[PATCH] D31483: [DAGCombiner] convert and-of-seteq to bitwise logic+seteq (PR32401)

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 93970.
spatel added a comment.

Patch updated:

1. Add a target hook to selectively enable this transform.
2. Enable the hook for scalars on x86, PPC, and ARM.
3. Add the 'or' sibling fold (I did several NFC clean-up commits last week, so this could be added simply here).


https://reviews.llvm.org/D31483

Files:
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/Target/ARM/ARMISelLowering.h
  lib/Target/PowerPC/PPCISelLowering.h
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/ARM/setcc-logic.ll
  test/CodeGen/PowerPC/setcc-logic.ll
  test/CodeGen/X86/avx512-cmp.ll
  test/CodeGen/X86/setcc-logic.ll

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