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

[Igor Laevsky via llvm-commits]

igor-laevsky added a comment.

In http://reviews.llvm.org/D10571#222989, @majnemer wrote:

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


Sure. Please take a look at  http://reviews.llvm.org/D12012 and http://reviews.llvm.org/D12013


Repository:
  rL LLVM

http://reviews.llvm.org/D10571