- const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, Context);
- return MCBinaryExpr::CreateSub(Res, PC, Context);
+ const MCExpr *PC = MCSymbolRefExpr::create(PCSym, Context);
+ return MCBinaryExpr::createSub(Res, PC, Context);
+}
+
+static bool isAcceptableChar(char C) {
+ return (C >= 'a' && C <= 'z') || (C >= 'A' && C <= 'Z') ||
+ (C >= '0' && C <= '9') || C == '_' || C == '$' || C == '.' || C == '@';
+}
+
+bool MCAsmInfo::isValidUnquotedName(StringRef Name) const {
+ if (Name.empty())
+ return false;
+
+ // If any of the characters in the string is an unacceptable character, force
+ // quotes.
+ for (char C : Name) {
+ if (!isAcceptableChar(C))
+ return false;
+ }
+
+ return true;