[PATCH] D22238: Reapply "InstCombine: Reduce trunc (shl x, K) width."

[Matt Arsenault via llvm-commits]

arsenm updated this revision to Diff 71211.
arsenm added a comment.
Herald added a subscriber: wdng.

Add vector tests, check i16 use


https://reviews.llvm.org/D22238

Files:
  lib/Transforms/InstCombine/InstCombineCasts.cpp
  test/Transforms/InstCombine/2011-05-28-swapmulsub.ll
  test/Transforms/InstCombine/icmp.ll
  test/Transforms/InstCombine/trunc.ll

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