diff options
Diffstat (limited to 'clang/test/CodeGenCXX/threadsafe-statics.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/threadsafe-statics.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/threadsafe-statics.cpp b/clang/test/CodeGenCXX/threadsafe-statics.cpp new file mode 100644 index 0000000..8afc274 --- /dev/null +++ b/clang/test/CodeGenCXX/threadsafe-statics.cpp @@ -0,0 +1,23 @@ +// RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s | FileCheck -check-prefix=WITH-TSS %s +// RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s -fno-threadsafe-statics | FileCheck -check-prefix=NO-TSS %s + +int f(); + +// WITH-TSS: @_ZZ1gvE1a = internal global i32 0, align 4 +// WITH-TSS: @_ZGVZ1gvE1a = internal global i64 0 + +// 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: @_ZZ1gvE1a = internal global i32 0, align 4 +// NO-TSS: @_ZGVZ1gvE1a = internal global i8 0 + +// 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 |