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authorPeter Collingbourne <peter@pcc.me.uk>2010-08-03 16:19:16 +0000
committerPeter Collingbourne <peter@pcc.me.uk>2010-08-03 16:19:16 +0000
commitddaaf40d2480b62f26078062d9e8bb1f370ea24f (patch)
tree4ba9b1015ceeb8156a846dc10f758292a3c8e04b /llvm/test/Transforms/LowerAtomic/barrier.ll
parent35e8a6209dd1796cf1cafd3f8f3aea0fdfba0bbd (diff)
downloadbcm5719-llvm-ddaaf40d2480b62f26078062d9e8bb1f370ea24f.tar.gz
bcm5719-llvm-ddaaf40d2480b62f26078062d9e8bb1f370ea24f.zip
Add an atomic lowering pass
llvm-svn: 110113
Diffstat (limited to 'llvm/test/Transforms/LowerAtomic/barrier.ll')
-rw-r--r--llvm/test/Transforms/LowerAtomic/barrier.ll10
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LowerAtomic/barrier.ll b/llvm/test/Transforms/LowerAtomic/barrier.ll
new file mode 100644
index 00000000000..218c5ba8d18
--- /dev/null
+++ b/llvm/test/Transforms/LowerAtomic/barrier.ll
@@ -0,0 +1,10 @@
+; RUN: opt < %s -loweratomic -S | FileCheck %s
+
+declare void @llvm.memory.barrier(i1 %ll, i1 %ls, i1 %sl, i1 %ss, i1 %device)
+
+define void @barrier() {
+; CHECK: @barrier
+ call void @llvm.memory.barrier(i1 0, i1 0, i1 0, i1 0, i1 0)
+; CHECK-NEXT: ret
+ ret void
+}
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