| ; 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 |
| |
| |
| @x = global i32 0 |
| |
| declare void @test1_1(ptr %x1_1, ptr readonly %y1_1, ...) |
| |
| ; NOTE: readonly for %y1_2 would be OK here but not for the similar situation in test13. |
| ; |
| ;. |
| ; CHECK: @[[X:[a-zA-Z0-9_$"\\.-]+]] = global i32 0 |
| ; CHECK: @[[CONSTANT_MEM:[a-zA-Z0-9_$"\\.-]+]] = external dso_local constant i32, align 4 |
| ;. |
| define void @test1_2(ptr %x1_2, ptr %y1_2, ptr %z1_2) { |
| ; CHECK-LABEL: define {{[^@]+}}@test1_2 |
| ; CHECK-SAME: (ptr [[X1_2:%.*]], ptr nofree [[Y1_2:%.*]], ptr [[Z1_2:%.*]]) { |
| ; CHECK-NEXT: call void (ptr, ptr, ...) @test1_1(ptr [[X1_2]], ptr nofree readonly [[Y1_2]], ptr [[Z1_2]]) |
| ; CHECK-NEXT: store i32 0, ptr @x, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| call void (ptr, ptr, ...) @test1_1(ptr %x1_2, ptr %y1_2, ptr %z1_2) |
| store i32 0, ptr @x |
| ret void |
| } |
| |
| define ptr @test2(ptr %p) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; CHECK-LABEL: define {{[^@]+}}@test2 |
| ; CHECK-SAME: (ptr nofree readnone returned "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: store i32 0, ptr @x, align 4 |
| ; CHECK-NEXT: ret ptr [[P]] |
| ; |
| store i32 0, ptr @x |
| ret ptr %p |
| } |
| |
| define i1 @test3(ptr %p, ptr %q) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@test3 |
| ; CHECK-SAME: (ptr nofree readnone [[P:%.*]], ptr nofree readnone [[Q:%.*]]) #[[ATTR1:[0-9]+]] { |
| ; CHECK-NEXT: [[A:%.*]] = icmp ult ptr [[P]], [[Q]] |
| ; CHECK-NEXT: ret i1 [[A]] |
| ; |
| %A = icmp ult ptr %p, %q |
| ret i1 %A |
| } |
| |
| declare void @test4_1(ptr nocapture) readonly |
| |
| define void @test4_2(ptr %p) { |
| ; CHECK: Function Attrs: nosync memory(read) |
| ; CHECK-LABEL: define {{[^@]+}}@test4_2 |
| ; CHECK-SAME: (ptr nocapture readonly [[P:%.*]]) #[[ATTR3:[0-9]+]] { |
| ; CHECK-NEXT: call void @test4_1(ptr nocapture readonly [[P]]) #[[ATTR3]] |
| ; CHECK-NEXT: ret void |
| ; |
| call void @test4_1(ptr %p) |
| ret void |
| } |
| |
| ; Missed optz'n: we could make %q readnone, but don't break test6! |
| define void @test5(ptr %p, ptr %q) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; CHECK-LABEL: define {{[^@]+}}@test5 |
| ; CHECK-SAME: (ptr nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[P:%.*]], ptr nofree writeonly [[Q:%.*]]) #[[ATTR4:[0-9]+]] { |
| ; CHECK-NEXT: store ptr [[Q]], ptr [[P]], align 8 |
| ; CHECK-NEXT: ret void |
| ; |
| store ptr %q, ptr %p |
| ret void |
| } |
| |
| declare void @test6_1() |
| ; This is not a missed optz'n. |
| define void @test6_2(ptr %p, ptr %q) { |
| ; CHECK-LABEL: define {{[^@]+}}@test6_2 |
| ; CHECK-SAME: (ptr nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[P:%.*]], ptr nofree [[Q:%.*]]) { |
| ; CHECK-NEXT: store ptr [[Q]], ptr [[P]], align 8 |
| ; CHECK-NEXT: call void @test6_1() |
| ; CHECK-NEXT: ret void |
| ; |
| store ptr %q, ptr %p |
| call void @test6_1() |
| ret void |
| } |
| |
| ; inalloca parameters are always considered written |
| define void @test7_1(ptr inalloca(i32) %a) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@test7_1 |
| ; CHECK-SAME: (ptr nocapture nofree nonnull writeonly inalloca(i32) dereferenceable(4) [[A:%.*]]) #[[ATTR1]] { |
| ; CHECK-NEXT: ret void |
| ; |
| ret void |
| } |
| |
