| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals |
| ; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM |
| ; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM |
| ; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM |
| |
| |
| @x = global i32 0 |
| |
| declare void @test1_1(i8* %x1_1, i8* 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(i8* %x1_2, i8* %y1_2, i8* %z1_2) { |
| ; CHECK-LABEL: define {{[^@]+}}@test1_2 |
| ; CHECK-SAME: (i8* [[X1_2:%.*]], i8* [[Y1_2:%.*]], i8* [[Z1_2:%.*]]) { |
| ; CHECK-NEXT: call void (i8*, i8*, ...) @test1_1(i8* [[X1_2]], i8* readonly [[Y1_2]], i8* [[Z1_2]]) |
| ; CHECK-NEXT: store i32 0, i32* @x, align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| call void (i8*, i8*, ...) @test1_1(i8* %x1_2, i8* %y1_2, i8* %z1_2) |
| store i32 0, i32* @x |
| ret void |
| } |
| |
| define i8* @test2(i8* %p) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn writeonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test2 |
| ; IS__TUNIT____-SAME: (i8* nofree readnone returned "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: store i32 0, i32* @x, align 4 |
| ; IS__TUNIT____-NEXT: ret i8* [[P]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test2 |
| ; IS__CGSCC____-SAME: (i8* nofree readnone returned "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: store i32 0, i32* @x, align 4 |
| ; IS__CGSCC____-NEXT: ret i8* [[P]] |
| ; |
| store i32 0, i32* @x |
| ret i8* %p |
| } |
| |
| define i1 @test3(i8* %p, i8* %q) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test3 |
| ; IS__TUNIT____-SAME: (i8* nofree readnone [[P:%.*]], i8* nofree readnone [[Q:%.*]]) #[[ATTR1:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: [[A:%.*]] = icmp ult i8* [[P]], [[Q]] |
| ; IS__TUNIT____-NEXT: ret i1 [[A]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test3 |
| ; IS__CGSCC____-SAME: (i8* nofree readnone [[P:%.*]], i8* nofree readnone [[Q:%.*]]) #[[ATTR1:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: [[A:%.*]] = icmp ult i8* [[P]], [[Q]] |
| ; IS__CGSCC____-NEXT: ret i1 [[A]] |
| ; |
| %A = icmp ult i8* %p, %q |
| ret i1 %A |
| } |
| |
| declare void @test4_1(i8* nocapture) readonly |
| |
| define void @test4_2(i8* %p) { |
| ; CHECK: Function Attrs: readonly |
| ; CHECK-LABEL: define {{[^@]+}}@test4_2 |
| ; CHECK-SAME: (i8* nocapture readonly [[P:%.*]]) #[[ATTR2:[0-9]+]] { |
| ; CHECK-NEXT: call void @test4_1(i8* nocapture readonly [[P]]) #[[ATTR2]] |
| ; CHECK-NEXT: ret void |
| ; |
| call void @test4_1(i8* %p) |
| ret void |
| } |
| |
| ; Missed optz'n: we could make %q readnone, but don't break test6! |
| define void @test5(i8** %p, i8* %q) { |
| ; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test5 |
| ; IS__TUNIT____-SAME: (i8** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[P:%.*]], i8* nofree writeonly [[Q:%.*]]) #[[ATTR3:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: store i8* [[Q]], i8** [[P]], align 8 |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test5 |
| ; IS__CGSCC____-SAME: (i8** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[P:%.*]], i8* nofree writeonly [[Q:%.*]]) #[[ATTR3:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: store i8* [[Q]], i8** [[P]], align 8 |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| store i8* %q, i8** %p |
| ret void |
| } |
| |
| declare void @test6_1() |
| ; This is not a missed optz'n. |
| define void @test6_2(i8** %p, i8* %q) { |
| ; CHECK-LABEL: define {{[^@]+}}@test6_2 |
| ; CHECK-SAME: (i8** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[P:%.*]], i8* nofree [[Q:%.*]]) { |
| ; CHECK-NEXT: store i8* [[Q]], i8** [[P]], align 8 |
| ; CHECK-NEXT: call void @test6_1() |
| ; CHECK-NEXT: ret void |
