[PATCH] D28119: [InstCombine][X86] Add DemandedElts support for PMULDQ/PMULUDQ instructions

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 82519.
RKSimon added a comment.

Updated based on Craig's feedback


Repository:
  rL LLVM

https://reviews.llvm.org/D28119

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

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