Revert r125595, which is an X86-only undocumented assembly syntax extension

enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.

Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.

llvm-svn: 126336

1 files changed, 0 insertions, 18 deletions

diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp
index c6d0da609b3..ae072d883ba 100644
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -173,7 +173,6 @@ private:
   bool ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc);
   bool ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res, SMLoc &EndLoc);
   bool ParseParenExpr(const MCExpr *&Res, SMLoc &EndLoc);
-  bool ParseBracketExpr(const MCExpr *&Res, SMLoc &EndLoc);
 
   /// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
   /// and set \arg Res to the identifier contents.
@@ -493,20 +492,6 @@ bool AsmParser::ParseParenExpr(const MCExpr *&Res, SMLoc &EndLoc) {
   return false;
 }
 
-/// ParseBracketExpr - Parse a bracket expression and return it.
-/// NOTE: This assumes the leading '[' has already been consumed.
-///
-/// bracketexpr ::= expr]
-///
-bool AsmParser::ParseBracketExpr(const MCExpr *&Res, SMLoc &EndLoc) {
-  if (ParseExpression(Res)) return true;
-  if (Lexer.isNot(AsmToken::RBrac))
-    return TokError("expected ']' in brackets expression");
-  EndLoc = Lexer.getLoc();
-  Lex();
-  return false;
-}
-
 /// ParsePrimaryExpr - Parse a primary expression and return it.
 ///  primaryexpr ::= (parenexpr
 ///  primaryexpr ::= symbol
@@ -602,9 +587,6 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) {
   case AsmToken::LParen:
     Lex(); // Eat the '('.
     return ParseParenExpr(Res, EndLoc);
-  case AsmToken::LBrac:
-    Lex(); // Eat the '['.
-    return ParseBracketExpr(Res, EndLoc);
   case AsmToken::Minus:
     Lex(); // Eat the operator.
     if (ParsePrimaryExpr(Res, EndLoc))