406   auto IsReassociableFMA = [&](const MachineInstr &Instr, int16_t &AddOpIdx,  in getFMAPatterns()
426     AddOpIdx = FMAOpIdxInfo[Idx][InfoArrayIdxAddOpIdx];  in getFMAPatterns()
428     const MachineOperand &OpAdd = Instr.getOperand(AddOpIdx);  in getFMAPatterns()
439   int16_t AddOpIdx = -1;  in getFMAPatterns()  local
456     if (IsReassociableFMA(Root, AddOpIdx, MulOpIdx, true)) {  in getFMAPatterns()
511   AddOpIdx = -1;  in getFMAPatterns()
512   if (!IsReassociableFMA(Root, AddOpIdx, MulOpIdx, false))  in getFMAPatterns()
515   assert((AddOpIdx >= 0) && "add operand index not right!");  in getFMAPatterns()
517   Register RegB = Root.getOperand(AddOpIdx).getReg();  in getFMAPatterns()
521   AddOpIdx = -1;  in getFMAPatterns()
522   if (!IsReassociableFMA(*Prev, AddOpIdx, MulOpIdx, false))  in getFMAPatterns()
525   assert((AddOpIdx >= 0) && "add operand index not right!");  in getFMAPatterns()
527   Register RegA = Prev->getOperand(AddOpIdx).getReg();  in getFMAPatterns()
529   AddOpIdx = -1;  in getFMAPatterns()
530   if (IsReassociableFMA(*Leaf, AddOpIdx, MulOpIdx, true)) {  in getFMAPatterns()
815   uint16_t AddOpIdx = FMAOpIdxInfo[Idx][InfoArrayIdxAddOpIdx];  in reassociateFMA()  local
825     Prev = MRI.getUniqueVRegDef(Root.getOperand(AddOpIdx).getReg());  in reassociateFMA()
826     Leaf = MRI.getUniqueVRegDef(Prev->getOperand(AddOpIdx).getReg());  in reassociateFMA()
861     GetOperandInfo(Instr.getOperand(AddOpIdx), AddOp, AddOpKillFlag);  in reassociateFMA()
877     GetOperandInfo(Leaf->getOperand(AddOpIdx), RegX, KillX);  in reassociateFMA()
911     MI->getOperand(AddOpIdx).setReg(RegAdd);  in reassociateFMA()
912     MI->getOperand(AddOpIdx).setIsKill(KillAdd);  in reassociateFMA()
936     if (AddOpIdx != 1) {  in reassociateFMA()
977     if (AddOpIdx != 1) {  in reassociateFMA()