256     Instruction* op_inst =  in MergeNegateArithmetic()  local
258     if (HasFloatingPoint(type) && !op_inst->IsFloatingPointFoldingAllowed())  in MergeNegateArithmetic()
261     if (op_inst->opcode() == inst->opcode()) {  in MergeNegateArithmetic()
265           {{SPV_OPERAND_TYPE_ID, {op_inst->GetSingleWordInOperand(0u)}}});  in MergeNegateArithmetic()
291     Instruction* op_inst =  in MergeNegateMulDivArithmetic()  local
293     if (HasFloatingPoint(type) && !op_inst->IsFloatingPointFoldingAllowed())  in MergeNegateMulDivArithmetic()
299     SpvOp opcode = op_inst->opcode();  in MergeNegateMulDivArithmetic()
303           const_mgr->GetOperandConstants(op_inst);  in MergeNegateMulDivArithmetic()
310                                     ? op_inst->GetSingleWordInOperand(0u)  in MergeNegateMulDivArithmetic()
311                                     : op_inst->GetSingleWordInOperand(1u);  in MergeNegateMulDivArithmetic()
313         inst->SetOpcode(op_inst->opcode());  in MergeNegateMulDivArithmetic()
349     Instruction* op_inst =  in MergeNegateAddSubArithmetic()  local
351     if (HasFloatingPoint(type) && !op_inst->IsFloatingPointFoldingAllowed())  in MergeNegateAddSubArithmetic()
357     if (op_inst->opcode() == SpvOpFAdd || op_inst->opcode() == SpvOpFSub ||  in MergeNegateAddSubArithmetic()
358         op_inst->opcode() == SpvOpIAdd || op_inst->opcode() == SpvOpISub) {  in MergeNegateAddSubArithmetic()
360           const_mgr->GetOperandConstants(op_inst);  in MergeNegateAddSubArithmetic()
363         bool is_add = (op_inst->opcode() == SpvOpFAdd) ||  in MergeNegateAddSubArithmetic()
364                       (op_inst->opcode() == SpvOpIAdd);  in MergeNegateAddSubArithmetic()
372           const_id = zero_is_variable ? op_inst->GetSingleWordInOperand(1u)  in MergeNegateAddSubArithmetic()
373                                       : op_inst->GetSingleWordInOperand(0u);  in MergeNegateAddSubArithmetic()
378             zero_is_variable ? op_inst->GetSingleWordInOperand(0u) : const_id;  in MergeNegateAddSubArithmetic()
380             zero_is_variable ? const_id : op_inst->GetSingleWordInOperand(1u);  in MergeNegateAddSubArithmetic()
638       Instruction* op_inst = def_use_mgr->GetDef(op_id);  in MergeMulDivArithmetic()  local
639       if (op_inst->opcode() == SpvOpFDiv) {  in MergeMulDivArithmetic()
640         if (op_inst->GetSingleWordInOperand(1) ==  in MergeMulDivArithmetic()
644               {{SPV_OPERAND_TYPE_ID, {op_inst->GetSingleWordInOperand(0)}}});  in MergeMulDivArithmetic()
822     Instruction* op_inst = def_use_mgr->GetDef(op_id);  in MergeDivMulArithmetic()  local
824     if (op_inst->opcode() == SpvOpFMul) {  in MergeDivMulArithmetic()
826         if (op_inst->GetSingleWordInOperand(i) ==  in MergeDivMulArithmetic()
830                                 {op_inst->GetSingleWordInOperand(1 - i)}}});  in MergeDivMulArithmetic()