[PATCH] D33615: Move summary dead stripping before regular LTO and record results in the combined summary

[Peter Collingbourne via Phabricator via llvm-commits]

pcc added a comment.

In https://reviews.llvm.org/D33615#766505, @mehdi_amini wrote:

> > Add a bit to GVFlags to tell ThinLTO backends which values are dead.
>
> Why?


See Evgeniy's RFC thread, in particular 
http://lists.llvm.org/pipermail/llvm-dev/2017-May/113298.html


Repository:
  rL LLVM

https://reviews.llvm.org/D33615