Transforms/Scalar/Reassociate.cpp

592       if (BinaryOperator *BO = isReassociableOp(Op, Opcode)) {
595         Worklist.push_back(std::make_pair(BO, Weight));
631         if (BinaryOperator *BO = isReassociableOp(Op, Opcode)) {
633           Worklist.push_back(std::make_pair(BO, It->second));
662       if (BinaryOperator *BO = dyn_cast<BinaryOperator>(Op))
663         if ((Opcode == Instruction::Mul && BinaryOperator::isNeg(BO)) ||
664             (Opcode == Instruction::FMul && BinaryOperator::isFNeg(BO))) {
666           BO = LowerNegateToMultiply(BO);
667           DEBUG(dbgs() << *BO << '\n');
668           Worklist.push_back(std::make_pair(BO, Weight));
779         BinaryOperator *BO = isReassociableOp(OldLHS, Opcode);
780         if (BO && !NotRewritable.count(BO))
781           NodesToRewrite.push_back(BO);
785         BinaryOperator *BO = isReassociableOp(OldRHS, Opcode);
786         if (BO && !NotRewritable.count(BO))
787           NodesToRewrite.push_back(BO);
810         BinaryOperator *BO = isReassociableOp(Op->getOperand(1), Opcode);
811         if (BO && !NotRewritable.count(BO))
812           NodesToRewrite.push_back(BO);
824     BinaryOperator *BO = isReassociableOp(Op->getOperand(0), Opcode);
825     if (BO && !NotRewritable.count(BO)) {
826       Op = BO;
1099   BinaryOperator *BO = isReassociableOp(V, Instruction::Mul, Instruction::FMul);
1100   if (!BO)
1104   MadeChange |= LinearizeExprTree(BO, Tree);
1146     RewriteExprTree(BO, Factors);
1150   BasicBlock::iterator InsertPt = ++BO->getIterator();
1155     RedoInsts.insert(BO);
1158     RewriteExprTree(BO, Factors);
1159     V = BO;
1163     V = CreateNeg(V, "neg", &*InsertPt, BO);
1175   BinaryOperator *BO = isReassociableOp(V, Instruction::Mul, Instruction::FMul);
1176   if (!BO) {
1182   FindSingleUseMultiplyFactors(BO->getOperand(1), Factors, Ops);
1183   FindSingleUseMultiplyFactors(BO->getOperand(0), Factors, Ops);
2149   BinaryOperator *BO = cast<BinaryOperator>(I);
2153   unsigned Opcode = BO->getOpcode();
2154   if (BO->hasOneUse() && BO->user_back()->getOpcode() == Opcode) {
2158     if (BO->user_back() != BO &&
2159         BO->getParent() == BO->user_back()->getParent())
2160       RedoInsts.insert(BO->user_back());
2166   if (BO->hasOneUse() && BO->getOpcode() == Instruction::Add &&
2167       cast<Instruction>(BO->user_back())->getOpcode() == Instruction::Sub)
2169   if (BO->hasOneUse() && BO->getOpcode() == Instruction::FAdd &&
2170       cast<Instruction>(BO->user_back())->getOpcode() == Instruction::FSub)
2173   ReassociateExpression(BO);