| define ptr @test8_1(ptr %p) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@test8_1 |
| ; CHECK-SAME: (ptr nofree readnone returned "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR1]] { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: ret ptr [[P]] |
| ; |
| entry: |
| ret ptr %p |
| } |
| |
| define void @test8_2(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test8_2 |
| ; TUNIT-SAME: (ptr nocapture nofree writeonly [[P:%.*]]) #[[ATTR4]] { |
| ; TUNIT-NEXT: entry: |
| ; TUNIT-NEXT: store i32 10, ptr [[P]], align 4 |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(argmem: write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test8_2 |
| ; CGSCC-SAME: (ptr nofree writeonly [[P:%.*]]) #[[ATTR5:[0-9]+]] { |
| ; CGSCC-NEXT: entry: |
| ; CGSCC-NEXT: [[CALL:%.*]] = call align 4 ptr @test8_1(ptr noalias nofree readnone [[P]]) #[[ATTR17:[0-9]+]] |
| ; CGSCC-NEXT: store i32 10, ptr [[CALL]], align 4 |
| ; CGSCC-NEXT: ret void |
| ; |
| entry: |
| %call = call ptr @test8_1(ptr %p) |
| store i32 10, ptr %call, align 4 |
| ret void |
| } |
| |
| ; CHECK: declare void @llvm.masked.scatter |
| declare void @llvm.masked.scatter.v4i32.v4p0(<4 x i32>%val, <4 x ptr>, i32, <4 x i1>) |
| |
| ; CHECK-NOT: readnone |
| ; CHECK-NOT: readonly |
| define void @test9(<4 x ptr> %ptrs, <4 x i32>%val) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; TUNIT-LABEL: define {{[^@]+}}@test9 |
| ; TUNIT-SAME: (<4 x ptr> [[PTRS:%.*]], <4 x i32> [[VAL:%.*]]) #[[ATTR0]] { |
| ; TUNIT-NEXT: call void @llvm.masked.scatter.v4i32.v4p0(<4 x i32> [[VAL]], <4 x ptr> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>) #[[ATTR16:[0-9]+]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(write) |
| ; CGSCC-LABEL: define {{[^@]+}}@test9 |
| ; CGSCC-SAME: (<4 x ptr> [[PTRS:%.*]], <4 x i32> [[VAL:%.*]]) #[[ATTR0]] { |
| ; CGSCC-NEXT: call void @llvm.masked.scatter.v4i32.v4p0(<4 x i32> [[VAL]], <4 x ptr> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>) #[[ATTR18:[0-9]+]] |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @llvm.masked.scatter.v4i32.v4p0(<4 x i32>%val, <4 x ptr> %ptrs, i32 4, <4 x i1><i1 true, i1 false, i1 true, i1 false>) |
| ret void |
| } |
| |
| ; CHECK: declare <4 x i32> @llvm.masked.gather |
| declare <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr>, i32, <4 x i1>, <4 x i32>) |
| define <4 x i32> @test10(<4 x ptr> %ptrs) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@test10 |
| ; TUNIT-SAME: (<4 x ptr> [[PTRS:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; TUNIT-NEXT: [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>, <4 x i32> undef) #[[ATTR17:[0-9]+]] |
| ; TUNIT-NEXT: ret <4 x i32> [[RES]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@test10 |
| ; CGSCC-SAME: (<4 x ptr> [[PTRS:%.*]]) #[[ATTR8:[0-9]+]] { |
| ; CGSCC-NEXT: [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>, <4 x i32> undef) #[[ATTR19:[0-9]+]] |
| ; CGSCC-NEXT: ret <4 x i32> [[RES]] |
| ; |
| %res = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %ptrs, i32 4, <4 x i1><i1 true, i1 false, i1 true, i1 false>, <4 x i32>undef) |
| ret <4 x i32> %res |
| } |
| |
| ; CHECK: declare <4 x i32> @test11_1 |
| declare <4 x i32> @test11_1(<4 x ptr>) argmemonly nounwind readonly |
| define <4 x i32> @test11_2(<4 x ptr> %ptrs) { |
| ; TUNIT: Function Attrs: nosync nounwind memory(argmem: read) |
