77   StringRef Comment(CommentText);  in HandleComment()  local
78   if (Comment.empty())  in HandleComment()
82   unsigned Position = Comment.find_first_not_of(" \t");  in HandleComment()
83   if (Position >= Comment.size())  in HandleComment()
87   Comment = Comment.drop_front(Position);  in HandleComment()
88   if (Comment.consume_front("LLVM-MCA-END")) {  in HandleComment()
90     Position = Comment.find_first_not_of(" \t");  in HandleComment()
91     if (Position < Comment.size())  in HandleComment()
92       Comment = Comment.drop_front(Position);  in HandleComment()
93     Regions.endRegion(Comment, Loc);  in HandleComment()
98   if (!Comment.consume_front("LLVM-MCA-BEGIN"))  in HandleComment()
102   Position = Comment.find_first_not_of(" \t");  in HandleComment()
103   if (Position < Comment.size())  in HandleComment()
104     Comment = Comment.drop_front(Position);  in HandleComment()
106   Regions.beginRegion(Comment, Loc);  in HandleComment()