[llvm] r277947 - [X86] Simplify a shuffle mask copy. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sun Aug  7 00:39:46 2016
New Revision: 277947

URL: http://llvm.org/viewvc/llvm-project?rev=277947&view=rev
Log:
[X86] Simplify a shuffle mask copy. NFC

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=277947&r1=277946&r2=277947&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sun Aug  7 00:39:46 2016
@@ -26075,10 +26075,8 @@ static SDValue combineShuffleToAddSub(SD
   if (N->getOpcode() != ISD::VECTOR_SHUFFLE)
     return SDValue();
 
-  auto *SVN = cast<ShuffleVectorSDNode>(N);
-  SmallVector<int, 8> Mask;
-  for (int M : SVN->getMask())
-    Mask.push_back(M);
+  ArrayRef<int> OrigMask = cast<ShuffleVectorSDNode>(N)->getMask();
+  SmallVector<int, 8> Mask(OrigMask.begin(), OrigMask.end());
 
   SDValue V1 = N->getOperand(0);
   SDValue V2 = N->getOperand(1);