296     Instruction* op_inst =  in MergeNegateArithmetic()  local
298     if (HasFloatingPoint(type) && !op_inst->IsFloatingPointFoldingAllowed())  in MergeNegateArithmetic()
301     if (op_inst->opcode() == inst->opcode()) {  in MergeNegateArithmetic()
305           {{SPV_OPERAND_TYPE_ID, {op_inst->GetSingleWordInOperand(0u)}}});  in MergeNegateArithmetic()
331     Instruction* op_inst =  in MergeNegateMulDivArithmetic()  local
333     if (HasFloatingPoint(type) && !op_inst->IsFloatingPointFoldingAllowed())  in MergeNegateMulDivArithmetic()
339     SpvOp opcode = op_inst->opcode();  in MergeNegateMulDivArithmetic()
343           const_mgr->GetOperandConstants(op_inst);  in MergeNegateMulDivArithmetic()
350                                     ? op_inst->GetSingleWordInOperand(0u)  in MergeNegateMulDivArithmetic()
351                                     : op_inst->GetSingleWordInOperand(1u);  in MergeNegateMulDivArithmetic()
353         inst->SetOpcode(op_inst->opcode());  in MergeNegateMulDivArithmetic()
389     Instruction* op_inst =  in MergeNegateAddSubArithmetic()  local
391     if (HasFloatingPoint(type) && !op_inst->IsFloatingPointFoldingAllowed())  in MergeNegateAddSubArithmetic()
397     if (op_inst->opcode() == SpvOpFAdd || op_inst->opcode() == SpvOpFSub ||  in MergeNegateAddSubArithmetic()
398         op_inst->opcode() == SpvOpIAdd || op_inst->opcode() == SpvOpISub) {  in MergeNegateAddSubArithmetic()
400           const_mgr->GetOperandConstants(op_inst);  in MergeNegateAddSubArithmetic()
403         bool is_add = (op_inst->opcode() == SpvOpFAdd) ||  in MergeNegateAddSubArithmetic()
404                       (op_inst->opcode() == SpvOpIAdd);  in MergeNegateAddSubArithmetic()
412           const_id = zero_is_variable ? op_inst->GetSingleWordInOperand(1u)  in MergeNegateAddSubArithmetic()
413                                       : op_inst->GetSingleWordInOperand(0u);  in MergeNegateAddSubArithmetic()
418             zero_is_variable ? op_inst->GetSingleWordInOperand(0u) : const_id;  in MergeNegateAddSubArithmetic()
420             zero_is_variable ? const_id : op_inst->GetSingleWordInOperand(1u);  in MergeNegateAddSubArithmetic()
677       Instruction* op_inst = def_use_mgr->GetDef(op_id);  in MergeMulDivArithmetic()  local
678       if (op_inst->opcode() == SpvOpFDiv) {  in MergeMulDivArithmetic()
679         if (op_inst->GetSingleWordInOperand(1) ==  in MergeMulDivArithmetic()
683               {{SPV_OPERAND_TYPE_ID, {op_inst->GetSingleWordInOperand(0)}}});  in MergeMulDivArithmetic()
861     Instruction* op_inst = def_use_mgr->GetDef(op_id);  in MergeDivMulArithmetic()  local
863     if (op_inst->opcode() == SpvOpFMul) {  in MergeDivMulArithmetic()
865         if (op_inst->GetSingleWordInOperand(i) ==  in MergeDivMulArithmetic()
869                                 {op_inst->GetSingleWordInOperand(1 - i)}}});  in MergeDivMulArithmetic()