| ; |
| store i8* %q, i8** %p |
| call void @test6_1() |
| ret void |
| } |
| |
| ; inalloca parameters are always considered written |
| define void @test7_1(i32* inalloca(i32) %a) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test7_1 |
| ; IS__TUNIT____-SAME: (i32* nocapture nofree nonnull writeonly inalloca(i32) dereferenceable(4) [[A:%.*]]) #[[ATTR1]] { |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test7_1 |
| ; IS__CGSCC____-SAME: (i32* nocapture nofree nonnull writeonly inalloca(i32) dereferenceable(4) [[A:%.*]]) #[[ATTR1]] { |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| ret void |
| } |
| |
| define i32* @test8_1(i32* %p) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test8_1 |
| ; IS__TUNIT____-SAME: (i32* nofree readnone returned "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR1]] { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: ret i32* [[P]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test8_1 |
| ; IS__CGSCC____-SAME: (i32* nofree readnone returned "no-capture-maybe-returned" [[P:%.*]]) #[[ATTR1]] { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: ret i32* [[P]] |
| ; |
| entry: |
| ret i32* %p |
| } |
| |
| define void @test8_2(i32* %p) { |
| ; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test8_2 |
| ; IS__TUNIT____-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR3]] { |
| ; IS__TUNIT____-NEXT: entry: |
| ; IS__TUNIT____-NEXT: store i32 10, i32* [[P]], align 4 |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test8_2 |
| ; IS__CGSCC____-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR3]] { |
| ; IS__CGSCC____-NEXT: entry: |
| ; IS__CGSCC____-NEXT: store i32 10, i32* [[P]], align 4 |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| entry: |
| %call = call i32* @test8_1(i32* %p) |
| store i32 10, i32* %call, align 4 |
| ret void |
| } |
| |
| ; CHECK: declare void @llvm.masked.scatter |
| declare void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32>%val, <4 x i32*>, i32, <4 x i1>) |
| |
| ; CHECK-NOT: readnone |
| ; CHECK-NOT: readonly |
| define void @test9(<4 x i32*> %ptrs, <4 x i32>%val) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn writeonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test9 |
| ; IS__TUNIT____-SAME: (<4 x i32*> [[PTRS:%.*]], <4 x i32> [[VAL:%.*]]) #[[ATTR0]] { |
| ; IS__TUNIT____-NEXT: call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> [[VAL]], <4 x i32*> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>) #[[ATTR10:[0-9]+]] |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree nosync nounwind willreturn writeonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test9 |
| ; IS__CGSCC____-SAME: (<4 x i32*> [[PTRS:%.*]], <4 x i32> [[VAL:%.*]]) #[[ATTR4:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> [[VAL]], <4 x i32*> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>) #[[ATTR11:[0-9]+]] |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32>%val, <4 x i32*> %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.v4p0i32(<4 x i32*>, i32, <4 x i1>, <4 x i32>) |
| define <4 x i32> @test10(<4 x i32*> %ptrs) { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readonly willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test10 |
| ; IS__TUNIT____-SAME: (<4 x i32*> [[PTRS:%.*]]) #[[ATTR4:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>, <4 x i32> undef) #[[ATTR11:[0-9]+]] |
| ; IS__TUNIT____-NEXT: ret <4 x i32> [[RES]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree nosync nounwind readonly willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test10 |
