[PATCH] D101662: [X86] Promote 16-bit CTTZ_ZERO_UNDEF to 32-bit variant

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:373
+
   if (!Subtarget.hasBMI()) {
     setOperationAction(ISD::CTTZ           , MVT::i16  , Custom);
----------------
Make this an else instead of repeating the BMI check?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101662/new/

https://reviews.llvm.org/D101662