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, 10 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp
index b0f6a4cd501..a75476d2298 100644
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -1648,6 +1648,16 @@ 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();