| ; TUNIT-LABEL: define {{[^@]+}}@test11_2 |
| ; TUNIT-SAME: (<4 x ptr> [[PTRS:%.*]]) #[[ATTR9:[0-9]+]] { |
| ; TUNIT-NEXT: [[RES:%.*]] = call <4 x i32> @test11_1(<4 x ptr> [[PTRS]]) #[[ATTR15:[0-9]+]] |
| ; TUNIT-NEXT: ret <4 x i32> [[RES]] |
| ; |
| ; CGSCC: Function Attrs: nosync nounwind memory(argmem: read) |
| ; CGSCC-LABEL: define {{[^@]+}}@test11_2 |
| ; CGSCC-SAME: (<4 x ptr> [[PTRS:%.*]]) #[[ATTR10:[0-9]+]] { |
| ; CGSCC-NEXT: [[RES:%.*]] = call <4 x i32> @test11_1(<4 x ptr> [[PTRS]]) #[[ATTR16:[0-9]+]] |
| ; CGSCC-NEXT: ret <4 x i32> [[RES]] |
| ; |
| %res = call <4 x i32> @test11_1(<4 x ptr> %ptrs) |
| ret <4 x i32> %res |
| } |
| |
| declare <4 x i32> @test12_1(<4 x ptr>) argmemonly nounwind |
| ; CHECK-NOT: readnone |
| define <4 x i32> @test12_2(<4 x ptr> %ptrs) { |
| ; TUNIT: Function Attrs: nounwind memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@test12_2 |
| ; TUNIT-SAME: (<4 x ptr> [[PTRS:%.*]]) #[[ATTR10:[0-9]+]] { |
| ; TUNIT-NEXT: [[RES:%.*]] = call <4 x i32> @test12_1(<4 x ptr> [[PTRS]]) #[[ATTR18:[0-9]+]] |
| ; TUNIT-NEXT: ret <4 x i32> [[RES]] |
| ; |
| ; CGSCC: Function Attrs: nounwind memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@test12_2 |
| ; CGSCC-SAME: (<4 x ptr> [[PTRS:%.*]]) #[[ATTR11:[0-9]+]] { |
| ; CGSCC-NEXT: [[RES:%.*]] = call <4 x i32> @test12_1(<4 x ptr> [[PTRS]]) #[[ATTR20:[0-9]+]] |
| ; CGSCC-NEXT: ret <4 x i32> [[RES]] |
| ; |
| %res = call <4 x i32> @test12_1(<4 x ptr> %ptrs) |
| ret <4 x i32> %res |
| } |
| |
| define i32 @volatile_load(ptr %p) { |
| ; TUNIT: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; TUNIT-LABEL: define {{[^@]+}}@volatile_load |
| ; TUNIT-SAME: (ptr nofree noundef align 4 [[P:%.*]]) #[[ATTR11:[0-9]+]] { |
| ; TUNIT-NEXT: [[LOAD:%.*]] = load volatile i32, ptr [[P]], align 4 |
| ; TUNIT-NEXT: ret i32 [[LOAD]] |
| ; |
| ; CGSCC: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) |
| ; CGSCC-LABEL: define {{[^@]+}}@volatile_load |
| ; CGSCC-SAME: (ptr nofree noundef align 4 [[P:%.*]]) #[[ATTR12:[0-9]+]] { |
| ; CGSCC-NEXT: [[LOAD:%.*]] = load volatile i32, ptr [[P]], align 4 |
| ; CGSCC-NEXT: ret i32 [[LOAD]] |
| ; |
| %load = load volatile i32, ptr %p |
| ret i32 %load |
| } |
| |
| declare void @escape_readnone_ptr(ptr %addr, ptr readnone %ptr) |
| declare void @escape_readonly_ptr(ptr %addr, ptr readonly %ptr) |
| |
| ; The argument pointer %escaped_then_written cannot be marked readnone/only even |
| ; though the only direct use, in @escape_readnone_ptr/@escape_readonly_ptr, |
| ; is marked as readnone/only. However, the functions can write the pointer into |
| ; %addr, causing the store to write to %escaped_then_written. |
| ; |
| define void @unsound_readnone(ptr %ignored, ptr %escaped_then_written) { |
| ; CHECK-LABEL: define {{[^@]+}}@unsound_readnone |
| ; CHECK-SAME: (ptr nocapture nofree readnone [[IGNORED:%.*]], ptr nofree [[ESCAPED_THEN_WRITTEN:%.*]]) { |
| ; CHECK-NEXT: [[ADDR:%.*]] = alloca ptr, align 8 |
| ; CHECK-NEXT: call void @escape_readnone_ptr(ptr noundef nonnull align 8 dereferenceable(8) [[ADDR]], ptr noalias nofree readnone [[ESCAPED_THEN_WRITTEN]]) |
| ; CHECK-NEXT: [[ADDR_LD:%.*]] = load ptr, ptr [[ADDR]], align 8 |
| ; CHECK-NEXT: store i8 0, ptr [[ADDR_LD]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| %addr = alloca ptr |
