| // 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"} |
