From 25210da75746362badd623be54944439b2e64dbf Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Sat, 10 May 2008 00:58:41 +0000 Subject: [PATCH] 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 --- lib/Target/X86/X86ISelLowering.cpp | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index e9605bb174b..b30a13c67cc 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. -- 2.34.1