| call void @escape_readnone_ptr(ptr %addr, ptr %escaped_then_written) |
| %addr.ld = load ptr, ptr %addr |
| store i8 0, ptr %addr.ld |
| ret void |
| } |
| |
| define void @unsound_readonly(ptr %ignored, ptr %escaped_then_written) { |
| ; CHECK-LABEL: define {{[^@]+}}@unsound_readonly |
| ; CHECK-SAME: (ptr nocapture nofree readnone [[IGNORED:%.*]], ptr nofree [[ESCAPED_THEN_WRITTEN:%.*]]) { |
| ; CHECK-NEXT: [[ADDR:%.*]] = alloca ptr, align 8 |
| ; CHECK-NEXT: call void @escape_readonly_ptr(ptr noundef nonnull align 8 dereferenceable(8) [[ADDR]], ptr nofree readonly [[ESCAPED_THEN_WRITTEN]]) |
| ; CHECK-NEXT: [[ADDR_LD:%.*]] = load ptr, ptr [[ADDR]], align 8 |
| ; CHECK-NEXT: store i8 0, ptr [[ADDR_LD]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| %addr = alloca ptr |
| call void @escape_readonly_ptr(ptr %addr, ptr %escaped_then_written) |
| %addr.ld = load ptr, ptr %addr |
| store i8 0, ptr %addr.ld |
| ret void |
| } |
| |
| ; Byval but not readonly/none tests |
| ; |
| ;{ |
| declare void @escape_i8(ptr %ptr) |
| |
| define void @byval_not_readonly_1(ptr byval(i8) %written) readonly { |
| ; CHECK: Function Attrs: nosync memory(read) |
| ; CHECK-LABEL: define {{[^@]+}}@byval_not_readonly_1 |
| ; CHECK-SAME: (ptr noalias nonnull byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR3]] { |
| ; CHECK-NEXT: call void @escape_i8(ptr nonnull dereferenceable(1) [[WRITTEN]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @escape_i8(ptr %written) |
| ret void |
| } |
| |
| define void @byval_not_readonly_2(ptr byval(i8) %written) readonly { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@byval_not_readonly_2 |
| ; CHECK-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR1]] { |
| ; CHECK-NEXT: store i8 0, ptr [[WRITTEN]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| store i8 0, ptr %written |
| ret void |
| } |
| |
| define void @byval_not_readnone_1(ptr byval(i8) %written) readnone { |
| ; TUNIT: Function Attrs: nosync memory(none) |
| ; TUNIT-LABEL: define {{[^@]+}}@byval_not_readnone_1 |
| ; TUNIT-SAME: (ptr noalias nonnull byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR12:[0-9]+]] { |
| ; TUNIT-NEXT: call void @escape_i8(ptr nonnull dereferenceable(1) [[WRITTEN]]) |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nosync memory(none) |
| ; CGSCC-LABEL: define {{[^@]+}}@byval_not_readnone_1 |
| ; CGSCC-SAME: (ptr noalias nonnull byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR13:[0-9]+]] { |
| ; CGSCC-NEXT: call void @escape_i8(ptr nonnull dereferenceable(1) [[WRITTEN]]) |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @escape_i8(ptr %written) |
| ret void |
| } |
| |
| define void @byval_not_readnone_2(ptr byval(i8) %written) readnone { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@byval_not_readnone_2 |
| ; CHECK-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR1]] { |
| ; CHECK-NEXT: store i8 0, ptr [[WRITTEN]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| store i8 0, ptr %written |
| ret void |
| } |
| |
| define void @byval_no_fnarg(ptr byval(i8) %written) { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) |
| ; CHECK-LABEL: define {{[^@]+}}@byval_no_fnarg |
| ; CHECK-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR4]] { |
