[PATCH] D28949: [InstCombine][SSE] Add support for PACKSS/PACKUS constant folding

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 85391.
RKSimon added a comment.

Updated based on Craig's feedback.


Repository:
  rL LLVM

https://reviews.llvm.org/D28949

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  test/Transforms/InstCombine/x86-pack.ll

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