[PATCH] D69168: [PowerPC] Fold redundant load immediates of zero and delete if possible

[Kamau Bridgeman via Phabricator via llvm-commits]

kamaub updated this revision to Diff 229149.
kamaub marked 7 inline comments as done.
kamaub added a comment.

- Changing some condition and fixing test cases.

This change edits some conditions to be more robust in their logic.
Of note is the change to clean up load immediates even if they weren't
folded, a side-effect of this is that one test case needs to fixed up.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69168/new/

https://reviews.llvm.org/D69168

Files:
  llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
  llvm/lib/Target/PowerPC/PPCInstrInfo.h
  llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
  llvm/test/CodeGen/PowerPC/convert-rr-to-ri-instrs.mir
  llvm/test/CodeGen/PowerPC/fold-remove-li.ll
  llvm/test/CodeGen/PowerPC/save-crbp-ppc32svr4.ll

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