[PATCH] D80485: [DAGCombiner][PowerPC] Remove isMulhCheaperThanMulShift TLI hook. Use isOperationLegalOrCustom directly instead.

[Dave Green via Phabricator via llvm-commits]

dmgreen accepted this revision.
dmgreen added a comment.
This revision is now accepted and ready to land.

Thanks for doing this. It looks good to me, if the X86 change is not too egregious.



================
Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:8212
+  if (!TLI.isOperationLegalOrCustom(MulhOpcode, NarrowVT))
+      return SDValue();
+
----------------
This formatting is a touch off.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80485/new/

https://reviews.llvm.org/D80485