementptr i8, ptr [[LOCAL]], i64 16
; TUNIT-NEXT: [[TMP2:%.*]] = load ptr, ptr [[LOCAL_B16]], align 8
; TUNIT-NEXT: call fastcc void @nested_memory_callee(ptr [[TMP0]], ptr [[TMP1]], ptr [[TMP2]]) #[[ATTR21:[0-9]+]]
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@test_nested_memory
; CGSCC-SAME: (ptr nofree [[DST:%.*]], ptr nofree [[SRC:%.*]]) {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[LOCAL:%.*]] = alloca [[STRUCT_STY:%.*]], align 8
; CGSCC-NEXT: [[INNER:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[LOCAL]], i64 0, i32 2
; CGSCC-NEXT: [[CALL:%.*]] = call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24)
; CGSCC-NEXT: store ptr [[DST]], ptr [[CALL]], align 8
; CGSCC-NEXT: [[SRC2:%.*]] = getelementptr inbounds i8, ptr [[CALL]], i64 8
; CGSCC-NEXT: store ptr [[SRC]], ptr [[SRC2]], align 8
; CGSCC-NEXT: store ptr [[CALL]], ptr getelementptr inbounds ([[STRUCT_STY]], ptr @global, i64 0, i32 2), align 8
; CGSCC-NEXT: call fastcc void @nested_memory_callee(ptr nofree align 4294967296 undef, ptr nofree align 4294967296 undef, ptr nofree noundef nonnull align 8 dereferenceable(24) @global) #[[ATTR24:[0-9]+]]
; CGSCC-NEXT: ret void
;
entry:
%local = alloca %struct.STy, align 8
%inner = getelementptr inbounds %struct.STy, ptr %local, i64 0, i32 2
store ptr @global, ptr %inner, align 8
%call = call noalias dereferenceable_or_null(24) ptr @malloc(i64 24) #4
store ptr %dst, ptr %call, align 8
%src2 = getelementptr inbounds i8, ptr %call, i64 8
store ptr %src, ptr %src2, align 8
store ptr %call, ptr getelementptr inbounds (%struct.STy, ptr @global, i64 0, i32 2), align 8
call fastcc void @nested_memory_callee(ptr nonnull %local)
ret void
}
define internal fastcc void @nested_memory_callee(ptr nocapture readonly %S) nofree norecurse nounwind uwtable {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn uwtable
; TUNIT-LABEL: define {{[^@]+}}@nested_memory_callee
; TUNIT-SAME: (ptr [[TMP0:%.*]], ptr [[TMP1:%.*]], ptr [[TMP2:%.*]]) #[[ATTR11:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[S_PRIV:%.*]] = alloca [[STRUCT_STY:%.*]], align 8
; TUNIT-NEXT: store ptr [[TMP0]], ptr [[S_PRIV]], align 8
; TUNIT-NEXT: [[S_PRIV_B8:%.*]] = getelementptr i8, ptr [[S_PRIV]], i64 8
; TUNIT-NEXT: store ptr [[TMP1]], ptr [[S_PRIV_B8]], align 8
; TUNIT-NEXT: [[S_PRIV_B16:%.*]] = getelementptr i8, ptr [[S_PRIV]], i64 16
; TUNIT-NEXT: store ptr [[TMP2]], ptr [[S_PRIV_B16]], align 8
; TUNIT-NEXT: [[INNER:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[S_PRIV]], i64 0, i32 2
; TUNIT-NEXT: [[TMP3:%.*]] = load ptr, ptr [[INNER]], align 8
; TUNIT-NEXT: [[INNER1:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[TMP3]], i64 0, i32 2
; TUNIT-NEXT: [[TMP4:%.*]] = load ptr, ptr [[INNER1]], align 8
; TUNIT-NEXT: [[SRC:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[TMP4]], i64 0, i32 1
; TUNIT-NEXT: [[TMP5:%.*]] = load ptr, ptr [[SRC]], align 8
; TUNIT-NEXT: [[TMP6:%.*]] = load double, ptr [[TMP5]], align 8
; TUNIT-NEXT: [[CONV:%.*]] = fptrunc double [[TMP6]] to float
; TUNIT-NEXT: [[TMP7:%.*]] = load ptr, ptr [[TMP4]], align 8
; TUNIT-NEXT: store float [[CONV]], ptr [[TMP7]], align 4
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn uwtable
; CGSCC-LABEL: define {{[^@]+}}@nested_memory_callee
; CGSCC-SAME: (ptr nofree [[TMP0:%.*]], ptr nofree [[TMP1:%.*]], ptr nofree [[TMP2:%.*]]) #[[ATTR12:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[S_PRIV:%.*]] = alloca [[STRUCT_STY:%.*]], align 8
; CGSCC-NEXT: store ptr [[TMP0]], ptr [[S_PRIV]], align 8
; CGSCC-NEXT: [[S_PRIV_B8:%.*]] = getelementptr i8, ptr [[S_PRIV]], i64 8
; CGSCC-NEXT: store ptr [[TMP1]], ptr [[S_PRIV_B8]], align 8
; CGSCC-NEXT: [[S_PRIV_B16:%.*]] = getelementptr i8, ptr [[S_PRIV]], i64 16
; CGSCC-NEXT: store ptr [[TMP2]], ptr [[S_PRIV_B16]], align 8
; CGSCC-NEXT: [[INNER:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[S_PRIV]], i64 0, i32 2
; CGSCC-NEXT: [[TMP3:%.*]] = load ptr, ptr [[INNER]], align 8
; CGSCC-NEXT: [[INNER1:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[TMP3]], i64 0, i32 2
; CGSCC-NEXT: [[TMP4:%.*]] = load ptr, ptr [[INNER1]], align 8
; CGSCC-NEXT: [[SRC:%.*]] = getelementptr inbounds [[STRUCT_STY]], ptr [[TMP4]], i64 0, i32 1
; CGSCC-NEXT: [[TMP5:%.*]] = load ptr, ptr [[SRC]], align 8
; CGSCC-NEXT: [[TMP6:%.*]] = load double, ptr [[TMP5]], align 8
; CGSCC-NEXT: [[CONV:%.*]] = fptrunc double [[TMP6]] to float
; CGSCC-NEXT: [[TMP7:%.*]] = load ptr, ptr [[TMP4]], align 8
; CGSCC-NEXT: store float [[CONV]], ptr [[TMP7]], align 4
; CGSCC-NEXT: ret void
;
entry:
%inner = getelementptr inbounds %struct.STy, ptr %S, i64 0, i32 2
%0 = load ptr, ptr %inner, align 8
%inner1 = getelementptr inbounds %struct.STy, ptr %0, i64 0, i32 2
%1 = load ptr, ptr %inner1, align 8
%src = getelementptr inbounds %struct.STy, ptr %1, i64 0, i32 1
%2 = load ptr, ptr %src, align 8
%3 = load double, ptr %2, align 8
%conv = fptrunc double %3 to float
%4 = load ptr, ptr %1, align 8
store float %conv, ptr %4, align 4
ret void
}
; Make sure the access %1 is not forwarded to the loads %2 and %3 as the indices are
; varying and the accesses thus not "exact". This used to simplify %cmp12 to true.
