115 lines · c
1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-attributes --check-globals all --version 62// RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=covered -fexperimental-sanitize-metadata=atomics -fexperimental-sanitize-metadata=uar -triple x86_64-gnu-linux -x c -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK3 4//.5// CHECK: @__start_sanmd_covered2 = extern_weak hidden global ptr6// CHECK: @__stop_sanmd_covered2 = extern_weak hidden global ptr7// CHECK: @__start_sanmd_atomics2 = extern_weak hidden global ptr8// CHECK: @__stop_sanmd_atomics2 = extern_weak hidden global ptr9// CHECK: @llvm.used = appending global [4 x ptr] [ptr @__sanitizer_metadata_covered2.module_ctor, ptr @__sanitizer_metadata_covered2.module_dtor, ptr @__sanitizer_metadata_atomics2.module_ctor, ptr @__sanitizer_metadata_atomics2.module_dtor], section "llvm.metadata"10// CHECK: @llvm.global_ctors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_covered2.module_ctor, ptr @__sanitizer_metadata_covered2.module_ctor }, { i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_atomics2.module_ctor, ptr @__sanitizer_metadata_atomics2.module_ctor }]11// CHECK: @llvm.global_dtors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_covered2.module_dtor, ptr @__sanitizer_metadata_covered2.module_dtor }, { i32, ptr, ptr } { i32 2, ptr @__sanitizer_metadata_atomics2.module_dtor, ptr @__sanitizer_metadata_atomics2.module_dtor }]12//.13// CHECK: Function Attrs: mustprogress nofree noinline norecurse nosync nounwind willreturn memory(write, argmem: none, inaccessiblemem: none, target_mem0: none, target_mem1: none)14// CHECK-LABEL: define dso_local void @escape(15// CHECK-SAME: ptr noundef [[P:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] !pcsections [[META6:![0-9]+]] {16// CHECK-NEXT: [[ENTRY:.*:]]17// CHECK-NEXT: ret void18//19__attribute__((noinline, not_tail_called)) void escape(const volatile void *p) {20 static const volatile void *sink;21 sink = p;22}23 24// CHECK: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none)25// CHECK-LABEL: define dso_local i32 @normal_function(26// CHECK-SAME: ptr noundef [[X:%.*]], ptr noundef readonly captures(none) [[Y:%.*]]) local_unnamed_addr #[[ATTR1:[0-9]+]] !pcsections [[META8:![0-9]+]] {27// CHECK-NEXT: [[ENTRY:.*:]]28// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 829// CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[INTPTR_TBAA10:![0-9]+]]30// CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4, !pcsections [[META13:![0-9]+]]31// CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]])32// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[INT_TBAA2:![0-9]+]]33// CHECK-NEXT: ret i32 [[TMP0]]34//35int normal_function(int *x, int *y) {36 __atomic_store_n(x, 1, __ATOMIC_RELAXED);37 escape(&x);38 return *y;39}40 41// CHECK: Function Attrs: disable_sanitizer_instrumentation mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none)42// CHECK-LABEL: define dso_local i32 @test_disable_sanitize_instrumentation(43// CHECK-SAME: ptr noundef [[X:%.*]], ptr noundef readonly captures(none) [[Y:%.*]]) local_unnamed_addr #[[ATTR2:[0-9]+]] {44// CHECK-NEXT: [[ENTRY:.*:]]45// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 846// CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[INTPTR_TBAA10]]47// CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 448// CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]])49// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[INT_TBAA2]]50// CHECK-NEXT: ret i32 [[TMP0]]51//52__attribute__((disable_sanitizer_instrumentation)) int test_disable_sanitize_instrumentation(int *x, int *y) {53 __atomic_store_n(x, 1, __ATOMIC_RELAXED);54 escape(&x);55 return *y;56}57 58// CHECK: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none)59// CHECK-LABEL: define dso_local i32 @test_no_sanitize_thread(60// CHECK-SAME: ptr noundef [[X:%.