[llvm-commits] [llvm] r142672 - /llvm/trunk/lib/Transforms/InstCombine/InstCombineVectorOps.cpp

[Eli Friedman]

Author: efriedma
Date: Fri Oct 21 14:11:34 2011
New Revision: 142672

URL: http://llvm.org/viewvc/llvm-project?rev=142672&view=rev
Log:
Minor simplification: use ShuffleVectorInst::getMaskValue instead of a more expensive helper.


Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstCombineVectorOps.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineVectorOps.cpp?rev=142672&r1=142671&r2=142672&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineVectorOps.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineVectorOps.cpp Fri Oct 21 14:11:34 2011
@@ -108,7 +108,7 @@
   if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(V)) {
     unsigned LHSWidth =
       cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements();
-    int InEl = getShuffleMask(SVI)[EltNo];
+    int InEl = SVI->getMaskValue(EltNo);
     if (InEl < 0)
       return UndefValue::get(PTy->getElementType());
     if (InEl < (int)LHSWidth)
@@ -212,7 +212,7 @@
       // If this is extracting an element from a shufflevector, figure out where
       // it came from and extract from the appropriate input element instead.
       if (ConstantInt *Elt = dyn_cast<ConstantInt>(EI.getOperand(1))) {
-        int SrcIdx = getShuffleMask(SVI)[Elt->getZExtValue()];
+        int SrcIdx = SVI->getMaskValue(Elt->getZExtValue());
         Value *Src;
         unsigned LHSWidth =
           cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements();