From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Tue, 29 Nov 2016 13:43:08 +0000 (+0000)
Subject: Avoid repeated calls to MVT::getScalarSizeInBits(). NFCI.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c02671cd351d85e230ac9a627e1b643f4b0c2023;p=llvm

Avoid repeated calls to MVT::getScalarSizeInBits(). NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288138 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index bb6faab3a19..02e06572422 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -25447,12 +25447,12 @@ static bool matchUnaryVectorShuffle(MVT MaskVT, ArrayRef<int> Mask,
                                     const X86Subtarget &Subtarget,
                                     unsigned &Shuffle, MVT &ShuffleVT) {
   unsigned NumMaskElts = Mask.size();
+  unsigned MaskEltSize = MaskVT.getScalarSizeInBits();
   bool FloatDomain = MaskVT.isFloatingPoint() ||
                      (!Subtarget.hasAVX2() && MaskVT.is256BitVector());
 
   // Match against a VZEXT_MOVL instruction, SSE1 only supports 32-bits (MOVSS).
-  if (((MaskVT.getScalarSizeInBits() == 32) ||
-       (MaskVT.getScalarSizeInBits() == 64 && Subtarget.hasSSE2())) &&
+  if (((MaskEltSize == 32) || (MaskEltSize == 64 && Subtarget.hasSSE2())) &&
       isUndefOrEqual(Mask[0], 0) &&
       isUndefOrZeroInRange(Mask, 1, NumMaskElts - 1)) {
     Shuffle = X86ISD::VZEXT_MOVL;