define hidden void @no_propagation_of_unknown_index_access(ptr %in, ptr %out, i32 %idx) #0 {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; TUNIT-LABEL: define {{[^@]+}}@no_propagation_of_unknown_index_access
; TUNIT-SAME: (ptr nofree readonly captures(none) [[IN:%.*]], ptr nofree writeonly captures(none) [[OUT:%.*]], i32 [[IDX:%.*]]) #[[ATTR1]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[BUF:%.*]] = alloca [128 x i32], align 16
; TUNIT-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 512, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(512) [[BUF]]) #[[ATTR17]]
; TUNIT-NEXT: br label [[FOR_COND:%.*]]
; TUNIT: for.cond:
; TUNIT-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_BODY:%.*]] ]
; TUNIT-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], 128
; TUNIT-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP:%.*]]
; TUNIT: for.cond.cleanup:
; TUNIT-NEXT: br label [[FOR_COND4:%.*]]
; TUNIT: for.body:
; TUNIT-NEXT: [[IDXPROM:%.*]] = sext i32 [[I_0]] to i64
; TUNIT-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[IN]], i64 [[IDXPROM]]
; TUNIT-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
; TUNIT-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds [128 x i32], ptr [[BUF]], i64 0, i64 [[IDXPROM]]
; TUNIT-NEXT: store i32 [[TMP0]], ptr [[ARRAYIDX2]], align 4
; TUNIT-NEXT: [[INC]] = add nsw i32 [[I_0]], 1
; TUNIT-NEXT: br label [[FOR_COND]], !llvm.loop [[TBAA10]]
; TUNIT: for.cond4:
; TUNIT-NEXT: [[I3_0:%.*]] = phi i32 [ 0, [[FOR_COND_CLEANUP]] ], [ [[INC16:%.*]], [[FOR_BODY7:%.*]] ]
; TUNIT-NEXT: [[CMP5:%.*]] = icmp slt i32 [[I3_0]], 128
; TUNIT-NEXT: br i1 [[CMP5]], label [[FOR_BODY7]], label [[FOR_COND_CLEANUP6:%.*]]
; TUNIT: for.cond.cleanup6:
; TUNIT-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 512, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(512) [[BUF]]) #[[ATTR17]]
; TUNIT-NEXT: ret void
; TUNIT: for.body7:
; TUNIT-NEXT: [[IDXPROM8:%.*]] = sext i32 [[I3_0]] to i64
; TUNIT-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds [128 x i32], ptr [[BUF]], i64 0, i64 [[IDXPROM8]]
; TUNIT-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX9]], align 4
; TUNIT-NEXT: [[IDXPROM10:%.*]] = sext i32 [[IDX]] to i64
; TUNIT-NEXT: [[ARRAYIDX11:%.*]] = getelementptr inbounds [128 x i32], ptr [[BUF]], i64 0, i64 [[IDXPROM10]]
; TUNIT-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX11]], align 4
; TUNIT-NEXT: [[CMP12:%.*]] = icmp sle i32 [[TMP1]], [[TMP2]]
; TUNIT-NEXT: [[CONV:%.*]] = zext i1 [[CMP12]] to i32
; TUNIT-NEXT: [[ARRAYIDX14:%.*]] = getelementptr inbounds i32, ptr [[OUT]], i64 [[IDXPROM8]]
; TUNIT-NEXT: store i32 [[CONV]], ptr [[ARRAYIDX14]], align 4
; TUNIT-NEXT: [[INC16]] = add nsw i32 [[I3_0]], 1
; TUNIT-NEXT: br label [[FOR_COND4]], !llvm.loop [[TBAA12]]
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@no_propagation_of_unknown_index_access
; CGSCC-SAME: (ptr nofree readonly captures(none) [[IN:%.*]], ptr nofree writeonly captures(none) [[OUT:%.*]], i32 [[IDX:%.*]]) #[[ATTR13:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[BUF:%.*]] = alloca [128 x i32], align 16
; CGSCC-NEXT: call void @llvm.lifetime.start.p0(i64 noundef 512, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(512) [[BUF]]) #[[ATTR20]]
; CGSCC-NEXT: br label [[FOR_COND:%.*]]
; CGSCC: for.cond:
; CGSCC-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_BODY:%.*]] ]
; CGSCC-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], 128
; CGSCC-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP:%.*]]
; CGSCC: for.cond.cleanup:
; CGSCC-NEXT: br label [[FOR_COND4:%.*]]
; CGSCC: for.body:
; CGSCC-NEXT: [[IDXPROM:%.*]] = sext i32 [[I_0]] to i64
; CGSCC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[IN]], i64 [[IDXPROM]]
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
; CGSCC-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds [128 x i32], ptr [[BUF]], i64 0, i64 [[IDXPROM]]
; CGSCC-NEXT: store i32 [[TMP0]], ptr [[ARRAYIDX2]], align 4
; CGSCC-NEXT: [[INC]] = add nsw i32 [[I_0]], 1
; CGSCC-NEXT: br label [[FOR_COND]], !llvm.loop [[TBAA10]]
; CGSCC: for.cond4:
; CGSCC-NEXT: [[I3_0:%.*]] = phi i32 [ 0, [[FOR_COND_CLEANUP]] ], [ [[INC16:%.*]], [[FOR_BODY7:%.*]] ]
; CGSCC-NEXT: [[CMP5:%.*]] = icmp slt i32 [[I3_0]], 128
; CGSCC-NEXT: br i1 [[CMP5]], label [[FOR_BODY7]], label [[FOR_COND_CLEANUP6:%.*]]
; CGSCC: for.cond.cleanup6:
; CGSCC-NEXT: call void @llvm.lifetime.end.p0(i64 noundef 512, ptr noalias nofree noundef nonnull align 16 captures(none) dereferenceable(512) [[BUF]]) #[[ATTR20]]
; CGSCC-NEXT: ret void
; CGSCC: for.body7:
; CGSCC-NEXT: [[IDXPROM8:%.*]] = sext i32 [[I3_0]] to i64
; CGSCC-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds [128 x i32], ptr [[BUF]], i64 0, i64 [[IDXPROM8]]
; CGSCC-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX9]], align 4
; CGSCC-NEXT: [[IDXPROM10:%.*]] = sext i32 [[IDX]] to i64
; CGSCC-NEXT: [[ARRAYIDX11:%.*]] = getelementptr inbounds [128 x i32], ptr [[BUF]], i64 0, i64 [[IDXPROM10]]
; CGSCC-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX11]], align 4
; CGSCC-NEXT: [[CMP12:%.*]] = icmp sle i32 [[TMP1]], [[TMP2]]
; CGSCC-NEXT: [[CONV:%.*]] = zext i1 [[CMP12]] to i32
; CGSCC-NEXT: [[ARRAYIDX14:%.*]] = getelementptr inbounds i32, ptr [[OUT]], i64 [[IDXPROM8]]
; CGSCC-NEXT: store i32 [[CONV]], ptr [[ARRAYIDX14]], align 4
; CGSCC-NEXT: [[INC16]] = add nsw i32 [[I3_0]], 1
; CGSCC-NEXT: br label [[FOR_COND4]], !llvm.loop [[TBAA12]]
;
entry:
%buf = alloca [128 x i32], align 16
call void @llvm.lifetime.start.p0(i64 512, ptr %buf) #2
br label %for.cond
for.cond: ; preds = %for.body, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, 128
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
br label %for.cond4
for.body: ; preds = %for.cond
%idxprom = sext i32 %i.0 to i64
%arrayidx = getelementptr inbounds i32, ptr %in, i64 %idxprom
%0 = load i32, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds [128 x i32], ptr %buf, i64 0, i64 %idxprom
store i32 %0, ptr %arrayidx2, align 4
%inc = add nsw i32 %i.0, 1
br label %for.cond, !llvm.loop !10
for.cond4: ; preds = %for.body7, %for.cond.cleanup
%i3.0 = phi i32 [ 0, %for.cond.cleanup ], [ %inc16, %for.body7 ]
%cmp5 = icmp slt i32 %i3.0, 128
br i1 %cmp5, label %for.body7, label %for.cond.cleanup6
for.cond.cleanup6: ; preds = %for.cond4
call void @llvm.lifetime.end.p0(i64 512, ptr %buf) #2
ret void
for.body7: ; preds = %for.cond4
%idxprom8 = sext i32 %i3.0 to i64
%arrayidx9 = getelementptr inbounds [128 x i32], ptr %buf, i64 0, i64 %idxprom8
%1 = load i32, ptr %arrayidx9, align 4
%idxprom10 = sext i32 %idx to i64
%arrayidx11 = getelementptr inbounds [128 x i32], ptr %buf, i64 0, i64 %idxprom10
%2 = load i32, ptr %arrayidx11, align 4
%cmp12 = icmp sle i32 %1, %2
%conv = zext i1 %cmp12 to i32
%arrayidx14 = getelementptr inbounds i32, ptr %out, i64 %idxprom8
store i32 %conv, ptr %arrayidx14, align 4
%inc16 = add nsw i32 %i3.0, 1
br label %for.cond4, !llvm.loop !12
}
; Ensure we do not return true.
