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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll')
| -rw-r--r-- | test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll b/test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll new file mode 100644 index 0000000..e82caa9 --- /dev/null +++ b/test/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll @@ -0,0 +1,16 @@ +; Promoting some values allows promotion of other values. +; RUN: opt < %s -mem2reg -S | not grep alloca + +define i32 @test2() { + %result = alloca i32 ; <i32*> [#uses=2] + %a = alloca i32 ; <i32*> [#uses=2] + %p = alloca i32* ; <i32**> [#uses=2] + store i32 0, i32* %a + store i32* %a, i32** %p + %tmp.0 = load i32** %p ; <i32*> [#uses=1] + %tmp.1 = load i32* %tmp.0 ; <i32> [#uses=1] + store i32 %tmp.1, i32* %result + %tmp.2 = load i32* %result ; <i32> [#uses=1] + ret i32 %tmp.2 +} + |