80   StringRef::iterator I = Str.begin(), E = Str.end();  in Parse()  local
99   if (*I == '~') {  in Parse()
101     ++I;  in Parse()
104     if (I != E && *I != '{')  in Parse()
106   } else if (*I == '=') {  in Parse()
107     ++I;  in Parse()
109   } else if (*I == '!') {  in Parse()
110     ++I;  in Parse()
114   if (*I == '*') {  in Parse()
116     ++I;  in Parse()
119   if (I == E) return true;  // Just a prefix, like "==" or "~".  in Parse()
124     switch (*I) {  in Parse()
146       ++I;  in Parse()
147       if (I == E) return true;   // Just prefixes and modifiers!  in Parse()
152   while (I != E) {  in Parse()
153     if (*I == '{') {   // Physical register reference.  in Parse()
155       StringRef::iterator ConstraintEnd = std::find(I+1, E, '}');  in Parse()
157       pCodes->push_back(std::string(StringRef(I, ConstraintEnd + 1 - I)));  in Parse()
158       I = ConstraintEnd+1;  in Parse()
159     } else if (isdigit(static_cast<unsigned char>(*I))) { // Matching Constraint  in Parse()
161       StringRef::iterator NumStart = I;  in Parse()
162       while (I != E && isdigit(static_cast<unsigned char>(*I)))  in Parse()
163         ++I;  in Parse()
164       pCodes->push_back(std::string(StringRef(NumStart, I - NumStart)));  in Parse()
193     } else if (*I == '|') {  in Parse()
196       ++I;  in Parse()
197     } else if (*I == '^') {  in Parse()
200       pCodes->push_back(std::string(StringRef(I + 1, 2)));  in Parse()
201       I += 3;  in Parse()
202     } else if (*I == '@') {  in Parse()
204       ++I;  in Parse()
205       unsigned char C = static_cast<unsigned char>(*I);  in Parse()
209       ++I;  in Parse()
210       pCodes->push_back(std::string(StringRef(I, N)));  in Parse()
211       I += N;  in Parse()
214       pCodes->push_back(std::string(StringRef(I, 1)));  in Parse()
215       ++I;  in Parse()
239   for (StringRef::iterator I = Constraints.begin(),  in ParseConstraints()  local
240          E = Constraints.end(); I != E; ) {  in ParseConstraints()
244     StringRef::iterator ConstraintEnd = std::find(I, E, ',');  in ParseConstraints()
246     if (ConstraintEnd == I ||  // Empty constraint like ",,"  in ParseConstraints()
247         Info.Parse(StringRef(I, ConstraintEnd-I), Result)) {  in ParseConstraints()
256     I = ConstraintEnd;  in ParseConstraints()
257     if (I != E) {  in ParseConstraints()
258       ++I;  in ParseConstraints()
259       if (I == E) {  in ParseConstraints()