define internal i1 @alloca_non_unique(ptr %p, i32 %in, i1 %c) {
; TUNIT: Function Attrs: nofree nosync nounwind memory(argmem: readwrite)
; TUNIT-LABEL: define {{[^@]+}}@alloca_non_unique
; TUNIT-SAME: (ptr noalias nofree readonly align 4 captures(none) [[P:%.*]], i32 [[IN:%.*]], i1 noundef [[C:%.*]]) #[[ATTR12:[0-9]+]] {
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: store i32 [[IN]], ptr [[A]], align 4
; TUNIT-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
; TUNIT: t:
; TUNIT-NEXT: [[R:%.*]] = call i1 @alloca_non_unique(ptr noalias nofree noundef nonnull readonly align 4 captures(none) dereferenceable(4) [[A]], i32 noundef 42, i1 noundef false) #[[ATTR14:[0-9]+]]
; TUNIT-NEXT: ret i1 [[R]]
; TUNIT: f:
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
; TUNIT-NEXT: [[CMP:%.*]] = icmp eq i32 [[IN]], [[L]]
; TUNIT-NEXT: ret i1 [[CMP]]
;
; CGSCC: Function Attrs: nofree nosync nounwind memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@alloca_non_unique
; CGSCC-SAME: (ptr noalias nofree readonly align 4 captures(none) [[P:%.*]], i32 [[IN:%.*]], i1 noundef [[C:%.*]]) #[[ATTR14:[0-9]+]] {
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: store i32 [[IN]], ptr [[A]], align 4
; CGSCC-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
; CGSCC: t:
; CGSCC-NEXT: [[R:%.*]] = call i1 @alloca_non_unique(ptr noalias nofree noundef nonnull readonly align 4 captures(none) dereferenceable(4) [[A]], i32 noundef 42, i1 noundef false) #[[ATTR17:[0-9]+]]
; CGSCC-NEXT: ret i1 [[R]]
; CGSCC: f:
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
; CGSCC-NEXT: [[CMP:%.*]] = icmp eq i32 [[IN]], [[L]]
; CGSCC-NEXT: ret i1 [[CMP]]
;
%a = alloca i32
store i32 %in, ptr %a
br i1 %c, label %t, label %f
t:
%r = call i1 @alloca_non_unique(ptr %a, i32 42, i1 false)
ret i1 %r
f:
%l = load i32, ptr %p
%cmp = icmp eq i32 %in, %l
ret i1 %cmp
}
; Ensure we do not return true.
define i1 @alloca_non_unique_caller(i32 %in, i1 %c) {
; TUNIT: Function Attrs: nofree norecurse nosync nounwind memory(none)
; TUNIT-LABEL: define {{[^@]+}}@alloca_non_unique_caller
; TUNIT-SAME: (i32 [[IN:%.*]], i1 [[C:%.*]]) #[[ATTR13:[0-9]+]] {
; TUNIT-NEXT: [[R:%.*]] = call i1 @alloca_non_unique(ptr undef, i32 [[IN]], i1 noundef [[C]]) #[[ATTR14]]
; TUNIT-NEXT: ret i1 [[R]]
;
; CGSCC: Function Attrs: nofree nosync nounwind memory(none)
; CGSCC-LABEL: define {{[^@]+}}@alloca_non_unique_caller
; CGSCC-SAME: (i32 [[IN:%.*]], i1 noundef [[C:%.*]]) #[[ATTR15:[0-9]+]] {
; CGSCC-NEXT: [[R:%.*]] = call i1 @alloca_non_unique(ptr nofree undef, i32 [[IN]], i1 noundef [[C]]) #[[ATTR25:[0-9]+]]
; CGSCC-NEXT: ret i1 [[R]]
;
%r = call i1 @alloca_non_unique(ptr undef, i32 %in, i1 %c)
ret i1 %r
}
; Ensure we do not return %bad or %l, but %sel
define i32 @scope_value_traversal(i32 %bad, i1 %c, i1 %c2) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@scope_value_traversal
; TUNIT-SAME: (i32 [[BAD:%.*]], i1 [[C:%.*]], i1 [[C2:%.*]]) #[[ATTR4]] {
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: store i32 [[BAD]], ptr [[A]], align 4
; TUNIT-NEXT: call void @scope_value_traversal_helper(ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[A]], i1 [[C2]]) #[[ATTR22:[0-9]+]]
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr [[A]], align 4
; TUNIT-NEXT: [[SEL:%.*]] = select i1 [[C]], i32 [[BAD]], i32 [[L]]
; TUNIT-NEXT: ret i32 [[SEL]]
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@scope_value_traversal
; CGSCC-SAME: (i32 [[BAD:%.*]], i1 [[C:%.*]], i1 [[C2:%.*]]) #[[ATTR16:[0-9]+]] {
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: store i32 [[BAD]], ptr [[A]], align 4
; CGSCC-NEXT: call void @scope_value_traversal_helper(ptr noalias nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[A]], i1 [[C2]]) #[[ATTR26:[0-9]+]]
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[A]], align 4
; CGSCC-NEXT: [[SEL:%.*]] = select i1 [[C]], i32 [[BAD]], i32 [[L]]
; CGSCC-NEXT: ret i32 [[SEL]]
;
%a = alloca i32
store i32 %bad, ptr %a
call void @scope_value_traversal_helper(ptr %a, i1 %c2)
%l = load i32, ptr %a
%sel = select i1 %c, i32 %bad, i32 %l
ret i32 %sel
}
define void @scope_value_traversal_helper(ptr %a, i1 %c) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; TUNIT-LABEL: define {{[^@]+}}@scope_value_traversal_helper
; TUNIT-SAME: (ptr nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[A:%.*]], i1 [[C:%.*]]) #[[ATTR1]] {
; TUNIT-NEXT: [[L:%.*]] = load i32, ptr [[A]], align 4
; TUNIT-NEXT: [[SEL:%.*]] = select i1 [[C]], i32 [[L]], i32 42
; TUNIT-NEXT: store i32 [[SEL]], ptr [[A]], align 4
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@scope_value_traversal_helper
; CGSCC-SAME: (ptr nofree noundef nonnull align 4 captures(none) dereferenceable(4) [[A:%.*]], i1 [[C:%.*]]) #[[ATTR13]] {
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[A]], align 4
; CGSCC-NEXT: [[SEL:%.*]] = select i1 [[C]], i32 [[L]], i32 42
; CGSCC-NEXT: store i32 [[SEL]], ptr [[A]], align 4
; CGSCC-NEXT: ret void
;
%l = load i32, ptr %a
%sel = select i1 %c, i32 %l, i32 42
store i32 %sel, ptr %a
ret void
}
define i8 @gep_index_from_binary_operator(i1 %cnd1, i1 %cnd2) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@gep_index_from_binary_operator
; CHECK-SAME: (i1 [[CND1:%.*]], i1 [[CND2:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
; CHECK-NEXT: [[GEP_FIXED:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 12
; CHECK-NEXT: ret i8 100
;
entry:
%Bytes = alloca [1024 x i8], align 16
%offset = add i64 5, 7
