The question prior to any of that is how many lines of tablegen LLVM has According to a cloc definition I just did: LLVM Table Gen files: 1041

The question prior to any of that is how many lines of tablegen LLVM has According to a cloc definition I just did: LLVM Table Gen files: 1041 blank: 75684 comment: 69272 code: 480047 Probably enough to warrant a faster lexer.