maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

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

llvm-svn: 288138
This commit is contained in:
Simon Pilgrim 2016-11-29 13:43:08 +00:00
parent 160bf723f5
commit 923020a652
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -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;