%gep.fixed = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 12
%gep.sum = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 %offset
store i8 100, ptr %gep.fixed, align 4
%i = load i8, ptr %gep.sum, align 4
ret i8 %i
}
define i8 @gep_index_from_memory(i1 %cnd1, i1 %cnd2) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@gep_index_from_memory
; CHECK-SAME: (i1 [[CND1:%.*]], i1 [[CND2:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
; CHECK-NEXT: [[GEP_LOADED:%.*]] = getelementptr inbounds [1024 x i8], ptr [[BYTES]], i64 0, i64 12
; CHECK-NEXT: ret i8 100
;
entry:
%Bytes = alloca [1024 x i8], align 16
%addr = alloca i64, align 16
store i64 12, ptr %addr, align 8
%offset = load i64, ptr %addr, align 8
%gep.fixed = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 12
%gep.loaded = getelementptr inbounds [1024 x i8], ptr %Bytes, i64 0, i64 %offset
store i8 100, ptr %gep.loaded, align 4
%i = load i8, ptr %gep.fixed, align 4
ret i8 %i
}
@G = internal global i32 0, align 4
; Ensure this is not flattened to return 3
define i32 @a(i1 %c) {
; TUNIT: Function Attrs: nofree nosync nounwind
; TUNIT-LABEL: define {{[^@]+}}@a
; TUNIT-SAME: (i1 noundef [[C:%.*]]) #[[ATTR14]] {
; TUNIT-NEXT: store i32 3, ptr @G, align 4
; TUNIT-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
; TUNIT: t:
; TUNIT-NEXT: [[REC:%.*]] = call i32 @a(i1 noundef false) #[[ATTR14]]
; TUNIT-NEXT: br label [[F]]
; TUNIT: f:
; TUNIT-NEXT: [[R:%.*]] = load i32, ptr @G, align 4
; TUNIT-NEXT: store i32 5, ptr @G, align 4
; TUNIT-NEXT: ret i32 [[R]]
;
; CGSCC: Function Attrs: nofree nosync nounwind
; CGSCC-LABEL: define {{[^@]+}}@a
; CGSCC-SAME: (i1 noundef [[C:%.*]]) #[[ATTR17]] {
; CGSCC-NEXT: store i32 3, ptr @G, align 4
; CGSCC-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
; CGSCC: t:
; CGSCC-NEXT: [[REC:%.*]] = call i32 @a(i1 noundef false) #[[ATTR17]]
; CGSCC-NEXT: br label [[F]]
; CGSCC: f:
; CGSCC-NEXT: [[R:%.*]] = load i32, ptr @G, align 4
; CGSCC-NEXT: store i32 5, ptr @G, align 4
; CGSCC-NEXT: ret i32 [[R]]
;
store i32 3, ptr @G
br i1 %c, label %t, label %f
t:
%rec = call i32 @a(i1 false)
br label %f
f:
%r = load i32, ptr @G
store i32 5, ptr @G
ret i32 %r
}
@GC = internal global i32 undef, align 4
define void @atomicrmw(ptr %p, i32 %i, i1 %cnd) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; TUNIT-LABEL: define {{[^@]+}}@atomicrmw
; TUNIT-SAME: (ptr nofree [[P:%.*]], i32 [[I:%.*]], i1 noundef [[CND:%.*]]) #[[ATTR3]] {
; TUNIT-NEXT: br i1 [[CND]], label [[T:%.*]], label [[M:%.*]]
; TUNIT: t:
; TUNIT-NEXT: br label [[M]]
; TUNIT: m:
; TUNIT-NEXT: [[ARMW:%.*]] = atomicrmw add ptr @GC, i32 [[I]] monotonic, align 4
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@atomicrmw
; CGSCC-SAME: (ptr nofree [[P:%.*]], i32 [[I:%.*]], i1 noundef [[CND:%.*]]) #[[ATTR5]] {
; CGSCC-NEXT: br i1 [[CND]], label [[T:%.*]], label [[M:%.*]]
; CGSCC: t:
; CGSCC-NEXT: br label [[M]]
; CGSCC: m:
; CGSCC-NEXT: [[ARMW:%.*]] = atomicrmw add ptr @GC, i32 [[I]] monotonic, align 4
; CGSCC-NEXT: ret void
;
%alloca = alloca <2 x ptr>
%gep1 = getelementptr ptr, ptr %alloca, i32 0
%gep2 = getelementptr ptr, ptr %alloca, i32 1
store <2 x ptr> <ptr @GC, ptr @GC>, ptr %alloca
br i1 %cnd, label %t, label %m
t:
store ptr null, ptr %gep2
br label %m
m:
%l1 = load ptr, ptr %gep1
%l2 = load ptr, ptr %gep2
%c1 = icmp eq ptr %l2, %p
call void @llvm.assume(i1 %c1)
%s = select i1 true, ptr %l1, ptr %l2
%armw = atomicrmw add ptr %s, i32 %i monotonic
ret void
}
@GRS = internal thread_local global i32 undef
@GRS2 = global i32 undef
define i32 @recSimplify(i32 %v, i1 %cond) {
; TUNIT: Function Attrs: nofree nosync nounwind
; TUNIT-LABEL: define {{[^@]+}}@recSimplify
; TUNIT-SAME: (i32 [[V:%.*]], i1 noundef [[COND:%.*]]) #[[ATTR14]] {
; TUNIT-NEXT: br i1 [[COND]], label [[REC:%.*]], label [[COMP:%.*]]
; TUNIT: rec:
; TUNIT-NEXT: [[RV:%.*]] = call i32 @recSimplify(i32 undef, i1 noundef false) #[[ATTR14]]
; TUNIT-NEXT: ret i32 1
; TUNIT: comp:
; TUNIT-NEXT: store i32 1, ptr @GRS2, align 4
; TUNIT-NEXT: ret i32 1
;
; CGSCC: Function Attrs: nofree nosync nounwind
; CGSCC-LABEL: define {{[^@]+}}@recSimplify
; CGSCC-SAME: (i32 [[V:%.*]], i1 noundef [[COND:%.*]]) #[[ATTR17]] {
; CGSCC-NEXT: br i1 [[COND]], label [[REC:%.*]], label [[COMP:%.*]]
; CGSCC: rec:
; CGSCC-NEXT: [[RV:%.*]] = call i32 @recSimplify(i32 [[V]], i1 noundef false) #[[ATTR17]]
; CGSCC-NEXT: ret i32 [[RV]]
; CGSCC: comp:
; CGSCC-NEXT: store i32 [[V]], ptr @GRS, align 4
; CGSCC-NEXT: store i32 1, ptr @GRS2, align 4
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr @GRS, align 4
; CGSCC-NEXT: [[C:%.*]] = icmp eq i32 [[L]], 1
; CGSCC-NEXT: call void @llvm.assume(i1 noundef [[C]]) #[[ATTR27:[0-9]+]]
; CGSCC-NEXT: [[R:%.*]] = call i32 @recSimplify2() #[[ATTR27]]
; CGSCC-NEXT: ret i32 [[R]]
;
br i1 %cond, label %rec, label %comp
rec:
%rv = call i32 @recSimplify(i32 %v, i1 false)
ret i32 %rv
comp:
store i32 %v, ptr @GRS
%s1 = select i1 %cond, i32 1, i32 1
%s2 = select i1 %cond, i32 1, i32 %s1
store i32 %s2, ptr @GRS2
%l = load i32, ptr @GRS
%c = icmp eq i32 %l, %s2
call void @llvm.assume(i1 %c)
%r = call i32 @recSimplify2()
ret i32 %r
}
define internal i32 @recSimplify2() {
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read)
; CGSCC-LABEL: define {{[^@]+}}@recSimplify2
; CGSCC-SAME: () #[[ATTR7]] {
; CGSCC-NEXT: [[R:%.*]] = load i32, ptr @GRS, align 4
; CGSCC-NEXT: ret i32 [[R]]
;
%r = load i32, ptr @GRS
ret i32 %r
}
; Verify we do not return 10.
