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| author | Evan Cheng <evan.cheng@apple.com> | 2008-05-10 00:58:41 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-05-10 00:58:41 +0000 |
| commit | 5b0c30e19d7e2bd58be769b0c85f00fad59405b7 (patch) | |
| tree | 0c14aa5903c1d760fb9b703fb8748e1142986f01 | |
| parent | 7418d080e53c917d409314088b48d032c33e217c (diff) | |
| download | external_llvm-5b0c30e19d7e2bd58be769b0c85f00fad59405b7.zip external_llvm-5b0c30e19d7e2bd58be769b0c85f00fad59405b7.tar.gz external_llvm-5b0c30e19d7e2bd58be769b0c85f00fad59405b7.tar.bz2 | |
If movl top bits are undef, let it be selected to movlps, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50928 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index e9605bb..b30a13c 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -6326,8 +6326,7 @@ static SDOperand PerformBuildVectorCombine(SDNode *N, SelectionDAG &DAG, return SDOperand(); // This must be an insertion into a zero vector. SDOperand HighElt = N->getOperand(1); - if (HighElt.getOpcode() != ISD::UNDEF && - !isZeroNode(HighElt)) + if (!isZeroNode(HighElt)) return SDOperand(); // Value must be a load. |