[llvm-commits] [llvm] r50928 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Evan Cheng]

Author: evancheng
Date: Fri May  9 19:58:41 2008
New Revision: 50928

URL: http://llvm.org/viewvc/llvm-project?rev=50928&view=rev
Log:
If movl top bits are undef, let it be selected to movlps, etc.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=50928&r1=50927&r2=50928&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri May  9 19:58:41 2008
@@ -6326,8 +6326,7 @@
     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.