[PATCH] D43222: [X86] Add combine to shrink 64-bit ands when one input is an any_extend and the other input guarantees upper 32 bits are 0.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 133993.
craig.topper added a comment.

Remove the check for the any_extend. Just do it anytime the and has a non-constant RHS. Doing this for constant RHS can cause infinite loops.


Repository:
  rL LLVM

https://reviews.llvm.org/D43222

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/bmi.ll
  test/CodeGen/X86/gather-addresses.ll
  test/CodeGen/X86/pr32284.ll

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