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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-03-07 18:48:40 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-03-07 18:48:40 +0000 |
| commit | 02c2ecf9f166522cc1c58dd484668c1cbacc0c6e (patch) | |
| tree | 0721321259962df552b6c98dce098a5cda4a7a9f /test/CodeGen/X86/avx-vpermil.ll | |
| parent | 784ae47413e1adf3b64ed5546f88b39ab52a9281 (diff) | |
| download | llvm-02c2ecf9f166522cc1c58dd484668c1cbacc0c6e.tar.gz llvm-02c2ecf9f166522cc1c58dd484668c1cbacc0c6e.tar.bz2 llvm-02c2ecf9f166522cc1c58dd484668c1cbacc0c6e.tar.xz | |
X86: Fold EXTRACT_SUBVECTORs of a BUILD_VECTOR into a smaller BUILD_VECTOR.
That can usually be lowered efficiently and is common in sandybridge code.
It would be nice to do this in DAGCombiner but we can't insert arbitrary
BUILD_VECTORs this late.
Fixes PR15462.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176634 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx-vpermil.ll')
| -rw-r--r-- | test/CodeGen/X86/avx-vpermil.ll | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/CodeGen/X86/avx-vpermil.ll b/test/CodeGen/X86/avx-vpermil.ll index cb904b9331..7f2f9d821d 100644 --- a/test/CodeGen/X86/avx-vpermil.ll +++ b/test/CodeGen/X86/avx-vpermil.ll @@ -45,8 +45,8 @@ entry: ret <8 x float> %shuffle } -; CHECK: palignr -; CHECK: palignr +; CHECK: palignr $8 +; CHECK: psrldq $8 define <8 x float> @funcF(<8 x float> %a) nounwind uwtable readnone ssp { entry: %shuffle = shufflevector <8 x float> %a, <8 x float> zeroinitializer, <8 x i32> <i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9> |