993   Value *VB = Or->user_back();  in shouldConvertOrWithNoCommonBitsToAdd()
1038   Value *VB = Sub->user_back();  in ShouldBreakUpSubtract()
2026       while (Op->hasOneUse() && Op->user_back()->getOpcode() == Opcode &&  in EraseInst()
2028         Op = Op->user_back();  in EraseInst()
2182          (isReassociableOp(I->user_back(), Instruction::Mul) ||  in OptimizeInst()
2183           isReassociableOp(I->user_back(), Instruction::Add)))) {  in OptimizeInst()
2239            !isReassociableOp(I->user_back(), Instruction::Mul))) {  in OptimizeInst()
2266            !isReassociableOp(I->user_back(), Instruction::FMul))) {  in OptimizeInst()
2288   if (BO->hasOneUse() && BO->user_back()->getOpcode() == Opcode) {  in OptimizeInst()
2292     if (BO->user_back() != BO &&  in OptimizeInst()
2293         BO->getParent() == BO->user_back()->getParent())  in OptimizeInst()
2294       RedoInsts.insert(BO->user_back());  in OptimizeInst()
2301       cast<Instruction>(BO->user_back())->getOpcode() == Instruction::Sub)  in OptimizeInst()
2304       cast<Instruction>(BO->user_back())->getOpcode() == Instruction::FSub)  in OptimizeInst()
2357         cast<Instruction>(I->user_back())->getOpcode() == Instruction::Add &&  in ReassociateExpression()
2363                cast<Instruction>(I->user_back())->getOpcode() ==  in ReassociateExpression()
2447       if (I.hasOneUse() && I.user_back()->getOpcode() == I.getOpcode())  in BuildPairMap()