[PATCH] D101357: [CodeGen][AArch64][SVE] Fold [rdffr, ptest] => rdffrs; bugfix for optimizePTestInstr

[Peter Waller via Phabricator via llvm-commits]

peterwaller-arm updated this revision to Diff 344766.
peterwaller-arm retitled this revision from "[CodeGen][AArch64][SVE] Substitute [rdffr, ptest] => rdffrs" to "[CodeGen][AArch64][SVE] Fold [rdffr, ptest] => rdffrs; bugfix for optimizePTestInstr".
peterwaller-arm edited the summary of this revision.
peterwaller-arm added a comment.



- Update for code review
- Factor loop with pre-existing areCFlagsAccessedBetweenInstrs.
- Add test case for flags used between Pred and PTest, and fix bug where this was not covered.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101357/new/

https://reviews.llvm.org/D101357

Files:
  llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
  llvm/test/CodeGen/AArch64/sve-ptest-removal-rdffr.mir

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