forked from OSchip/llvm-project
[DAGCombiner] make variable name less ambiguous; NFC
llvm-svn: 358886
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3275742898
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@ -17944,9 +17944,9 @@ static SDValue combineShuffleOfSplatVal(ShuffleVectorSDNode *Shuf,
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if (!Splat || !Splat->isSplat())
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return SDValue();
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ArrayRef<int> Mask = Shuf->getMask();
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ArrayRef<int> ShufMask = Shuf->getMask();
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ArrayRef<int> SplatMask = Splat->getMask();
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assert(Mask.size() == SplatMask.size() && "Mask length mismatch");
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assert(ShufMask.size() == SplatMask.size() && "Mask length mismatch");
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// Prefer simplifying to the splat-shuffle, if possible. This is legal if
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// every undef mask element in the splat-shuffle has a corresponding undef
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@ -17972,13 +17972,13 @@ static SDValue combineShuffleOfSplatVal(ShuffleVectorSDNode *Shuf,
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return false;
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return true;
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};
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if (CanSimplifyToExistingSplat(Mask, SplatMask))
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if (CanSimplifyToExistingSplat(ShufMask, SplatMask))
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return Shuf->getOperand(0);
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// Create a new shuffle with a mask that is composed of the two shuffles'
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// masks.
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SmallVector<int, 32> NewMask;
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for (int Idx : Mask)
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for (int Idx : ShufMask)
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NewMask.push_back(Idx == -1 ? -1 : SplatMask[Idx]);
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return DAG.getVectorShuffle(Splat->getValueType(0), SDLoc(Splat),
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