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

[Igor Laevsky]

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D10571

Files:
  lib/Transforms/InstCombine/InstCombineCasts.cpp
  lib/Transforms/InstCombine/InstCombineInternal.h
  test/Transforms/InstCombine/trunc.ll

EMAIL PREFERENCES
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