[PATCH] D26556: [InstCombine] don't widen most selects by hoisting an extend

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 79334.
spatel added a comment.

Ping.

Patch updated:

1. Rebase after https://reviews.llvm.org/rL287980 (no need to add FIXME comment now).
2. Propagate metadata with SelectInst::Create()  ( https://reviews.llvm.org/rL287976 ).
3. Update trunc_sel_equal_zext / trunc_sel_equal_zext_vec tests to show that metadata is not dropped.


https://reviews.llvm.org/D26556

Files:
  lib/Transforms/InstCombine/InstCombineCasts.cpp
  lib/Transforms/InstCombine/InstructionCombining.cpp
  test/Transforms/InstCombine/select-bitext.ll

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