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[X86] Add FIXME comment to merge more of computeZeroableShuffleElements and getTargetShuffleAndZeroables

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Simon Pilgrim 2019-10-30 18:26:30 +00:00
parent 94a4a2c97f
commit f25f3d39df
1 changed files with 1 additions and 0 deletions
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llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -6712,6 +6712,7 @@ static bool getTargetShuffleMask(SDNode *N, MVT VT, bool AllowSentinelZero,
/// Decode a target shuffle mask and inputs and see if any values are /// Decode a target shuffle mask and inputs and see if any values are
/// known to be undef or zero from their inputs. /// known to be undef or zero from their inputs.
/// Returns true if the target shuffle mask was decoded. /// Returns true if the target shuffle mask was decoded.
/// FIXME: Merge this with computeZeroableShuffleElements?
static bool getTargetShuffleAndZeroables(SDValue N, SmallVectorImpl<int> &Mask, static bool getTargetShuffleAndZeroables(SDValue N, SmallVectorImpl<int> &Mask,
SmallVectorImpl<SDValue> &Ops, SmallVectorImpl<SDValue> &Ops,
APInt &KnownUndef, APInt &KnownZero) { APInt &KnownUndef, APInt &KnownZero) {