[PATCH] D55529: [InstCombine] try to convert x86 movmsk intrinsic to generic IR (PR39927)

[Sanjay Patel via Phabricator via llvm-commits]

spatel created this revision.
spatel added reviewers: RKSimon, craig.topper.
Herald added a subscriber: mcrosier.

This has the potential to create non-power-of-2 scalar types as shown in some of the test diffs, but it looks like the backend knows how to deal with that in these patterns.
This is the simple part of the fix suggested in:
https://bugs.llvm.org/show_bug.cgi?id=39927


https://reviews.llvm.org/D55529

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  test/Transforms/InstCombine/X86/x86-movmsk.ll

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