| ; CHECK-NEXT: store i8 0, ptr [[WRITTEN]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| store i8 0, ptr %written |
| ret void |
| } |
| |
| define void @testbyval(ptr %read_only) { |
| ; TUNIT: Function Attrs: nosync |
| ; TUNIT-LABEL: define {{[^@]+}}@testbyval |
| ; TUNIT-SAME: (ptr nocapture nonnull readonly [[READ_ONLY:%.*]]) #[[ATTR13:[0-9]+]] { |
| ; TUNIT-NEXT: call void @byval_not_readonly_1(ptr noalias nocapture nonnull readonly byval(i8) [[READ_ONLY]]) #[[ATTR3]] |
| ; TUNIT-NEXT: call void @byval_not_readnone_1(ptr noalias nocapture nonnull readnone byval(i8) [[READ_ONLY]]) #[[ATTR13]] |
| ; TUNIT-NEXT: call void @byval_no_fnarg(ptr noalias nocapture nofree noundef nonnull readonly byval(i8) [[READ_ONLY]]) #[[ATTR19:[0-9]+]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nosync |
| ; CGSCC-LABEL: define {{[^@]+}}@testbyval |
| ; CGSCC-SAME: (ptr nocapture noundef nonnull readonly dereferenceable(1) [[READ_ONLY:%.*]]) #[[ATTR14:[0-9]+]] { |
| ; CGSCC-NEXT: call void @byval_not_readonly_1(ptr noalias nocapture noundef nonnull readonly byval(i8) dereferenceable(1) [[READ_ONLY]]) #[[ATTR2:[0-9]+]] |
| ; CGSCC-NEXT: call void @byval_not_readnone_1(ptr noalias nocapture noundef nonnull readnone byval(i8) dereferenceable(1) [[READ_ONLY]]) #[[ATTR14]] |
| ; CGSCC-NEXT: call void @byval_no_fnarg(ptr noalias nocapture nofree noundef nonnull readnone byval(i8) dereferenceable(1) [[READ_ONLY]]) #[[ATTR21:[0-9]+]] |
| ; CGSCC-NEXT: ret void |
| ; |
| call void @byval_not_readonly_1(ptr byval(i8) %read_only) |
| call void @byval_not_readonly_2(ptr byval(i8) %read_only) |
| call void @byval_not_readnone_1(ptr byval(i8) %read_only) |
| call void @byval_not_readnone_2(ptr byval(i8) %read_only) |
| call void @byval_no_fnarg(ptr byval(i8) %read_only) |
| ret void |
| } |
| ;} |
| |
| declare ptr @maybe_returned_ptr(ptr readonly %ptr) readonly nounwind |
| declare i8 @maybe_returned_val(ptr %ptr) readonly nounwind |
| declare void @val_use(i8 %ptr) readonly nounwind |
| |
| define void @ptr_uses(ptr %ptr) { |
| ; TUNIT: Function Attrs: nosync nounwind memory(read) |
| ; TUNIT-LABEL: define {{[^@]+}}@ptr_uses |
| ; TUNIT-SAME: (ptr nocapture nofree readonly [[PTR:%.*]]) #[[ATTR15]] { |
| ; TUNIT-NEXT: [[CALL_PTR:%.*]] = call ptr @maybe_returned_ptr(ptr nofree readonly [[PTR]]) #[[ATTR15]] |
| ; TUNIT-NEXT: [[CALL_VAL:%.*]] = call i8 @maybe_returned_val(ptr readonly [[CALL_PTR]]) #[[ATTR15]] |
| ; TUNIT-NEXT: ret void |
| ; |
| ; CGSCC: Function Attrs: nosync nounwind memory(read) |
| ; CGSCC-LABEL: define {{[^@]+}}@ptr_uses |
| ; CGSCC-SAME: (ptr nocapture nofree readonly [[PTR:%.*]]) #[[ATTR16]] { |
| ; CGSCC-NEXT: [[CALL_PTR:%.*]] = call ptr @maybe_returned_ptr(ptr nofree readonly [[PTR]]) #[[ATTR16]] |
| ; CGSCC-NEXT: [[CALL_VAL:%.*]] = call i8 @maybe_returned_val(ptr readonly [[CALL_PTR]]) #[[ATTR16]] |
| ; CGSCC-NEXT: ret void |
| ; |
| %call_ptr = call ptr @maybe_returned_ptr(ptr %ptr) |
| %call_val = call i8 @maybe_returned_val(ptr %call_ptr) |
| call void @val_use(i8 %call_val) |
| ret void |
| } |
| |
| define void @ptr_use_chain(ptr %ptr) { |
| ; CHECK-LABEL: define {{[^@]+}}@ptr_use_chain |
| ; CHECK-SAME: (ptr [[PTR:%.*]]) { |
| ; CHECK-NEXT: call void @escape_i8(ptr [[PTR]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @escape_i8(ptr %ptr) |
| ret void |
| } |
| |
