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author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
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committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/InstCombine/2006-12-01-BadFPVectorXform.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/InstCombine/2006-12-01-BadFPVectorXform.ll')
-rw-r--r-- | test/Transforms/InstCombine/2006-12-01-BadFPVectorXform.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2006-12-01-BadFPVectorXform.ll b/test/Transforms/InstCombine/2006-12-01-BadFPVectorXform.ll new file mode 100644 index 0000000..7adeb9f --- /dev/null +++ b/test/Transforms/InstCombine/2006-12-01-BadFPVectorXform.ll @@ -0,0 +1,9 @@ +; RUN: opt < %s -instcombine -S | grep sub +; RUN: opt < %s -instcombine -S | grep add + +define <4 x float> @test(<4 x float> %tmp26, <4 x float> %tmp53) { + ; (X+Y)-Y != X for fp vectors. + %tmp64 = fadd <4 x float> %tmp26, %tmp53 ; <<4 x float>> [#uses=1] + %tmp75 = fsub <4 x float> %tmp64, %tmp53 ; <<4 x float>> [#uses=1] + ret <4 x float> %tmp75 +} |