| ; IS__CGSCC____-SAME: (<4 x i32*> [[PTRS:%.*]]) #[[ATTR5:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> [[PTRS]], i32 noundef 4, <4 x i1> noundef <i1 true, i1 false, i1 true, i1 false>, <4 x i32> undef) #[[ATTR12:[0-9]+]] |
| ; IS__CGSCC____-NEXT: ret <4 x i32> [[RES]] |
| ; |
| %res = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> %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 i32*>) argmemonly nounwind readonly |
| define <4 x i32> @test11_2(<4 x i32*> %ptrs) { |
| ; IS__TUNIT____: Function Attrs: argmemonly nounwind readonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test11_2 |
| ; IS__TUNIT____-SAME: (<4 x i32*> [[PTRS:%.*]]) #[[ATTR5:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: [[RES:%.*]] = call <4 x i32> @test11_1(<4 x i32*> [[PTRS]]) #[[ATTR9:[0-9]+]] |
| ; IS__TUNIT____-NEXT: ret <4 x i32> [[RES]] |
| ; |
| ; IS__CGSCC____: Function Attrs: argmemonly nounwind readonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test11_2 |
| ; IS__CGSCC____-SAME: (<4 x i32*> [[PTRS:%.*]]) #[[ATTR6:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: [[RES:%.*]] = call <4 x i32> @test11_1(<4 x i32*> [[PTRS]]) #[[ATTR10:[0-9]+]] |
| ; IS__CGSCC____-NEXT: ret <4 x i32> [[RES]] |
| ; |
| %res = call <4 x i32> @test11_1(<4 x i32*> %ptrs) |
| ret <4 x i32> %res |
| } |
| |
| declare <4 x i32> @test12_1(<4 x i32*>) argmemonly nounwind |
| ; CHECK-NOT: readnone |
| define <4 x i32> @test12_2(<4 x i32*> %ptrs) { |
| ; IS__TUNIT____: Function Attrs: argmemonly nounwind |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@test12_2 |
| ; IS__TUNIT____-SAME: (<4 x i32*> [[PTRS:%.*]]) #[[ATTR6:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: [[RES:%.*]] = call <4 x i32> @test12_1(<4 x i32*> [[PTRS]]) #[[ATTR12:[0-9]+]] |
| ; IS__TUNIT____-NEXT: ret <4 x i32> [[RES]] |
| ; |
| ; IS__CGSCC____: Function Attrs: argmemonly nounwind |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@test12_2 |
| ; IS__CGSCC____-SAME: (<4 x i32*> [[PTRS:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: [[RES:%.*]] = call <4 x i32> @test12_1(<4 x i32*> [[PTRS]]) #[[ATTR13:[0-9]+]] |
| ; IS__CGSCC____-NEXT: ret <4 x i32> [[RES]] |
| ; |
| %res = call <4 x i32> @test12_1(<4 x i32*> %ptrs) |
| ret <4 x i32> %res |
| } |
| |
| define i32 @volatile_load(i32* %p) { |
| ; IS__TUNIT____: Function Attrs: argmemonly nofree nounwind willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@volatile_load |
| ; IS__TUNIT____-SAME: (i32* nofree noundef align 4 [[P:%.*]]) #[[ATTR7:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: [[LOAD:%.*]] = load volatile i32, i32* [[P]], align 4 |
| ; IS__TUNIT____-NEXT: ret i32 [[LOAD]] |
| ; |
| ; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nounwind willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@volatile_load |
| ; IS__CGSCC____-SAME: (i32* nofree noundef align 4 [[P:%.*]]) #[[ATTR8:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: [[LOAD:%.*]] = load volatile i32, i32* [[P]], align 4 |
| ; IS__CGSCC____-NEXT: ret i32 [[LOAD]] |
| ; |
| %load = load volatile i32, i32* %p |
| ret i32 %load |
| } |
| |
| declare void @escape_readnone_ptr(i8** %addr, i8* readnone %ptr) |
| declare void @escape_readonly_ptr(i8** %addr, i8* 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(i8* %ignored, i8* %escaped_then_written) { |
| ; CHECK-LABEL: define {{[^@]+}}@unsound_readnone |
| ; CHECK-SAME: (i8* nocapture nofree readnone [[IGNORED:%.*]], i8* [[ESCAPED_THEN_WRITTEN:%.*]]) { |
| ; CHECK-NEXT: [[ADDR:%.*]] = alloca i8*, align 8 |
| ; CHECK-NEXT: call void @escape_readnone_ptr(i8** noundef nonnull align 8 dereferenceable(8) [[ADDR]], i8* noalias readnone [[ESCAPED_THEN_WRITTEN]]) |
| ; CHECK-NEXT: [[ADDR_LD:%.*]] = load i8*, i8** [[ADDR]], align 8 |
