[PATCH] D10571: Allow InstCombiner to eliminate truncates even if it will require inserting additional instructions

[David Majnemer via llvm-commits]

majnemer added a comment.

Could this be split into two changes: one which adds the cost model and another which teaches `EvaluateInDifferentType` how to insert truncates?


Repository:
  rL LLVM

http://reviews.llvm.org/D10571