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[X86] EltsFromConsecutiveLoads - remove old FIXME comment. NFC.

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Its unlikely an undef element in a zero vector will be any use.
This commit is contained in:
Simon Pilgrim 2020-12-02 17:21:41 +00:00
parent 4eb782cbfc
commit b68e123805
1 changed files with 0 additions and 2 deletions
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lib/Target/X86/X86ISelLowering.cpp
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@ -8398,8 +8398,6 @@ static SDValue EltsFromConsecutiveLoads(EVT VT, ArrayRef<SDValue> Elts,
// Handle Special Cases - all undef or undef/zero.
if (UndefMask.countPopulation() == NumElems)
return DAG.getUNDEF(VT);
// FIXME: Should we return this as a BUILD_VECTOR instead?
if ((ZeroMask.countPopulation() + UndefMask.countPopulation()) == NumElems)
return VT.isInteger() ? DAG.getConstant(0, DL, VT)
: DAG.getConstantFP(0.0, DL, VT);