define i32 @may_access_after_return(i32 noundef %N, i32 noundef %M) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@may_access_after_return
; TUNIT-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]]) #[[ATTR4]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 4
; TUNIT-NEXT: call void @write_both(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[A]], ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[B]]) #[[ATTR18]]
; TUNIT-NEXT: ret i32 8
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@may_access_after_return
; CGSCC-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]]) #[[ATTR16]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 4
; CGSCC-NEXT: call void @write_both(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[A]], ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[B]]) #[[ATTR21]]
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 4
; CGSCC-NEXT: [[TMP1:%.*]] = load i32, ptr [[B]], align 4
; CGSCC-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], [[TMP1]]
; CGSCC-NEXT: ret i32 [[ADD]]
;
entry:
%A = alloca i32, align 4
%B = alloca i32, align 4
%call = call ptr @passthrough(ptr noundef %A)
%call1 = call ptr @passthrough(ptr noundef %B)
call void @write_both(ptr noundef %call, ptr noundef %call1)
%0 = load i32, ptr %A, align 4
%1 = load i32, ptr %B, align 4
%add = add nsw i32 %0, %1
ret i32 %add
}
define internal void @write_both(ptr noundef %Q, ptr noundef %R) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write)
; CHECK-LABEL: define {{[^@]+}}@write_both
; CHECK-SAME: (ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[Q:%.*]], ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[R:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: store i32 3, ptr [[Q]], align 4
; CHECK-NEXT: store i32 5, ptr [[R]], align 4
; CHECK-NEXT: ret void
;
entry:
store i32 3, ptr %Q, align 4
store i32 5, ptr %R, align 4
ret void
}
define internal ptr @passthrough(ptr noundef %P) {
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@passthrough
; CGSCC-SAME: (ptr noalias nofree noundef nonnull readnone returned align 4 dereferenceable(4) "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR4]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: ret ptr [[P]]
;
entry:
ret ptr %P
}
; Verify we do not return 10.
define i32 @may_access_after_return_choice(i32 noundef %N, i32 noundef %M, i1 %c) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@may_access_after_return_choice
; TUNIT-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]], i1 [[C:%.*]]) #[[ATTR4]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[CALL:%.*]] = call nonnull align 4 dereferenceable(4) ptr @passthrough_choice(i1 [[C]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) "no-capture-maybe-returned" [[A]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) "no-capture-maybe-returned" [[B]]) #[[ATTR23:[0-9]+]]
; TUNIT-NEXT: [[CALL1:%.*]] = call nonnull align 4 dereferenceable(4) ptr @passthrough_choice(i1 [[C]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) "no-capture-maybe-returned" [[B]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) "no-capture-maybe-returned" [[A]]) #[[ATTR23]]
; TUNIT-NEXT: call void @write_both(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[CALL]], ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[CALL1]]) #[[ATTR18]]
; TUNIT-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 4
; TUNIT-NEXT: [[TMP1:%.*]] = load i32, ptr [[B]], align 4
; TUNIT-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], [[TMP1]]
; TUNIT-NEXT: ret i32 [[ADD]]
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn
; CGSCC-LABEL: define {{[^@]+}}@may_access_after_return_choice
; CGSCC-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]], i1 [[C:%.*]]) #[[ATTR3]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[CALL:%.*]] = call nonnull align 4 dereferenceable(4) ptr @passthrough_choice(i1 [[C]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) [[A]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) [[B]]) #[[ATTR28:[0-9]+]]
; CGSCC-NEXT: [[CALL1:%.*]] = call nonnull align 4 dereferenceable(4) ptr @passthrough_choice(i1 [[C]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) [[B]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) [[A]]) #[[ATTR28]]
; CGSCC-NEXT: call void @write_both(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[CALL]], ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[CALL1]]) #[[ATTR21]]
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 4
; CGSCC-NEXT: [[TMP1:%.*]] = load i32, ptr [[B]], align 4
; CGSCC-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], [[TMP1]]
; CGSCC-NEXT: ret i32 [[ADD]]
;
entry:
%A = alloca i32, align 4
%B = alloca i32, align 4
%call = call ptr @passthrough_choice(i1 %c, ptr noundef %A, ptr noundef %B)
%call1 = call ptr @passthrough_choice(i1 %c, ptr noundef %B, ptr noundef %A)
call void @write_both(ptr noundef %call, ptr noundef %call1)
%0 = load i32, ptr %A, align 4
%1 = load i32, ptr %B, align 4
%add = add nsw i32 %0, %1
ret i32 %add
}
define internal ptr @passthrough_choice(i1 %c, ptr noundef %P, ptr noundef %Q) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@passthrough_choice
; CHECK-SAME: (i1 [[C:%.*]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) "no-capture-maybe-returned" [[P:%.*]], ptr noalias nofree noundef nonnull readnone align 4 dereferenceable(4) "no-capture-maybe-returned" [[Q:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], ptr [[P]], ptr [[Q]]
; CHECK-NEXT: ret ptr [[R]]
;
entry:
%R = select i1 %c, ptr %P, ptr %Q
ret ptr %R
}
; Verify we do not return 10.
define i32 @may_access_after_return_no_choice1(i32 noundef %N, i32 noundef %M) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@may_access_after_return_no_choice1
; TUNIT-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]]) #[[ATTR4]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 4
; TUNIT-NEXT: call void @write_both(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[A]], ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[B]]) #[[ATTR18]]
; TUNIT-NEXT: ret i32 8
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@may_access_after_return_no_choice1
; CGSCC-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]]) #[[ATTR16]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 4
; CGSCC-NEXT: call void @write_both(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[A]], ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[B]]) #[[ATTR21]]
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 4
; CGSCC-NEXT: [[TMP1:%.*]] = load i32, ptr [[B]], align 4
; CGSCC-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], [[TMP1]]
; CGSCC-NEXT: ret i32 [[ADD]]
;
entry:
%A = alloca i32, align 4
%B = alloca i32, align 4
%call = call ptr @passthrough_no_choice_true(i1 true, ptr noundef %A, ptr noundef %B)
%call1 = call ptr @passthrough_no_choice_true(i1 true, ptr noundef %B, ptr noundef %A)
call void @write_both(ptr noundef %call, ptr noundef %call1)
%0 = load i32, ptr %A, align 4
%1 = load i32, ptr %B, align 4
%add = add nsw i32 %0, %1
ret i32 %add
}
; Verify we do not return 10.
