37 lines · c
1// RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -triple x86_64-gnu-linux -x c -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,ATOMICS2// RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -triple aarch64-gnu-linux -x c -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,ATOMICS3 4// CHECK: @__start_sanmd_atomics2 = extern_weak hidden global ptr5// CHECK: @__stop_sanmd_atomics2 = extern_weak hidden global ptr6// CHECK: @__start_sanmd_covered2 = extern_weak hidden global ptr7// CHECK: @__stop_sanmd_covered2 = extern_weak hidden global ptr8 9int x, y;10 11void empty() {12// CHECK-NOT: define dso_local void @empty() {{.*}} !pcsections13}14 15int atomics() {16// ATOMICS-LABEL: define dso_local i32 @atomics()17// ATOMICS-SAME: !pcsections ![[ATOMICS_COVERED:[0-9]+]]18// ATOMICS-NEXT: entry:19// ATOMICS-NEXT: atomicrmw add {{.*}} !pcsections ![[ATOMIC_OP:[0-9]+]]20// ATOMICS-NOT: load {{.*}} !pcsections21 __atomic_fetch_add(&x, 1, __ATOMIC_RELAXED);22 return y;23}24// ATOMICS-LABEL: __sanitizer_metadata_atomics2.module_ctor25// ATOMICS: call void @__sanitizer_metadata_atomics_add(i32 2, ptr @__start_sanmd_atomics2, ptr @__stop_sanmd_atomics2)26// ATOMICS-LABEL: __sanitizer_metadata_atomics2.module_dtor27// ATOMICS: call void @__sanitizer_metadata_atomics_del(i32 2, ptr @__start_sanmd_atomics2, ptr @__stop_sanmd_atomics2)28 29// CHECK-LABEL: __sanitizer_metadata_covered2.module_ctor30// CHECK: call void @__sanitizer_metadata_covered_add(i32 2, ptr @__start_sanmd_covered2, ptr @__stop_sanmd_covered2)31// CHECK-LABEL: __sanitizer_metadata_covered2.module_dtor32// CHECK: call void @__sanitizer_metadata_covered_del(i32 2, ptr @__start_sanmd_covered2, ptr @__stop_sanmd_covered2)33 34// ATOMICS: ![[ATOMICS_COVERED]] = !{!"sanmd_covered2!C", ![[ATOMICS_COVERED_AUX:[0-9]+]]}35// ATOMICS: ![[ATOMICS_COVERED_AUX]] = !{i64 1}36// ATOMICS: ![[ATOMIC_OP]] = !{!"sanmd_atomics2!C"}37