diff options
| author | Anders Carlsson <andersca@mac.com> | 2010-02-06 23:23:06 +0000 |
|---|---|---|
| committer | Anders Carlsson <andersca@mac.com> | 2010-02-06 23:23:06 +0000 |
| commit | a508b7de6c5246ab04ed69d0ab4e9977ec1fb4d4 (patch) | |
| tree | 9b5b83fb4a534e2d2decf51f1af85d1a68dae007 /test/CodeGenCXX/threadsafe-statics.cpp | |
| parent | 594d5e8bd9870080aad6a761538e272bc2dfcc13 (diff) | |
Add support for threadsafe statics, and make them the default (matching gcc).
Daniel, I'd appreciate a review of the driver/cc1 parts.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95508 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/threadsafe-statics.cpp')
| -rw-r--r-- | test/CodeGenCXX/threadsafe-statics.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGenCXX/threadsafe-statics.cpp b/test/CodeGenCXX/threadsafe-statics.cpp new file mode 100644 index 0000000000..65ebc43c5d --- /dev/null +++ b/test/CodeGenCXX/threadsafe-statics.cpp @@ -0,0 +1,17 @@ +// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck -check-prefix=WITH-TSS %s +// RUN: %clang_cc1 -emit-llvm -o - %s -fno-threadsafe-statics | FileCheck -check-prefix=NO-TSS %s + +int f(); + +// WITH-TSS: define void @_Z1gv() nounwind +// WITH-TSS: call i32 @__cxa_guard_acquire +// WITH-TSS: call void @__cxa_guard_release +// WITH-TSS: ret void +void g() { + static int a = f(); +} + +// NO-TSS: define void @_Z1gv() nounwind +// NO-TSS-NOT: call i32 @__cxa_guard_acquire +// NO-TSS-NOT: call void @__cxa_guard_release +// NO-TSS: ret void |