define i32 @may_access_after_return_no_choice2(i32 noundef %N, i32 noundef %M) {
; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@may_access_after_return_no_choice2
; TUNIT-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]]) #[[ATTR4]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 4
; TUNIT-NEXT: call void @write_both(ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[B]], ptr nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[A]]) #[[ATTR18]]
; TUNIT-NEXT: ret i32 8
;
; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@may_access_after_return_no_choice2
; CGSCC-SAME: (i32 noundef [[N:%.*]], i32 noundef [[M:%.*]]) #[[ATTR16]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 4
; CGSCC-NEXT: call void @write_both(ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[B]], ptr noalias nofree noundef nonnull writeonly align 4 captures(none) dereferenceable(4) [[A]]) #[[ATTR21]]
; CGSCC-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 4
; CGSCC-NEXT: [[TMP1:%.*]] = load i32, ptr [[B]], align 4
; CGSCC-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP0]], [[TMP1]]
; CGSCC-NEXT: ret i32 [[ADD]]
;
entry:
%A = alloca i32, align 4
%B = alloca i32, align 4
%call = call ptr @passthrough_no_choice_false(i1 false, ptr noundef %A, ptr noundef %B)
%call1 = call ptr @passthrough_no_choice_false(i1 false, ptr noundef %B, ptr noundef %A)
call void @write_both(ptr noundef %call, ptr noundef %call1)
%0 = load i32, ptr %A, align 4
%1 = load i32, ptr %B, align 4
%add = add nsw i32 %0, %1
ret i32 %add
}
define internal ptr @passthrough_no_choice_true(i1 %c, ptr noundef %P, ptr noundef %Q) {
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@passthrough_no_choice_true
; CGSCC-SAME: (ptr noalias nofree noundef nonnull readnone returned align 4 dereferenceable(4) "no-capture-maybe-returned" [[P:%.*]], i32 [[TMP0:%.*]]) #[[ATTR4]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[Q_PRIV:%.*]] = alloca i32, align 4
; CGSCC-NEXT: store i32 [[TMP0]], ptr [[Q_PRIV]], align 4
; CGSCC-NEXT: ret ptr [[P]]
;
entry:
%R = select i1 %c, ptr %P, ptr %Q
ret ptr %R
}
define internal ptr @passthrough_no_choice_false(i1 %c, ptr noundef %P, ptr noundef %Q) {
; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@passthrough_no_choice_false
; CGSCC-SAME: (i32 [[TMP0:%.*]], ptr noalias nofree noundef nonnull readnone returned align 4 dereferenceable(4) "no-capture-maybe-returned" [[Q:%.*]]) #[[ATTR4]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[P_PRIV:%.*]] = alloca i32, align 4
; CGSCC-NEXT: store i32 [[TMP0]], ptr [[P_PRIV]], align 4
; CGSCC-NEXT: ret ptr [[Q]]
;
entry:
%R = select i1 %c, ptr %P, ptr %Q
ret ptr %R
}
define ptr @move2(ptr %p) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@move2
; CHECK-SAME: (ptr nofree readnone "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: [[G:%.*]] = getelementptr i8, ptr [[P]], i32 2
; CHECK-NEXT: ret ptr [[G]]
;
%g = getelementptr i8, ptr %p, i32 2
ret ptr %g
}
define internal ptr @move4(ptr %p) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@move4
; CHECK-SAME: (ptr noalias nofree readnone "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: [[G:%.*]] = getelementptr i8, ptr [[P]], i32 4
; CHECK-NEXT: ret ptr [[G]]
;
%g = getelementptr i8, ptr %p, i32 4
ret ptr %g
}
define ptr @move246(i32 %i, ptr %p) {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@move246
; CHECK-SAME: (i32 [[I:%.*]], ptr nofree readnone "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR4]] {
; CHECK-NEXT: [[C0:%.*]] = icmp eq i32 [[I]], 0
; CHECK-NEXT: br i1 [[C0]], label [[BG2:%.*]], label [[BG46:%.*]]
; CHECK: bg2:
; CHECK-NEXT: [[G2:%.*]] = getelementptr i8, ptr [[P]], i32 2
; CHECK-NEXT: ret ptr [[G2]]
; CHECK: bg46:
; CHECK-NEXT: [[C1:%.*]] = icmp eq i32 [[I]], 1
; CHECK-NEXT: br i1 [[C1]], label [[BG4:%.*]], label [[BG6:%.*]]
; CHECK: bg4:
; CHECK-NEXT: [[G4:%.*]] = getelementptr i8, ptr [[P]], i32 4
; CHECK-NEXT: ret ptr [[G4]]
; CHECK: bg6:
; CHECK-NEXT: [[G6:%.*]] = getelementptr i8, ptr [[P]], i32 6
; CHECK-NEXT: ret ptr [[G6]]
;
%c0 = icmp eq i32 %i, 0
br i1 %c0, label %bg2, label %bg46
bg2:
%g2 = getelementptr i8, ptr %p, i32 2
ret ptr %g2
bg46:
%c1 = icmp eq i32 %i, 1
br i1 %c1, label %bg4, label %bg6
bg4:
%g4 = getelementptr i8, ptr %p, i32 4
ret ptr %g4
bg6:
%g6 = getelementptr i8, ptr %p, i32 6
ret ptr %g6
}
declare void @use3i8(i8, i8, i8)
define void @returnedPtrAccesses() {
; TUNIT-LABEL: define {{[^@]+}}@returnedPtrAccesses() {
; TUNIT-NEXT: [[A:%.*]] = alloca i64, align 8
; TUNIT-NEXT: [[A2:%.*]] = call ptr @move2(ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) "no-capture-maybe-returned" [[A]]) #[[ATTR23]]
; TUNIT-NEXT: [[A4:%.*]] = call ptr @move4(ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) "no-capture-maybe-returned" [[A]]) #[[ATTR23]]
; TUNIT-NEXT: [[A6:%.*]] = call ptr @move4(ptr noalias nofree readnone "no-capture-maybe-returned" [[A2]]) #[[ATTR23]]
; TUNIT-NEXT: store i8 2, ptr [[A2]], align 1
; TUNIT-NEXT: store i8 4, ptr [[A4]], align 1
; TUNIT-NEXT: store i8 6, ptr [[A6]], align 1
; TUNIT-NEXT: call void @use3i8(i8 2, i8 4, i8 6)
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@returnedPtrAccesses() {
; CGSCC-NEXT: [[A:%.*]] = alloca i64, align 8
; CGSCC-NEXT: [[A2:%.*]] = call nonnull dereferenceable(1) ptr @move2(ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) [[A]]) #[[ATTR20]]
; CGSCC-NEXT: [[A4:%.*]] = call ptr @move4(ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) [[A]]) #[[ATTR20]]
; CGSCC-NEXT: [[A6:%.*]] = call ptr @move4(ptr noalias nofree noundef nonnull readnone dereferenceable(1) [[A2]]) #[[ATTR20]]
; CGSCC-NEXT: [[G2:%.*]] = getelementptr i8, ptr [[A]], i32 2
; CGSCC-NEXT: [[G4:%.*]] = getelementptr i8, ptr [[A]], i32 4
; CGSCC-NEXT: [[G6:%.*]] = getelementptr i8, ptr [[A]], i32 6
; CGSCC-NEXT: store i8 2, ptr [[A2]], align 1
; CGSCC-NEXT: store i8 4, ptr [[A4]], align 1
; CGSCC-NEXT: store i8 6, ptr [[A6]], align 1
; CGSCC-NEXT: [[L2:%.*]] = load i8, ptr [[G2]], align 2
; CGSCC-NEXT: [[L4:%.*]] = load i8, ptr [[G4]], align 4
; CGSCC-NEXT: [[L6:%.*]] = load i8, ptr [[G6]], align 2
; CGSCC-NEXT: call void @use3i8(i8 [[L2]], i8 [[L4]], i8 [[L6]])
; CGSCC-NEXT: ret void
;
%a = alloca i64
%a2 = call ptr @move2(ptr %a)
%a4 = call ptr @move4(ptr %a)
%a6 = call ptr @move4(ptr %a2)
%g2 = getelementptr i8, ptr %a, i32 2
%g4 = getelementptr i8, ptr %a, i32 4
%g6 = getelementptr i8, ptr %a, i32 6
store i8 2, ptr %a2
store i8 4, ptr %a4
store i8 6, ptr %a6
%l2 = load i8, ptr %g2
%l4 = load i8, ptr %g4
%l6 = load i8, ptr %g6
call void @use3i8(i8 %l2, i8 %l4, i8 %l6)
ret void
}
