diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 5 | ||||
| -rw-r--r-- | clang/test/CodeGen/tsan-instrprof-atomic.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 415bd962622..826ac267c68 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -653,6 +653,11 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM, InstrProfOptions Options; Options.NoRedZone = CodeGenOpts.DisableRedZone; Options.InstrProfileOutput = CodeGenOpts.InstrProfileOutput; + + // TODO: Surface the option to emit atomic profile counter increments at + // the driver level. + Options.Atomic = LangOpts.Sanitize.has(SanitizerKind::Thread); + MPM.add(createInstrProfilingLegacyPass(Options)); } if (CodeGenOpts.hasProfileIRInstr()) { diff --git a/clang/test/CodeGen/tsan-instrprof-atomic.c b/clang/test/CodeGen/tsan-instrprof-atomic.c new file mode 100644 index 00000000000..b7f99e73d3c --- /dev/null +++ b/clang/test/CodeGen/tsan-instrprof-atomic.c @@ -0,0 +1,6 @@ +// RUN: %clang_cc1 %s -emit-llvm -fprofile-instrument=clang -fsanitize=thread -o - | FileCheck %s + +// CHECK: define void @foo +// CHECK-NOT: load {{.*}}foo +// CHECK: ret void +void foo() {} |
