[PATCH] D67350: [IfCvt][ARM] Optimise diamond if-conversion for code size

[Oliver Stannard (Linaro) via Phabricator via llvm-commits]

ostannard updated this revision to Diff 219513.
ostannard added a comment.

- Limit to minsize (-Oz)
- Count common instructions at the start of the true/false blocks
- Non-analyzable branches and branches in forked diamonds will be merged, not removed


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67350/new/

https://reviews.llvm.org/D67350

Files:
  llvm/include/llvm/CodeGen/TargetInstrInfo.h
  llvm/lib/CodeGen/IfConversion.cpp
  llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
  llvm/lib/Target/ARM/ARMBaseInstrInfo.h
  llvm/test/CodeGen/ARM/ifcvt-size.mir

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