[all-commits] [llvm/llvm-project] 4bdc93: [CSSPGO][Preinliner] Always inline zero-sized func...

[Hongtao Yu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4bdc938ce3f0bc7721d1942b23cd49734121094a
      https://github.com/llvm/llvm-project/commit/4bdc938ce3f0bc7721d1942b23cd49734121094a
  Author: Hongtao Yu <hoy at fb.com>
  Date:   2023-06-27 (Tue, 27 Jun 2023)

  Changed paths:
    M llvm/tools/llvm-profgen/CSPreInliner.h

  Log Message:
  -----------
  [CSSPGO][Preinliner] Always inline zero-sized functions.

Zero-sized functions should be cost-free in term of size budget, so they should be considered during inlining even if we run out of size budget.

This appears to give 0.5% win for one of our internal services.

Reviewed By: wenlei

Differential Revision: https://reviews.llvm.org/D153820