21   if (Op.getOp() == dwarf::DW_OP_constu)  in isConstantVal()
29   case dwarf::DW_OP_plus:  in isNeutralElement()
30   case dwarf::DW_OP_minus:  in isNeutralElement()
31   case dwarf::DW_OP_shl:  in isNeutralElement()
32   case dwarf::DW_OP_shr:  in isNeutralElement()
34   case dwarf::DW_OP_mul:  in isNeutralElement()
35   case dwarf::DW_OP_div:  in isNeutralElement()
46                         dwarf::LocationAtom Operator) {  in foldOperationIfPossible()
50   case dwarf::DW_OP_plus: {  in foldOperationIfPossible()
56   case dwarf::DW_OP_minus: {  in foldOperationIfPossible()
61   case dwarf::DW_OP_shl: {  in foldOperationIfPossible()
66   case dwarf::DW_OP_shr: {  in foldOperationIfPossible()
71   case dwarf::DW_OP_mul: {  in foldOperationIfPossible()
77   case dwarf::DW_OP_div: {  in foldOperationIfPossible()
89 static bool operationsAreFoldableAndCommutative(dwarf::LocationAtom Operator1,  in operationsAreFoldableAndCommutative()
90                                                 dwarf::LocationAtom Operator2) {  in operationsAreFoldableAndCommutative()
92          (Operator1 == dwarf::DW_OP_plus || Operator1 == dwarf::DW_OP_mul);  in operationsAreFoldableAndCommutative()
124     if (OpRaw >= dwarf::DW_OP_lit0 && OpRaw <= dwarf::DW_OP_lit31) {  in canonicalizeDwarfOperations()
125       ResultOps.push_back(dwarf::DW_OP_constu);  in canonicalizeDwarfOperations()
126       ResultOps.push_back(OpRaw - dwarf::DW_OP_lit0);  in canonicalizeDwarfOperations()
130     if (OpRaw == dwarf::DW_OP_plus_uconst) {  in canonicalizeDwarfOperations()
131       ResultOps.push_back(dwarf::DW_OP_constu);  in canonicalizeDwarfOperations()
133       ResultOps.push_back(dwarf::DW_OP_plus);  in canonicalizeDwarfOperations()
159     if (Op1Raw == dwarf::DW_OP_constu && Op1->getArg(0) == 0) {  in optimizeDwarfOperations()
160       ResultOps.push_back(dwarf::DW_OP_lit0);  in optimizeDwarfOperations()
175     if (Op1Raw == dwarf::DW_OP_constu && Op2Raw == dwarf::DW_OP_plus) {  in optimizeDwarfOperations()
176       ResultOps.push_back(dwarf::DW_OP_plus_uconst);  in optimizeDwarfOperations()
217       Const1, *Const2, static_cast<dwarf::LocationAtom>(Ops[2].getOp()));  in tryFoldConstants()
223   WorkingOps[Loc] = dwarf::DW_OP_constu;  in tryFoldConstants()
238   auto Operand1 = static_cast<dwarf::LocationAtom>(Ops[1].getOp());  in tryFoldCommutativeMath()
239   auto Operand2 = static_cast<dwarf::LocationAtom>(Ops[3].getOp());  in tryFoldCommutativeMath()
250   WorkingOps[Loc] = dwarf::DW_OP_constu;  in tryFoldCommutativeMath()
265   auto Operand1 = static_cast<dwarf::LocationAtom>(Ops[1].getOp());  in tryFoldCommutativeMathWithArgInBetween()
266   auto Operand2 = static_cast<dwarf::LocationAtom>(Ops[3].getOp());  in tryFoldCommutativeMathWithArgInBetween()
267   auto Operand3 = static_cast<dwarf::LocationAtom>(Ops[5].getOp());  in tryFoldCommutativeMathWithArgInBetween()
269   if (!Const2 || Ops[2].getOp() != dwarf::DW_OP_LLVM_arg ||  in tryFoldCommutativeMathWithArgInBetween()
280   WorkingOps[Loc] = dwarf::DW_OP_constu;  in tryFoldCommutativeMathWithArgInBetween()