[PATCH] D94487: [LTO] Use lto::backend for code generation (WIP).

[Florian Hahn via Phabricator via llvm-commits]

fhahn added inline comments.


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Comment at: llvm/lib/LTO/LTOCodeGenerator.cpp:604
 
   legacy::PassManager preCodeGenPasses;
 
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steven_wu wrote:
> I will try to remove all legacy pass manager from LTOCodegenerator in one commit to avoid complication. You can do ThinLTOCodeGenerator in a separate commit.
I think for that it might be best to expose the extension registration mechanism via `lto::Config`, so we can just configure it so it gets added to the pass manager used by `splitCodegen`and do not have to use a separate pass manager here?


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  https://reviews.llvm.org/D94487/new/

https://reviews.llvm.org/D94487