| @constant_mem = external dso_local constant i32, align 4 |
| define i32 @read_only_constant_mem() { |
| ; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) |
| ; CHECK-LABEL: define {{[^@]+}}@read_only_constant_mem |
| ; CHECK-SAME: () #[[ATTR1]] { |
| ; CHECK-NEXT: [[L:%.*]] = load i32, ptr @constant_mem, align 4 |
| ; CHECK-NEXT: ret i32 [[L]] |
| ; |
| %l = load i32, ptr @constant_mem |
| ret i32 %l |
| } |
| ;. |
| ; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) } |
| ; TUNIT: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } |
| ; TUNIT: attributes #[[ATTR2:[0-9]+]] = { memory(read) } |
| ; TUNIT: attributes #[[ATTR3]] = { nosync memory(read) } |
| ; TUNIT: attributes #[[ATTR4]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) } |
| ; TUNIT: attributes #[[ATTR5:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(write) } |
| ; TUNIT: attributes #[[ATTR6:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR7]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR8:[0-9]+]] = { nounwind memory(argmem: read) } |
| ; TUNIT: attributes #[[ATTR9]] = { nosync nounwind memory(argmem: read) } |
| ; TUNIT: attributes #[[ATTR10]] = { nounwind memory(argmem: readwrite) } |
| ; TUNIT: attributes #[[ATTR11]] = { mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) } |
| ; TUNIT: attributes #[[ATTR12]] = { nosync memory(none) } |
| ; TUNIT: attributes #[[ATTR13]] = { nosync } |
| ; TUNIT: attributes #[[ATTR14:[0-9]+]] = { nounwind memory(read) } |
| ; TUNIT: attributes #[[ATTR15]] = { nosync nounwind memory(read) } |
| ; TUNIT: attributes #[[ATTR16]] = { nofree willreturn memory(write) } |
| ; TUNIT: attributes #[[ATTR17]] = { nofree willreturn memory(read) } |
| ; TUNIT: attributes #[[ATTR18]] = { nounwind } |
| ; TUNIT: attributes #[[ATTR19]] = { nosync nounwind memory(write) } |
| ;. |
| ; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) } |
| ; CGSCC: attributes #[[ATTR2]] = { memory(read) } |
| ; CGSCC: attributes #[[ATTR3]] = { nosync memory(read) } |
| ; CGSCC: attributes #[[ATTR4]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) } |
| ; CGSCC: attributes #[[ATTR5]] = { mustprogress nofree nosync nounwind willreturn memory(argmem: write) } |
| ; CGSCC: attributes #[[ATTR6:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR7:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR8]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR9:[0-9]+]] = { nounwind memory(argmem: read) } |
| ; CGSCC: attributes #[[ATTR10]] = { nosync nounwind memory(argmem: read) } |
| ; CGSCC: attributes #[[ATTR11]] = { nounwind memory(argmem: readwrite) } |
| ; CGSCC: attributes #[[ATTR12]] = { mustprogress nofree norecurse nounwind willreturn memory(argmem: readwrite) } |
| ; CGSCC: attributes #[[ATTR13]] = { nosync memory(none) } |
| ; CGSCC: attributes #[[ATTR14]] = { nosync } |
| ; CGSCC: attributes #[[ATTR15:[0-9]+]] = { nounwind memory(read) } |
| ; CGSCC: attributes #[[ATTR16]] = { nosync nounwind memory(read) } |
| ; CGSCC: attributes #[[ATTR17]] = { nofree nosync willreturn } |
| ; CGSCC: attributes #[[ATTR18]] = { nofree willreturn memory(write) } |
| ; CGSCC: attributes #[[ATTR19]] = { nofree willreturn memory(read) } |
| ; CGSCC: attributes #[[ATTR20]] = { nounwind } |
| ; CGSCC: attributes #[[ATTR21]] = { nounwind memory(write) } |
| ;. |
