jdoerfert added a comment.

In D102107#2821976 <https://reviews.llvm.org/D102107#2821976>, @ABataev wrote:

> We used this kind of codegen initially but later found out that it causes a 
> large overhead when gathering pointers into a record. What about hybrid 
> scheme where the first args are passed as arguments and others (if any) are 
> gathered into a record?

I'm confused, maybe I misunderstand the problem. The parallel function 
arguments need to go from the main thread to the workers somehow, I don't see 
how this is done w/o a record. This patch makes it explicit though.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102107/new/

https://reviews.llvm.org/D102107

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