Commit 94a4a2c9 authored by Simon Pilgrim's avatar Simon Pilgrim
Browse files

[X86][SSE] combineX86ShuffleChain - use resolveZeroablesFromTargetShuffle helper. NFCI.

parent 7904bd94

llvm/lib/Target/X86/X86ISelLowering.cpp

+3 −4
Original line number Diff line number Diff line
@@ -32414,10 +32414,9 @@ static SDValue combineX86ShuffleChain(ArrayRef<SDValue> Inputs, SDValue Root, 
                        (!MaskVT.is256BitVector() || Subtarget.hasAVX2());















  // Determine zeroable mask elements.













  APInt Zeroable(NumMaskElts, 0);













  for (unsigned i = 0; i != NumMaskElts; ++i)













    if (isUndefOrZero(Mask[i]))













      Zeroable.setBit(i);













  APInt KnownUndef, KnownZero;













  resolveZeroablesFromTargetShuffle(Mask, KnownUndef, KnownZero);













  APInt Zeroable = KnownUndef | KnownZero;





























  if (UnaryShuffle) {















    // If we are shuffling a X86ISD::VZEXT_LOAD then we can use the load