[all-commits] [llvm/llvm-project] 5cbcaf: [CSSPGO][Preinliner] Bump up the threshold to favo...

[Hongtao Yu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5cbcaf1678709e4da8b32f075a5c9a3cab028965
      https://github.com/llvm/llvm-project/commit/5cbcaf1678709e4da8b32f075a5c9a3cab028965
  Author: Hongtao Yu <hoy at fb.com>
  Date:   2023-06-26 (Mon, 26 Jun 2023)

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

  Log Message:
  -----------
  [CSSPGO][Preinliner] Bump up the threshold to favor previous compiler inline decision.

The compiler has more insight and knowledge about functions based on their IR and attribures and should make a better inline decision than the offline preinliner does which is purely based on callsites hotness and code size.  Therefore I'm making changes to favor previous compiler inline decision by bumping up the callsite allowance.

This should improve the performance by more than 1% according to testing on Meta services.

Reviewed By: wenlei

Differential Revision: https://reviews.llvm.org/D153797