[PATCH] D145211: Relax cross-section branches

[Daniel Hoekwater via Phabricator via llvm-commits]

dhoekwater updated this revision to Diff 544556.
dhoekwater added a comment.

Refactor code so it doesn't use virtual registers. Because we only care about the liveness at the end of the basic block, we don't need to use backwards scavenging. This structure also sets us up much more nicely for adding alternate implementations of `buildIndirectBranch`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145211/new/

https://reviews.llvm.org/D145211

Files:
  llvm/include/llvm/Target/TargetMachine.h
  llvm/lib/CodeGen/BranchRelaxation.cpp
  llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
  llvm/lib/Target/AArch64/AArch64InstrInfo.h
  llvm/lib/Target/TargetMachine.cpp
  llvm/test/CodeGen/AArch64/branch-relax-b.ll
  llvm/test/CodeGen/AArch64/branch-relax-cross-section.mir

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