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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-01 21:21:24 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-01 21:21:24 +0000 |
| commit | 86b5db8c011d96e7b7af0299cc99c942b790499e (patch) | |
| tree | 19dc496e4310a1bc0af04cd502942a3ba881e761 /test | |
| parent | 89e0f4b5b07aad3b690efa426b8f4131043aec40 (diff) | |
| download | external_llvm-86b5db8c011d96e7b7af0299cc99c942b790499e.zip external_llvm-86b5db8c011d96e7b7af0299cc99c942b790499e.tar.gz external_llvm-86b5db8c011d96e7b7af0299cc99c942b790499e.tar.bz2 | |
Fix an issue with the IR sink pass found by inspection. (I'm not sure anyone is actually using this, but might as well fix it since I found the issue.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138965 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/Sink/basic.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/Sink/basic.ll b/test/Transforms/Sink/basic.ll index 54b7f13..81782e9 100644 --- a/test/Transforms/Sink/basic.ll +++ b/test/Transforms/Sink/basic.ll @@ -20,3 +20,19 @@ true: false: ret i32 0 } + +; But don't sink volatile loads... + +; CHECK: @foo2 +; CHECK: volatile load +; CHECK-NEXT: store i32 + +define i32 @foo2(i1 %z) { + %l = volatile load i32* @A + store i32 0, i32* @B + br i1 %z, label %true, label %false +true: + ret i32 %l +false: + ret i32 0 +} |