[PATCH] [InstCombine][CodeGenPrep] Create llvm.uadd.with.overflow in CGP.

[Andrew Trick]

What happens if the 'add' and 'cmp' are in different blocks? If we're doing this for codegen, I don't think we want to reorder flag producing instructions.


http://reviews.llvm.org/D8889

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/