| ; CHECK-NEXT: store i8 0, i8* [[ADDR_LD]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| %addr = alloca i8* |
| call void @escape_readnone_ptr(i8** %addr, i8* %escaped_then_written) |
| %addr.ld = load i8*, i8** %addr |
| store i8 0, i8* %addr.ld |
| ret void |
| } |
| |
| define void @unsound_readonly(i8* %ignored, i8* %escaped_then_written) { |
| ; CHECK-LABEL: define {{[^@]+}}@unsound_readonly |
| ; CHECK-SAME: (i8* nocapture nofree readnone [[IGNORED:%.*]], i8* [[ESCAPED_THEN_WRITTEN:%.*]]) { |
| ; CHECK-NEXT: [[ADDR:%.*]] = alloca i8*, align 8 |
| ; CHECK-NEXT: call void @escape_readonly_ptr(i8** noundef nonnull align 8 dereferenceable(8) [[ADDR]], i8* readonly [[ESCAPED_THEN_WRITTEN]]) |
| ; CHECK-NEXT: [[ADDR_LD:%.*]] = load i8*, i8** [[ADDR]], align 8 |
| ; CHECK-NEXT: store i8 0, i8* [[ADDR_LD]], align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| %addr = alloca i8* |
| call void @escape_readonly_ptr(i8** %addr, i8* %escaped_then_written) |
| %addr.ld = load i8*, i8** %addr |
| store i8 0, i8* %addr.ld |
| ret void |
| } |
| |
| ; Byval but not readonly/none tests |
| ; |
| ;{ |
| declare void @escape_i8(i8* %ptr) |
| |
| define void @byval_not_readonly_1(i8* byval(i8) %written) readonly { |
| ; CHECK: Function Attrs: readonly |
| ; CHECK-LABEL: define {{[^@]+}}@byval_not_readonly_1 |
| ; CHECK-SAME: (i8* noalias nonnull byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR2]] { |
| ; CHECK-NEXT: call void @escape_i8(i8* nonnull dereferenceable(1) [[WRITTEN]]) |
| ; CHECK-NEXT: ret void |
| ; |
| call void @escape_i8(i8* %written) |
| ret void |
| } |
| |
| define void @byval_not_readonly_2(i8* byval(i8) %written) readonly { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@byval_not_readonly_2 |
| ; IS__TUNIT____-SAME: (i8* noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR1]] { |
| ; IS__TUNIT____-NEXT: store i8 0, i8* [[WRITTEN]], align 1 |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@byval_not_readonly_2 |
| ; IS__CGSCC____-SAME: (i8* noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR1]] { |
| ; IS__CGSCC____-NEXT: store i8 0, i8* [[WRITTEN]], align 1 |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| store i8 0, i8* %written |
| ret void |
| } |
| |
| define void @byval_not_readnone_1(i8* byval(i8) %written) readnone { |
| ; IS__TUNIT____: Function Attrs: readnone |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@byval_not_readnone_1 |
| ; IS__TUNIT____-SAME: (i8* noalias nonnull byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR8:[0-9]+]] { |
| ; IS__TUNIT____-NEXT: call void @escape_i8(i8* nonnull dereferenceable(1) [[WRITTEN]]) |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: readnone |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@byval_not_readnone_1 |
| ; IS__CGSCC____-SAME: (i8* noalias nonnull byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR9:[0-9]+]] { |
| ; IS__CGSCC____-NEXT: call void @escape_i8(i8* nonnull dereferenceable(1) [[WRITTEN]]) |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| call void @escape_i8(i8* %written) |
| ret void |
| } |
| |
| define void @byval_not_readnone_2(i8* byval(i8) %written) readnone { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@byval_not_readnone_2 |
| ; IS__TUNIT____-SAME: (i8* noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR1]] { |
| ; IS__TUNIT____-NEXT: store i8 0, i8* [[WRITTEN]], align 1 |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@byval_not_readnone_2 |
| ; IS__CGSCC____-SAME: (i8* noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR1]] { |
| ; IS__CGSCC____-NEXT: store i8 0, i8* [[WRITTEN]], align 1 |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| store i8 0, i8* %written |
| ret void |
| } |
| |
