[AsmParser] Hash is not a comment on some targets

The '#' token is not a comment for all targets (on ARM and AArch64 it marks an
immediate operand), so we shouldn't treat it as such.

Comments are already converted to AsmToken::EndOfStatement by
AsmLexer::LexLineComment, so this check was unnecessary.

Differential Revision: https://reviews.llvm.org/D36405

llvm-svn: 310457

2 files changed, 0 insertions, 18 deletions

diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp
index a75476d2298..b0f6a4cd501 100644
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -1648,16 +1648,6 @@ bool AsmParser::parseStatement(ParseStatementInfo &Info,
     Lex();
     return false;
   }
-  if (Lexer.is(AsmToken::Hash)) {
-    // Seeing a hash here means that it was an end-of-line comment in
-    // an asm syntax where hash's are not comment and the previous
-    // statement parser did not check the end of statement. Relex as
-    // EndOfStatement.
-    StringRef CommentStr = parseStringToEndOfStatement();
-    Lexer.Lex();
-    Lexer.UnLex(AsmToken(AsmToken::EndOfStatement, CommentStr));
-    return false;
-  }
   // Statements always start with an identifier.
   AsmToken ID = getTok();
   SMLoc IDLoc = ID.getLoc();
diff --git a/llvm/lib/MC/MCParser/MCAsmParser.cpp b/llvm/lib/MC/MCParser/MCAsmParser.cpp
index ea36b3b9b3b..6a4c74cd57f 100644
--- a/llvm/lib/MC/MCParser/MCAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/MCAsmParser.cpp
@@ -40,11 +40,6 @@ bool MCAsmParser::parseTokenLoc(SMLoc &Loc) {
 }
 
 bool MCAsmParser::parseEOL(const Twine &Msg) {
-  if (getTok().getKind() == AsmToken::Hash) {
-    StringRef CommentStr = parseStringToEndOfStatement();
-    getLexer().Lex();
-    getLexer().UnLex(AsmToken(AsmToken::EndOfStatement, CommentStr));
-  }
   if (getTok().getKind() != AsmToken::EndOfStatement)
     return Error(getTok().getLoc(), Msg);
   Lex();
@@ -70,9 +65,6 @@ bool MCAsmParser::parseIntToken(int64_t &V, const Twine &Msg) {
 
 bool MCAsmParser::parseOptionalToken(AsmToken::TokenKind T) {
   bool Present = (getTok().getKind() == T);
-  // if token is EOL and current token is # this is an EOL comment.
-  if (getTok().getKind() == AsmToken::Hash && T == AsmToken::EndOfStatement)
-    Present = true;
   if (Present)
     parseToken(T);
   return Present;