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tidy up
1. remove duplicate local variable 2. add local variable with name to match comment 3. remove useless comment git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237715 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -8286,15 +8286,15 @@ SDValue DAGCombiner::visitFDIV(SDNode *N) {
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}
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if (TLI.combineRepeatedFPDivisors(Users.size())) {
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SDLoc DL(N);
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SDValue FPOne = DAG.getConstantFP(1.0, DL, VT); // floating point 1.0
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SDValue FPOne = DAG.getConstantFP(1.0, DL, VT);
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SDValue Reciprocal = DAG.getNode(ISD::FDIV, DL, VT, FPOne, N1);
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// Dividend / Divisor -> Dividend * Reciprocal
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for (auto U : Users) {
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if (U->getOperand(0) != FPOne) {
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SDValue NewNode = DAG.getNode(ISD::FMUL, SDLoc(U), VT,
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U->getOperand(0), Reciprocal);
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SDValue Dividend = U->getOperand(0);
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if (Dividend != FPOne) {
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SDValue NewNode = DAG.getNode(ISD::FMUL, SDLoc(U), VT, Dividend,
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Reciprocal);
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DAG.ReplaceAllUsesWith(U, NewNode.getNode());
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}
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}
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