| define void @byval_no_fnarg(i8* byval(i8) %written) { |
| ; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@byval_no_fnarg |
| ; IS__TUNIT____-SAME: (i8* noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR3]] { |
| ; IS__TUNIT____-NEXT: store i8 0, i8* [[WRITTEN]], align 1 |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@byval_no_fnarg |
| ; IS__CGSCC____-SAME: (i8* noalias nocapture nofree noundef nonnull writeonly byval(i8) dereferenceable(1) [[WRITTEN:%.*]]) #[[ATTR3]] { |
| ; IS__CGSCC____-NEXT: store i8 0, i8* [[WRITTEN]], align 1 |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| store i8 0, i8* %written |
| ret void |
| } |
| |
| define void @testbyval(i8* %read_only) { |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@testbyval |
| ; IS__TUNIT____-SAME: (i8* nocapture readonly [[READ_ONLY:%.*]]) { |
| ; IS__TUNIT____-NEXT: call void @byval_not_readonly_1(i8* nocapture readonly byval(i8) [[READ_ONLY]]) #[[ATTR2]] |
| ; IS__TUNIT____-NEXT: call void @byval_not_readnone_1(i8* noalias nocapture readnone byval(i8) [[READ_ONLY]]) |
| ; IS__TUNIT____-NEXT: call void @byval_no_fnarg(i8* nocapture nofree readonly byval(i8) [[READ_ONLY]]) #[[ATTR13:[0-9]+]] |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@testbyval |
| ; IS__CGSCC____-SAME: (i8* nocapture noundef nonnull readonly dereferenceable(1) [[READ_ONLY:%.*]]) { |
| ; IS__CGSCC____-NEXT: call void @byval_not_readonly_1(i8* noalias nocapture noundef nonnull readonly byval(i8) dereferenceable(1) [[READ_ONLY]]) #[[ATTR2]] |
| ; IS__CGSCC____-NEXT: call void @byval_not_readnone_1(i8* noalias nocapture noundef nonnull readnone byval(i8) dereferenceable(1) [[READ_ONLY]]) |
| ; IS__CGSCC____-NEXT: call void @byval_no_fnarg(i8* noalias nocapture nofree noundef nonnull readnone byval(i8) dereferenceable(1) [[READ_ONLY]]) #[[ATTR14:[0-9]+]] |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| call void @byval_not_readonly_1(i8* byval(i8) %read_only) |
| call void @byval_not_readonly_2(i8* byval(i8) %read_only) |
| call void @byval_not_readnone_1(i8* byval(i8) %read_only) |
| call void @byval_not_readnone_2(i8* byval(i8) %read_only) |
| call void @byval_no_fnarg(i8* byval(i8) %read_only) |
| ret void |
| } |
| ;} |
| |
| declare i8* @maybe_returned_ptr(i8* readonly %ptr) readonly nounwind |
| declare i8 @maybe_returned_val(i8* %ptr) readonly nounwind |
| declare void @val_use(i8 %ptr) readonly nounwind |
| |
| define void @ptr_uses(i8* %ptr) { |
| ; IS__TUNIT____: Function Attrs: nounwind readonly |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@ptr_uses |
| ; IS__TUNIT____-SAME: (i8* nocapture readonly [[PTR:%.*]]) #[[ATTR9]] { |
| ; IS__TUNIT____-NEXT: [[CALL_PTR:%.*]] = call i8* @maybe_returned_ptr(i8* readonly [[PTR]]) #[[ATTR9]] |
| ; IS__TUNIT____-NEXT: [[CALL_VAL:%.*]] = call i8 @maybe_returned_val(i8* readonly [[CALL_PTR]]) #[[ATTR9]] |
| ; IS__TUNIT____-NEXT: ret void |
| ; |
| ; IS__CGSCC____: Function Attrs: nounwind readonly |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@ptr_uses |
| ; IS__CGSCC____-SAME: (i8* nocapture readonly [[PTR:%.*]]) #[[ATTR10]] { |
| ; IS__CGSCC____-NEXT: [[CALL_PTR:%.*]] = call i8* @maybe_returned_ptr(i8* readonly [[PTR]]) #[[ATTR10]] |
| ; IS__CGSCC____-NEXT: [[CALL_VAL:%.*]] = call i8 @maybe_returned_val(i8* readonly [[CALL_PTR]]) #[[ATTR10]] |
| ; IS__CGSCC____-NEXT: ret void |
| ; |
| %call_ptr = call i8* @maybe_returned_ptr(i8* %ptr) |
| %call_val = call i8 @maybe_returned_val(i8* %call_ptr) |
| call void @val_use(i8 %call_val) |
| ret void |
| } |
| |
| define void @ptr_use_chain(i8* %ptr) { |
| ; CHECK-LABEL: define {{[^@]+}}@ptr_use_chain |
| ; CHECK-SAME: (i8* [[PTR:%.*]]) { |
| ; CHECK-NEXT: call void @escape_i8(i8* [[PTR]]) |
