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Diffstat (limited to 'test/Transforms/InstCombine/volatile_store.ll')
| -rw-r--r-- | test/Transforms/InstCombine/volatile_store.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/volatile_store.ll b/test/Transforms/InstCombine/volatile_store.ll new file mode 100644 index 000000000000..09651ba302d5 --- /dev/null +++ b/test/Transforms/InstCombine/volatile_store.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {volatile store} +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {volatile load} + +@x = weak global i32 0 ; <i32*> [#uses=2] + +define void @self_assign_1() { +entry: + %tmp = volatile load i32* @x ; <i32> [#uses=1] + volatile store i32 %tmp, i32* @x + br label %return + +return: ; preds = %entry + ret void +} |