*]], ptr noundef readonly captures(none) [[Y:%.*]]) local_unnamed_addr #[[ATTR3:[0-9]+]] !pcsections [[META14:![0-9]+]] {61// CHECK-NEXT: [[ENTRY:.*:]]62// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 863// CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[INTPTR_TBAA10]]64// CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4, !pcsections [[META13]]65// CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]])66// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[INT_TBAA2]]67// CHECK-NEXT: ret i32 [[TMP0]]68//69__attribute__((no_sanitize("thread"))) int test_no_sanitize_thread(int *x, int *y) {70 __atomic_store_n(x, 1, __ATOMIC_RELAXED);71 escape(&x);72 return *y;73}74 75// CHECK: Function Attrs: mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none)76// CHECK-LABEL: define dso_local i32 @test_no_sanitize_all(77// CHECK-SAME: ptr noundef [[X:%.*]], ptr noundef readonly captures(none) [[Y:%.*]]) local_unnamed_addr #[[ATTR3]] !pcsections [[META14]] {78// CHECK-NEXT: [[ENTRY:.*:]]79// CHECK-NEXT: [[X_ADDR:%.*]] = alloca ptr, align 880// CHECK-NEXT: store ptr [[X]], ptr [[X_ADDR]], align 8, !tbaa [[INTPTR_TBAA10]]81// CHECK-NEXT: store atomic i32 1, ptr [[X]] monotonic, align 4, !pcsections [[META13]]82// CHECK-NEXT: notail call void @escape(ptr noundef nonnull [[X_ADDR]])83// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[Y]], align 4, !tbaa [[INT_TBAA2]]84// CHECK-NEXT: ret i32 [[TMP0]]85//86__attribute__((no_sanitize("all"))) int test_no_sanitize_all(int *x, int *y) {87 __atomic_store_n(x, 1, __ATOMIC_RELAXED);88 escape(&x);89 return *y;90}91//.92// CHECK: attributes #[[ATTR0]] = { mustprogress nofree noinline norecurse nosync nounwind willreturn memory(write, argmem: none, inaccessiblemem: none, target_mem0: none, target_mem1: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }93// CHECK: attributes #[[ATTR1]] = { mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }94// CHECK: attributes #[[ATTR2]] = { disable_sanitizer_instrumentation mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }95// CHECK: attributes #[[ATTR3]] = { mustprogress nofree norecurse nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none, target_mem0: none, target_mem1: none) "min-legal-vector-width"="0" "no-trapping-math"="true" "no_sanitize_thread" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }96// CHECK: attributes #[[ATTR4:[0-9]+]] = { nounwind "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }97//.98// CHECK: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}99// CHECK: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}100// CHECK: [[INT_TBAA2]] = !{[[META3:![0-9]+]], [[META3]], i64 0}101// CHECK: [[META3]] = !{!"int", [[META4:![0-9]+]], i64 0}102// CHECK: [[META4]] = !{!"omnipotent char", [[META5:![0-9]+]], i64 0}103// CHECK: [[META5]] = !{!"Simple C/C++ TBAA"}104// CHECK: [[META6]] = !{!"sanmd_covered2!C", [[META7:![0-9]+]]}105// CHECK: [[META7]] = !{i64 0}106// CHECK: [[META8]] = !{!"sanmd_covered2!C", [[META9:![0-9]+]]}107// CHECK: [[META9]] = !{i64 3}108// CHECK: [[INTPTR_TBAA10]] = !{[[META11:![0-9]+]], [[META11]], i64 0}109// CHECK: [[META11]] = !{!"p1 int", [[META12:![0-9]+]], i64 0}110// CHECK: [[META12]] = !{!"any pointer", [[META4]], i64 0}111// CHECK: [[META13]] = !{!"sanmd_atomics2!C"}112// CHECK: [[META14]] = !{!"sanmd_covered2!C", [[META15:![0-9]+]]}113// CHECK: [[META15]] = !{i64 2}114//.115