[PATCH] D131358: [X86] (0 - SetCC) | C -> (zext (not SetCC)) * (C + 1) - 1 if we can get a LEA out of it.

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 450995.
deadalnix added a comment.

- Limit the transform to 32bits and 64bits.
- Add 64 bits test cases.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131358/new/

https://reviews.llvm.org/D131358

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/or-lea.ll

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