define void @returnedPtrAccessesMultiple(i32 %i) {
; TUNIT-LABEL: define {{[^@]+}}@returnedPtrAccessesMultiple
; TUNIT-SAME: (i32 [[I:%.*]]) {
; TUNIT-NEXT: [[A:%.*]] = alloca i64, align 8
; TUNIT-NEXT: [[AP:%.*]] = call ptr @move246(i32 [[I]], ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) "no-capture-maybe-returned" [[A]]) #[[ATTR23]]
; TUNIT-NEXT: store i8 2, ptr [[AP]], align 1
; TUNIT-NEXT: call void @use3i8(i8 2, i8 2, i8 2)
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@returnedPtrAccessesMultiple
; CGSCC-SAME: (i32 [[I:%.*]]) {
; CGSCC-NEXT: [[A:%.*]] = alloca i64, align 8
; CGSCC-NEXT: [[AP:%.*]] = call ptr @move246(i32 [[I]], ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) [[A]]) #[[ATTR20]]
; CGSCC-NEXT: [[G2:%.*]] = getelementptr i8, ptr [[A]], i32 2
; CGSCC-NEXT: [[G4:%.*]] = getelementptr i8, ptr [[A]], i32 4
; CGSCC-NEXT: [[G6:%.*]] = getelementptr i8, ptr [[A]], i32 6
; CGSCC-NEXT: store i8 2, ptr [[AP]], align 1
; CGSCC-NEXT: [[L2:%.*]] = load i8, ptr [[G2]], align 2
; CGSCC-NEXT: [[L4:%.*]] = load i8, ptr [[G4]], align 4
; CGSCC-NEXT: [[L6:%.*]] = load i8, ptr [[G6]], align 2
; CGSCC-NEXT: call void @use3i8(i8 [[L2]], i8 [[L4]], i8 [[L6]])
; CGSCC-NEXT: ret void
;
%a = alloca i64
%ap = call ptr @move246(i32 %i, ptr %a)
%g2 = getelementptr i8, ptr %a, i32 2
%g4 = getelementptr i8, ptr %a, i32 4
%g6 = getelementptr i8, ptr %a, i32 6
store i8 2, ptr %ap
%l2 = load i8, ptr %g2
%l4 = load i8, ptr %g4
%l6 = load i8, ptr %g6
call void @use3i8(i8 %l2, i8 %l4, i8 %l6)
ret void
}
define void @returnedPtrAccessesMultiple2(i32 %i) {
; TUNIT-LABEL: define {{[^@]+}}@returnedPtrAccessesMultiple2
; TUNIT-SAME: (i32 [[I:%.*]]) {
; TUNIT-NEXT: [[A:%.*]] = alloca i64, align 8
; TUNIT-NEXT: [[G2:%.*]] = getelementptr i8, ptr [[A]], i32 2
; TUNIT-NEXT: [[G4:%.*]] = getelementptr i8, ptr [[A]], i32 4
; TUNIT-NEXT: [[G6:%.*]] = getelementptr i8, ptr [[A]], i32 6
; TUNIT-NEXT: store i8 0, ptr [[G2]], align 2
; TUNIT-NEXT: store i8 0, ptr [[G4]], align 4
; TUNIT-NEXT: store i8 0, ptr [[G6]], align 2
; TUNIT-NEXT: [[AP:%.*]] = call ptr @move246(i32 [[I]], ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) "no-capture-maybe-returned" [[A]]) #[[ATTR23]]
; TUNIT-NEXT: store i8 2, ptr [[AP]], align 1
; TUNIT-NEXT: [[L2:%.*]] = load i8, ptr [[G2]], align 2
; TUNIT-NEXT: [[L4:%.*]] = load i8, ptr [[G4]], align 4
; TUNIT-NEXT: [[L6:%.*]] = load i8, ptr [[G6]], align 2
; TUNIT-NEXT: call void @use3i8(i8 noundef [[L2]], i8 noundef [[L4]], i8 noundef [[L6]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@returnedPtrAccessesMultiple2
; CGSCC-SAME: (i32 [[I:%.*]]) {
; CGSCC-NEXT: [[A:%.*]] = alloca i64, align 8
; CGSCC-NEXT: [[G2:%.*]] = getelementptr i8, ptr [[A]], i32 2
; CGSCC-NEXT: [[G4:%.*]] = getelementptr i8, ptr [[A]], i32 4
; CGSCC-NEXT: [[G6:%.*]] = getelementptr i8, ptr [[A]], i32 6
; CGSCC-NEXT: store i8 0, ptr [[G2]], align 2
; CGSCC-NEXT: store i8 0, ptr [[G4]], align 4
; CGSCC-NEXT: store i8 0, ptr [[G6]], align 2
; CGSCC-NEXT: [[AP:%.*]] = call ptr @move246(i32 [[I]], ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(8) [[A]]) #[[ATTR20]]
; CGSCC-NEXT: store i8 2, ptr [[AP]], align 1
; CGSCC-NEXT: [[L2:%.*]] = load i8, ptr [[G2]], align 2
; CGSCC-NEXT: [[L4:%.*]] = load i8, ptr [[G4]], align 4
; CGSCC-NEXT: [[L6:%.*]] = load i8, ptr [[G6]], align 2
; CGSCC-NEXT: call void @use3i8(i8 [[L2]], i8 [[L4]], i8 [[L6]])
; CGSCC-NEXT: ret void
;
%a = alloca i64
%g2 = getelementptr i8, ptr %a, i32 2
%g4 = getelementptr i8, ptr %a, i32 4
%g6 = getelementptr i8, ptr %a, i32 6
store i8 0, ptr %g2
store i8 0, ptr %g4
store i8 0, ptr %g6
%ap = call ptr @move246(i32 %i, ptr %a)
store i8 2, ptr %ap
%l2 = load i8, ptr %g2
%l4 = load i8, ptr %g4
%l6 = load i8, ptr %g6
call void @use3i8(i8 %l2, i8 %l4, i8 %l6)
ret void
}
declare void @llvm.assume(i1 noundef)
!llvm.module.flags = !{!0, !1}
!llvm.ident = !{!2}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 7, !"uwtable", i32 1}
!2 = !{!"clang version 13.0.0"}
!3 = !{!4, !4, i64 0}
!4 = !{!"int", !5, i64 0}
!5 = !{!"omnipotent char", !6, i64 0}
!6 = !{!"Simple C/C++ TBAA"}
!7 = !{!8, !9, i64 12}
!8 = !{!"S", !4, i64 0, !4, i64 4, !4, i64 8, !9, i64 12, !9, i64 16, !9, i64 20}
!9 = !{!"float", !5, i64 0}
!10 = !{!8, !9, i64 16}
!11 = !{!8, !9, i64 20}
!12 = !{!8, !4, i64 0}
!13 = !{!8, !4, i64 4}
!14 = !{!8, !4, i64 8}
!15 = !{!5, !5, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = !{!9, !9, i64 0}
!19 = distinct !{!19, !17}
!20 = !{!21, !21, i64 0}
!21 = !{!"long long", !5, i64 0}
!22 = distinct !{!22, !17}
!23 = distinct !{!23, !17}
!24 = distinct !{!24, !17}
!25 = distinct !{!25, !17}
!26 = distinct !{!26, !17}
!27 = distinct !{!27, !17}
!28 = distinct !{!28, !17}
!29 = distinct !{!29, !17}
!30 = distinct !{!30, !17}
!31 = distinct !{!31, !17}
;.
; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
; TUNIT: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) }
; TUNIT: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
; TUNIT: attributes #[[ATTR3]] = { mustprogress nofree norecurse nosync nounwind willreturn }
; TUNIT: attributes #[[ATTR4]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR5]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) }
; TUNIT: attributes #[[ATTR6]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) }
; TUNIT: attributes #[[ATTR7]] = { nofree norecurse nosync nounwind memory(write) }
; TUNIT: attributes #[[ATTR8:[0-9]+]] = { allockind("alloc,uninitialized") allocsize(0) "alloc-family"="malloc" }
; TUNIT: attributes #[[ATTR9:[0-9]+]] = { allockind("free") "alloc-family"="malloc" }
; TUNIT: attributes #[[ATTR10:[0-9]+]] = { allockind("alloc,zeroed") allocsize(0,1) "alloc-family"="malloc" }
; TUNIT: attributes #[[ATTR11]] = { mustprogress nofree norecurse nosync nounwind willreturn uwtable }
; TUNIT: attributes #[[ATTR12]] = { nofree nosync nounwind memory(argmem: readwrite) }
; TUNIT: attributes #[[ATTR13]] = { nofree norecurse nosync nounwind memory(none) }
; TUNIT: attributes #[[ATTR14]] = { nofree nosync nounwind }
; TUNIT: attributes #[[ATTR15:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
; TUNIT: attributes #[[ATTR16:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
; TUNIT: attributes #[[ATTR17]] = { nofree willreturn }
; TUNIT: attributes #[[ATTR18]] = { nofree nosync nounwind willreturn memory(write) }
; TUNIT: attributes #[[ATTR19]] = { nocallback }
; TUNIT: attributes #[[ATTR20]] = { norecurse }
; TUNIT: attributes #[[ATTR21]] = { nounwind }
; TUNIT: attributes #[[ATTR22]] = { nofree nosync nounwind willreturn }
; TUNIT: attributes #[[ATTR23]] = { nofree nosync nounwind willreturn memory(none) }
;.
; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree nosync nounwind willreturn memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR3]] = { mustprogress nofree nosync nounwind willreturn }
; CGSCC: attributes #[[ATTR4]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR5]] = { mustprogress nofree norecurse nosync nounwind willreturn }
; CGSCC: attributes #[[ATTR6]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) }
; CGSCC: attributes #[[ATTR7]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) }
; CGSCC: attributes #[[ATTR8]] = { nofree norecurse nosync nounwind memory(write) }
; CGSCC: attributes #[[ATTR9:[0-9]+]] = { allockind("alloc,uninitialized") allocsize(0) "alloc-family"="malloc" }
; CGSCC: attributes #[[ATTR10:[0-9]+]] = { allockind("free") "alloc-family"="malloc" }
; CGSCC: attributes #[[ATTR11:[0-9]+]] = { allockind("alloc,zeroed") allocsize(0,1) "alloc-family"="malloc" }
; CGSCC: attributes #[[ATTR12]] = { mustprogress nofree norecurse nosync nounwind willreturn uwtable }
; CGSCC: attributes #[[ATTR13]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR14]] = { nofree nosync nounwind memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR15]] = { nofree nosync nounwind memory(none) }
; CGSCC: attributes #[[ATTR16]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR17]] = { nofree nosync nounwind }
; CGSCC: attributes #[[ATTR18:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
; CGSCC: attributes #[[ATTR19:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
; CGSCC: attributes #[[ATTR20]] = { nofree willreturn }
; CGSCC: attributes #[[ATTR21]] = { nofree nounwind willreturn memory(write) }
; CGSCC: attributes #[[ATTR22]] = { nocallback }
; CGSCC: attributes #[[ATTR23]] = { norecurse }
; CGSCC: attributes #[[ATTR24]] = { nounwind }
; CGSCC: attributes #[[ATTR25]] = { nofree nounwind }
; CGSCC: attributes #[[ATTR26]] = { nofree nounwind willreturn }
; CGSCC: attributes #[[ATTR27]] = { nofree }
; CGSCC: attributes #[[ATTR28]] = { nofree nosync willreturn }
;.
; TUNIT: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
; TUNIT: [[META1:![0-9]+]] = !{i32 7, !"uwtable", i32 1}
; TUNIT: [[META2:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
; TUNIT: [[TBAA3]] = !{[[META4:![0-9]+]], [[META4]], i64 0}
; TUNIT: [[META4]] = !{!"int", [[META5:![0-9]+]], i64 0}
; TUNIT: [[META5]] = !{!"omnipotent char", [[META6:![0-9]+]], i64 0}
; TUNIT: [[META6]] = !{!"Simple C/C++ TBAA"}
; TUNIT: [[TBAA7]] = !{[[META8:![0-9]+]], [[META9:![0-9]+]], i64 12}
; TUNIT: [[META8]] = !{!"S", [[META4]], i64 0, [[META4]], i64 4, [[META4]], i64 8, [[META9]], i64 12, [[META9]], i64 16, [[META9]], i64 20}
; TUNIT: [[META9]] = !{!"float", [[META5]], i64 0}
; TUNIT: [[TBAA10]] = !{[[META8]], [[META9]], i64 16}
; TUNIT: [[TBAA11]] = !{[[META8]], [[META9]], i64 20}
; TUNIT: [[TBAA12]] = !{[[META8]], [[META4]], i64 0}
; TUNIT: [[TBAA13]] = !{[[META8]], [[META4]], i64 4}
; TUNIT: [[TBAA14]] = !{[[META8]], [[META4]], i64 8}
; TUNIT: [[LOOP15]] = distinct !{[[LOOP15]], [[META16:![0-9]+]]}
; TUNIT: [[META16]] = !{!"llvm.loop.mustprogress"}
; TUNIT: [[LOOP17]] = distinct !{[[LOOP17]], [[META16]]}
; TUNIT: [[LOOP18]] = distinct !{[[LOOP18]], [[META16]]}
; TUNIT: [[TBAA19]] = !{[[META5]], [[META5]], i64 0}
; TUNIT: [[LOOP20]] = distinct !{[[LOOP20]], [[META16]]}
; TUNIT: [[LOOP21]] = distinct !{[[LOOP21]], [[META16]]}
; TUNIT: [[LOOP22]] = distinct !{[[LOOP22]], [[META16]]}
; TUNIT: [[LOOP23]] = distinct !{[[LOOP23]], [[META16]]}
; TUNIT: [[LOOP24]] = distinct !{[[LOOP24]], [[META16]]}
; TUNIT: [[LOOP25]] = distinct !{[[LOOP25]], [[META16]]}
; TUNIT: [[TBAA26]] = !{[[META9]], [[META9]], i64 0}
; TUNIT: [[LOOP27]] = distinct !{[[LOOP27]], [[META16]]}
; TUNIT: [[TBAA28]] = !{[[META29:![0-9]+]], [[META29]], i64 0}
; TUNIT: [[META29]] = !{!"long long", [[META5]], i64 0}
; TUNIT: [[LOOP30]] = distinct !{[[LOOP30]], [[META16]]}
; TUNIT: [[LOOP31]] = distinct !{[[LOOP31]], [[META16]]}
;.
; CGSCC: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
; CGSCC: [[META1:![0-9]+]] = !{i32 7, !"uwtable", i32 1}
; CGSCC: [[META2:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
; CGSCC: [[TBAA3]] = !{[[META4:![0-9]+]], [[META4]], i64 0}
; CGSCC: [[META4]] = !{!"int", [[META5:![0-9]+]], i64 0}
; CGSCC: [[META5]] = !{!"omnipotent char", [[META6:![0-9]+]], i64 0}
; CGSCC: [[META6]] = !{!"Simple C/C++ TBAA"}
; CGSCC: [[TBAA7]] = !{[[META8:![0-9]+]], [[META9:![0-9]+]], i64 12}
; CGSCC: [[META8]] = !{!"S", [[META4]], i64 0, [[META4]], i64 4, [[META4]], i64 8, [[META9]], i64 12, [[META9]], i64 16, [[META9]], i64 20}
; CGSCC: [[META9]] = !{!"float", [[META5]], i64 0}
; CGSCC: [[TBAA10]] = !{[[META8]], [[META9]], i64 16}
; CGSCC: [[TBAA11]] = !{[[META8]], [[META9]], i64 20}
; CGSCC: [[TBAA12]] = !{[[META8]], [[META4]], i64 0}
; CGSCC: [[TBAA13]] = !{[[META8]], [[META4]], i64 4}
; CGSCC: [[TBAA14]] = !{[[META8]], [[META4]], i64 8}
; CGSCC: [[TBAA15]] = !{[[META5]], [[META5]], i64 0}
; CGSCC: [[LOOP16]] = distinct !{[[LOOP16]], [[META17:![0-9]+]]}
; CGSCC: [[META17]] = !{!"llvm.loop.mustprogress"}
; CGSCC: [[TBAA18]] = !{[[META9]], [[META9]], i64 0}
; CGSCC: [[LOOP19]] = distinct !{[[LOOP19]], [[META17]]}
; CGSCC: [[TBAA20]] = !{[[META21:![0-9]+]], [[META21]], i64 0}
; CGSCC: [[META21]] = !{!"long long", [[META5]], i64 0}
; CGSCC: [[LOOP22]] = distinct !{[[LOOP22]], [[META17]]}
; CGSCC: [[LOOP23]] = distinct !{[[LOOP23]], [[META17]]}
; CGSCC: [[LOOP24]] = distinct !{[[LOOP24]], [[META17]]}
; CGSCC: [[LOOP25]] = distinct !{[[LOOP25]], [[META17]]}
; CGSCC: [[LOOP26]] = distinct !{[[LOOP26]], [[META17]]}
; CGSCC: [[LOOP27]] = distinct !{[[LOOP27]], [[META17]]}
; CGSCC: [[LOOP28]] = distinct !{[[LOOP28]], [[META17]]}
; CGSCC: [[LOOP29]] = distinct !{[[LOOP29]], [[META17]]}
; CGSCC: [[LOOP30]] = distinct !{[[LOOP30]], [[META17]]}
; CGSCC: [[LOOP31]] = distinct !{[[LOOP31]], [[META17]]}
;.