[PATCH] D132623: [CodeGen] Disable tail calls at -O0/-O1

[Paul Robinson via Phabricator via llvm-commits]

probinson added a comment.
Herald added a reviewer: ributzka.

> causing various internal symbolizers to regress.

Regress in what way?

> DWARFv5 has debug info to more accurately model tail calls so back traces can be provided. Does that not work in some cases?

If you're three levels down in a tail-call chain, I can imagine it would take a lot of effort to reconstruct the call sequence, even with the tail-call info.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D132623/new/

https://reviews.llvm.org/D132623