[PATCH] Add '-mhle' option and pre-defined macros for HLE

[Rafael Ávila de Espíndola]

  > +  if (HasHLE) {
  > +    Builder.defineMacro("__HLE__");

  Same question as before: gcc doesn't define this macro. Why should we?

  Cheers,
  Rafael

http://llvm-reviews.chandlerc.com/D441