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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 | 71f5c2f1585e4bec0cc676e0476738af999dba70 (patch) | |
| tree | eff379801733307185eee8eba05809c62f5e8659 /llvm/test/Transforms/Sink/basic.ll | |
| parent | cc6e92892f5e038639e2a7855abad5dc0c37a59e (diff) | |
| download | bcm5719-llvm-71f5c2f1585e4bec0cc676e0476738af999dba70.tar.gz bcm5719-llvm-71f5c2f1585e4bec0cc676e0476738af999dba70.zip | |
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.)
llvm-svn: 138965
Diffstat (limited to 'llvm/test/Transforms/Sink/basic.ll')
| -rw-r--r-- | llvm/test/Transforms/Sink/basic.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Sink/basic.ll b/llvm/test/Transforms/Sink/basic.ll index 54b7f1369de..81782e9d42c 100644 --- a/llvm/test/Transforms/Sink/basic.ll +++ b/llvm/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 +} |
