337     bool isOptional =  in computeAttrMetadata()  local
338         attr.hasDefaultValue() || attr.isOptional() || attr.isDerivedAttr();  in computeAttrMetadata()
340         {namedAttr.name, AttributeMetadata{namedAttr.name, !isOptional, attr}});  in computeAttrMetadata()
1000         attr.isOptional() || attr.hasDefaultValue() ? "dyn_cast_or_null"  in genAttrGetters()
1125     if (namedAttr.attr.isOptional())  in genOptionalAttrRemovers()
1223       if (operand.isOptional()) {  in generateNamedOperandGetters()
1372       if (result.isOptional()) {  in genNamedResultGetters()
1517         if (op.getResult(i).isOptional())  in genSeparateArgParamBuilder()
1932       paramList.emplace_back(type, resultName, result.isOptional());  in buildParamList()
1991                              operand->isOptional());  in buildParamList()
2021                            attr.isOptional());  in buildParamList()
2063     if (operand.isOptional())  in genCodeForAddingArgAndRegionForBuilder()
2082       if (operand.isOptional()) {  in genCodeForAddingArgAndRegionForBuilder()
2104         attr.isOptional() || (attr.hasDefaultValue() && !isRawValueAttr);  in genCodeForAddingArgAndRegionForBuilder()
2337         if (attr->attr.isOptional()) {  in genSideEffectInterfaceMethods()
2552     return !value.hasPredicate() && !value.isOptional() &&  in genOperandResultVerifier()
2566     bool isOptional = value.isOptional();  in genOperandResultVerifier()  local
2568     if (!hasPredicate && !isOptional && !isVariadicOfVariadic)  in genOperandResultVerifier()
2577     if (isOptional) {  in genOperandResultVerifier()
2912                     attr.hasDefaultValue() || attr.isOptional()  in OpOperandAdaptorEmitter()