[PATCH] D58238: [DebugInfo] MachineSink: Insert undef DBG_VALUEs when sinking instructions, try to forward copies

[Adrian Prantl via Phabricator via llvm-commits]

aprantl added a comment.

Is the extra cost here, or is it more work being generated for LiveDebugValues?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58238/new/

https://reviews.llvm.org/D58238