| ; CHECK-NEXT: ret void |
| ; |
| %bc0 = bitcast i8* %ptr to i32* |
| %bc1 = bitcast i32* %bc0 to i8* |
| %bc2 = bitcast i8* %bc1 to i32* |
| %bc3 = bitcast i32* %bc2 to i8* |
| %bc4 = bitcast i8* %bc3 to i32* |
| %bc5 = bitcast i32* %bc4 to i8* |
| %bc6 = bitcast i8* %bc5 to i32* |
| %bc7 = bitcast i32* %bc6 to i8* |
| %bc8 = bitcast i8* %bc7 to i32* |
| %bc9 = bitcast i32* %bc8 to i8* |
| %abc2 = bitcast i8* %bc9 to i32* |
| %abc3 = bitcast i32* %abc2 to i8* |
| %abc4 = bitcast i8* %abc3 to i32* |
| %abc5 = bitcast i32* %abc4 to i8* |
| %abc6 = bitcast i8* %abc5 to i32* |
| %abc7 = bitcast i32* %abc6 to i8* |
| %abc8 = bitcast i8* %abc7 to i32* |
| %abc9 = bitcast i32* %abc8 to i8* |
| call void @escape_i8(i8* %abc9) |
| ret void |
| } |
| |
| @constant_mem = external dso_local constant i32, align 4 |
| define i32 @read_only_constant_mem() { |
| ; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn |
| ; IS__TUNIT____-LABEL: define {{[^@]+}}@read_only_constant_mem |
| ; IS__TUNIT____-SAME: () #[[ATTR1]] { |
| ; IS__TUNIT____-NEXT: [[L:%.*]] = load i32, i32* @constant_mem, align 4 |
| ; IS__TUNIT____-NEXT: ret i32 [[L]] |
| ; |
| ; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn |
| ; IS__CGSCC____-LABEL: define {{[^@]+}}@read_only_constant_mem |
| ; IS__CGSCC____-SAME: () #[[ATTR1]] { |
| ; IS__CGSCC____-NEXT: [[L:%.*]] = load i32, i32* @constant_mem, align 4 |
| ; IS__CGSCC____-NEXT: ret i32 [[L]] |
| ; |
| %l = load i32, i32* @constant_mem |
| ret i32 %l |
| } |
| ;. |
| ; IS__TUNIT____: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn writeonly } |
| ; IS__TUNIT____: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn } |
| ; IS__TUNIT____: attributes #[[ATTR2]] = { readonly } |
| ; IS__TUNIT____: attributes #[[ATTR3]] = { argmemonly nofree nosync nounwind willreturn writeonly } |
| ; IS__TUNIT____: attributes #[[ATTR4]] = { nofree nosync nounwind readonly willreturn } |
| ; IS__TUNIT____: attributes #[[ATTR5]] = { argmemonly nounwind readonly } |
| ; IS__TUNIT____: attributes #[[ATTR6]] = { argmemonly nounwind } |
| ; IS__TUNIT____: attributes #[[ATTR7]] = { argmemonly nofree nounwind willreturn } |
| ; IS__TUNIT____: attributes #[[ATTR8]] = { readnone } |
| ; IS__TUNIT____: attributes #[[ATTR9]] = { nounwind readonly } |
| ; IS__TUNIT____: attributes #[[ATTR10]] = { willreturn writeonly } |
| ; IS__TUNIT____: attributes #[[ATTR11]] = { readonly willreturn } |
| ; IS__TUNIT____: attributes #[[ATTR12]] = { nounwind } |
| ; IS__TUNIT____: attributes #[[ATTR13]] = { nounwind writeonly } |
| ;. |
| ; IS__CGSCC____: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn writeonly } |
| ; IS__CGSCC____: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } |
| ; IS__CGSCC____: attributes #[[ATTR2]] = { readonly } |
| ; IS__CGSCC____: attributes #[[ATTR3]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } |
| ; IS__CGSCC____: attributes #[[ATTR4]] = { nofree nosync nounwind willreturn writeonly } |
| ; IS__CGSCC____: attributes #[[ATTR5]] = { nofree nosync nounwind readonly willreturn } |
| ; IS__CGSCC____: attributes #[[ATTR6]] = { argmemonly nounwind readonly } |
| ; IS__CGSCC____: attributes #[[ATTR7]] = { argmemonly nounwind } |
| ; IS__CGSCC____: attributes #[[ATTR8]] = { argmemonly nofree norecurse nounwind willreturn } |
| ; IS__CGSCC____: attributes #[[ATTR9]] = { readnone } |
| ; IS__CGSCC____: attributes #[[ATTR10]] = { nounwind readonly } |
| ; IS__CGSCC____: attributes #[[ATTR11]] = { willreturn writeonly } |
| ; IS__CGSCC____: attributes #[[ATTR12]] = { readonly willreturn } |
| ; IS__CGSCC____: attributes #[[ATTR13]] = { nounwind } |
| ; IS__CGSCC____: attributes #[[ATTR14]] = { nounwind writeonly } |
| ;. |