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// RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -triple x86_64-gnu-linux -x c -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,ATOMICS
// RUN: %clang_cc1 -O -fexperimental-sanitize-metadata=atomics -triple aarch64-gnu-linux -x c -S -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,ATOMICS
// CHECK: @__start_sanmd_atomics = extern_weak hidden global ptr
// CHECK: @__stop_sanmd_atomics = extern_weak hidden global ptr
// CHECK: @__start_sanmd_covered = extern_weak hidden global ptr
// CHECK: @__stop_sanmd_covered = extern_weak hidden global ptr
int x, y;
void empty() {
// CHECK-NOT: define dso_local void @empty() {{.*}} !pcsections
}
int atomics() {
// ATOMICS-LABEL: define dso_local i32 @atomics()
// ATOMICS-SAME: !pcsections ![[ATOMICS_COVERED:[0-9]+]]
// ATOMICS-NEXT: entry:
// ATOMICS-NEXT: atomicrmw add {{.*}} !pcsections ![[ATOMIC_OP:[0-9]+]]
// ATOMICS-NOT: load {{.*}} !pcsections
__atomic_fetch_add(&x, 1, __ATOMIC_RELAXED);
return y;
}
// ATOMICS-LABEL: __sanitizer_metadata_atomics.module_ctor
// ATOMICS: call void @__sanitizer_metadata_atomics_add(i32 1, ptr @__start_sanmd_atomics, ptr @__stop_sanmd_atomics)
// ATOMICS-LABEL: __sanitizer_metadata_atomics.module_dtor
// ATOMICS: call void @__sanitizer_metadata_atomics_del(i32 1, ptr @__start_sanmd_atomics, ptr @__stop_sanmd_atomics)
// CHECK-LABEL: __sanitizer_metadata_covered.module_ctor
// CHECK: call void @__sanitizer_metadata_covered_add(i32 1, ptr @__start_sanmd_covered, ptr @__stop_sanmd_covered)
// CHECK-LABEL: __sanitizer_metadata_covered.module_dtor
// CHECK: call void @__sanitizer_metadata_covered_del(i32 1, ptr @__start_sanmd_covered, ptr @__stop_sanmd_covered)
// ATOMICS: ![[ATOMICS_COVERED]] = !{!"sanmd_covered", ![[ATOMICS_COVERED_AUX:[0-9]+]]}
// ATOMICS: ![[ATOMICS_COVERED_AUX]] = !{i32 1}
// ATOMICS: ![[ATOMIC_OP]] = !{!"sanmd_atomics"}
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