[PATCH] D109726: [X86] Improve `matchBinaryShuffle()`'s `BLEND` lowering with per-element all-zero/all-ones knowledge

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added inline comments.


================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:36235
+        return true;
+      } else if (NumV1Elts == NumV2Elts && NumV1Elts == NumMaskElts) {
+        // FIXME: handle mismatched sizes?
----------------
break the if-else chain?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109726/new/

https://reviews.llvm.org/D109726