MC: Add target hook to control symbol quoting
llvm-svn: 239370
diff --git a/llvm/lib/MC/MCAsmInfo.cpp b/llvm/lib/MC/MCAsmInfo.cpp
index b5d1c28..100dc7c 100644
--- a/llvm/lib/MC/MCAsmInfo.cpp
+++ b/llvm/lib/MC/MCAsmInfo.cpp
@@ -50,6 +50,7 @@
Code64Directive = ".code64";
AssemblerDialect = 0;
AllowAtInName = false;
+ SupportsQuotedNames = true;
UseDataRegionDirectives = false;
ZeroDirective = "\t.zero\t";
AsciiDirective = "\t.ascii\t";
@@ -137,3 +138,22 @@
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;
+}