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| author | Daniel Dunbar <daniel@zuster.org> | 2010-03-20 07:04:11 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-03-20 07:04:11 +0000 |
| commit | 4ff562d55704777485928eb7a11f4a68ee87196b (patch) | |
| tree | 246af641e4523c58742ab4a5cbc611d79a75c2ad /clang/test/CodeGen/atomic.c | |
| parent | 2497d85c9e2dd7573a16326f781fded0ad6056ff (diff) | |
| download | bcm5719-llvm-4ff562d55704777485928eb7a11f4a68ee87196b.tar.gz bcm5719-llvm-4ff562d55704777485928eb7a11f4a68ee87196b.zip | |
IRgen: Wrap atomic intrinsics with memory barriers, to ensure we honor the semantics.
- This should be conservatively correct, we eventually should have target hooks for platforms that are less strict.
llvm-svn: 99050
Diffstat (limited to 'clang/test/CodeGen/atomic.c')
| -rw-r--r-- | clang/test/CodeGen/atomic.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/test/CodeGen/atomic.c b/clang/test/CodeGen/atomic.c index ff304f57f01..c201a1ad660 100644 --- a/clang/test/CodeGen/atomic.c +++ b/clang/test/CodeGen/atomic.c @@ -1,4 +1,5 @@ // RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-apple-darwin9 > %t1 +// RUN: grep @llvm.memory.barrier %t1 | count 42 // RUN: grep @llvm.atomic.load.add.i32 %t1 | count 3 // RUN: grep @llvm.atomic.load.sub.i8 %t1 | count 2 // RUN: grep @llvm.atomic.load.min.i32 %t1 |
