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| author | John McCall <rjmccall@apple.com> | 2011-06-17 07:33:57 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-06-17 07:33:57 +0000 |
| commit | 5aa5259f5e07d4c026af6545b1c98b8ae9c4d566 (patch) | |
| tree | 64c86d8666ffd317587e84cfa93f30e16c949fdb /clang/test | |
| parent | 934625efc18fb100cdf0fc5d340e9835b30362f6 (diff) | |
| download | bcm5719-llvm-5aa5259f5e07d4c026af6545b1c98b8ae9c4d566.tar.gz bcm5719-llvm-5aa5259f5e07d4c026af6545b1c98b8ae9c4d566.zip | |
Perform an acquire memory barrier on the fast path of a thread-safe
static initializer check, as required by the Itanium ABI.
llvm-svn: 133250
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/CodeGenCXX/static-init.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/static-init.cpp b/clang/test/CodeGenCXX/static-init.cpp index 78749a7a2fa..d488e636696 100644 --- a/clang/test/CodeGenCXX/static-init.cpp +++ b/clang/test/CodeGenCXX/static-init.cpp @@ -16,6 +16,9 @@ void f() { // CHECK: call void @_ZN1AC1Ev // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @_ZZ1fvE1a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*)) // CHECK: call void @__cxa_guard_release + + // rdar://problem/9496726 + // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 false, i1 false, i1 false) static A a; } |
