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

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