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| author | Chris Lattner <sabre@nondot.org> | 2006-03-31 22:16:19 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-03-31 22:16:19 +0000 |
| commit | 95467204849fbec8dccbef3143cd1d45ad606311 (patch) | |
| tree | 37c4b5bae8b79b2df9b035efe9425685a52b12c6 /test/CodeGen/Generic/vector-identity-shuffle.ll | |
| parent | b5c4d17a6c03af1ec8e3fd4fd9d5b07b9c2694a4 (diff) | |
| download | llvm-95467204849fbec8dccbef3143cd1d45ad606311.tar.gz llvm-95467204849fbec8dccbef3143cd1d45ad606311.tar.bz2 llvm-95467204849fbec8dccbef3143cd1d45ad606311.tar.xz | |
An identity shuffle shouldn't generate any permute code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27316 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Generic/vector-identity-shuffle.ll')
| -rw-r--r-- | test/CodeGen/Generic/vector-identity-shuffle.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/vector-identity-shuffle.ll b/test/CodeGen/Generic/vector-identity-shuffle.ll new file mode 100644 index 0000000000..7ee5fd6d2b --- /dev/null +++ b/test/CodeGen/Generic/vector-identity-shuffle.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep _test && +; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | not grep vperm + +void %test(<4 x float> *%tmp2.i) { + %tmp2.i = load <4x float>* %tmp2.i + %xFloat0.48 = extractelement <4 x float> %tmp2.i, uint 0 ; <float> [#uses=1] + %inFloat0.49 = insertelement <4 x float> undef, float %xFloat0.48, uint 0 ; <<4 x float>> [#uses=1] + %xFloat1.50 = extractelement <4 x float> %tmp2.i, uint 1 ; <float> [#uses=1] + %inFloat1.52 = insertelement <4 x float> %inFloat0.49, float %xFloat1.50, uint 1 ; <<4 x float>> [#uses=1] + %xFloat2.53 = extractelement <4 x float> %tmp2.i, uint 2 ; <float> [#uses=1] + %inFloat2.55 = insertelement <4 x float> %inFloat1.52, float %xFloat2.53, uint 2 ; <<4 x float>> [#uses=1] + %xFloat3.56 = extractelement <4 x float> %tmp2.i, uint 3 ; <float> [#uses=1] + %inFloat3.58 = insertelement <4 x float> %inFloat2.55, float %xFloat3.56, uint 3 ; <<4 x float>> [#uses=4] + store <4 x float> %inFloat3.58, <4x float>* %tmp2.i + ret void +} |