Revert "[AsmParser] Hash is not a comment on some targets"

This reverts commit r310457.

It causes clang-produced IR to fail llvm codegen.

llvm-svn: 310662

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCParser/MCAsmParser.cpp b/llvm/lib/MC/MCParser/MCAsmParser.cpp
index 6a4c74cd57f..ea36b3b9b3b 100644
--- a/llvm/lib/MC/MCParser/MCAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/MCAsmParser.cpp
@@ -40,6 +40,11 @@ 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();
@@ -65,6 +70,9 @@ 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;