Amir added a comment.

In D132975#3768391 <https://reviews.llvm.org/D132975#3768391>, @tschuett wrote:

> Will there be eventually a way to build a fully optimised clang/lld with 
> ThinLTO, PGO, and Bolt?

Short answer is likely yes.
For clang, I think this diff should be compatible with PGO, with a caveat that 
BOLT should be applied to stage-2 clang built with PGO, which means that 
`BOOTSTRAP_` options should be set carefully. And for sure it's compatible with 
ThinLTO - this one is completely orthogonal. 
For lld, I can envision a similar fully automated optimized build, but likely 
in a future separate diff.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132975/new/

https://reviews.llvm.org/D132975

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