[PATCH] D91673: [PGO] Enable preinline and cleanup when optimize for size

[Zequan Wu via Phabricator via llvm-commits]

zequanwu added a comment.

In D91673#2401578 <https://reviews.llvm.org/D91673#2401578>, @xur wrote:

> This is probably OK for -Os (SizeLevel == 1), but we need to be careful with Oz (SizeLevel == 2).
> We already know that enabling preinliner in general will reduce size -- as the preinliner is pretty conservative. But there will be cases size will be increased.
>
> I would like more test results (like bootstrap clang) before committing.

I don't see binary size difference (<1%), when bootstrap clang with this change.


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https://reviews.llvm.org/D91673