867 std::string ARMTargetInfo::convertConstraint(const char *&Constraint) const {  in convertConstraint()
869   switch (*Constraint) {  in convertConstraint()
871     R = std::string("^") + std::string(Constraint, 2);  in convertConstraint()
872     Constraint++;  in convertConstraint()
878     return std::string(1, *Constraint);  in convertConstraint()
884     StringRef Constraint, char Modifier, unsigned Size,  in validateConstraintModifier()  argument
886   bool isOutput = (Constraint[0] == '=');  in validateConstraintModifier()
887   bool isInOut = (Constraint[0] == '+');  in validateConstraintModifier()
890   while (Constraint[0] == '=' || Constraint[0] == '+' || Constraint[0] == '&')  in validateConstraintModifier()
891     Constraint = Constraint.substr(1);  in validateConstraintModifier()
893   switch (Constraint[0]) {  in validateConstraintModifier()