Remove unused member variable.

[oota-llvm.git] / lib / MC / MCSymbol.cpp

diff --git a/lib/MC/MCSymbol.cpp b/lib/MC/MCSymbol.cpp
index f386c3bc90aca85fc65e8cf1ae96cee334dfcfd7..24165254e56a67d115c700f3f797df7f03086459 100644 (file)
--- a/lib/MC/MCSymbol.cpp
+++ b/lib/MC/MCSymbol.cpp
@@ -18,10 +18,12 @@ const MCSection *MCSymbol::AbsolutePseudoSection =
   reinterpret_cast<const MCSection *>(1);
 
 static bool isAcceptableChar(char C) {
-  return (C >= 'a' && C <= 'z') ||
-         (C >= 'A' && C <= 'Z') ||
-         (C >= '0' && C <= '9') ||
-         C == '_' || C == '$' || C == '.';
+  if ((C < 'a' || C > 'z') &&
+      (C < 'A' || C > 'Z') &&
+      (C < '0' || C > '9') &&
+      C != '_' && C != '$' && C != '.' && C != '@')
+    return false;
+  return true;
 }
 
 /// NameNeedsQuoting - Return true if the identifier \p Str needs quotes to be
@@ -66,12 +68,23 @@ void MCSymbol::print(raw_ostream &OS) const {
   // The name for this MCSymbol is required to be a valid target name.  However,
   // some targets support quoting names with funny characters.  If the name
   // contains a funny character, then print it quoted.
-  if (!NameNeedsQuoting(getName())) {
-    OS << getName();
+  StringRef Name = getName();
+  if (!NameNeedsQuoting(Name)) {
+    OS << Name;
     return;
   }
 
-  OS << '"' << getName() << '"';
+  OS << '"';
+  for (unsigned I = 0, E = Name.size(); I != E; ++I) {
+    char C = Name[I];
+    if (C == '\n')
+      OS << "\\n";
+    else if (C == '"')
+      OS << "\\\"";
+    else
+      OS << C;
+  }
+  OS << '"';
 }
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)