[llvm] r290705 - [InstCombine] Use a 32-bits instead of 64-bits for storing the number of elements in VectorType for a ShuffleVector. While there getVectorNumElements to avoid an explicit cast. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Wed Dec 28 22:24:32 2016
New Revision: 290705

URL: http://llvm.org/viewvc/llvm-project?rev=290705&view=rev
Log:
[InstCombine] Use a 32-bits instead of 64-bits for storing the number of elements in VectorType for a ShuffleVector. While there getVectorNumElements to avoid an explicit cast. NFC

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

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp?rev=290705&r1=290704&r2=290705&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp Wed Dec 28 22:24:32 2016
@@ -1021,8 +1021,8 @@ Value *InstCombiner::SimplifyDemandedVec
   }
   case Instruction::ShuffleVector: {
     ShuffleVectorInst *Shuffle = cast<ShuffleVectorInst>(I);
-    uint64_t LHSVWidth =
-      cast<VectorType>(Shuffle->getOperand(0)->getType())->getNumElements();
+    unsigned LHSVWidth =
+      Shuffle->getOperand(0)->getType()->getVectorNumElements();
     APInt LeftDemanded(LHSVWidth, 0), RightDemanded(LHSVWidth, 0);
     for (unsigned i = 0; i < VWidth; i++) {
       if (DemandedElts[i]) {