[all-commits] [llvm/llvm-project] bc380c: [llvm-profgen] Turn on CS nested profile generatio...

[Hongtao Yu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bc380c0930c9e110b7f6dda97ffee417f9cba00d
      https://github.com/llvm/llvm-project/commit/bc380c0930c9e110b7f6dda97ffee417f9cba00d
  Author: Hongtao Yu <hoy at fb.com>
  Date:   2022-03-08 (Tue, 08 Mar 2022)

  Changed paths:
    M llvm/test/tools/llvm-profgen/cs-extbinary.test
    M llvm/test/tools/llvm-profgen/cs-interrupt.test
    M llvm/test/tools/llvm-profgen/cs-preinline.test
    M llvm/test/tools/llvm-profgen/fname-canonicalization.test
    M llvm/test/tools/llvm-profgen/func-split.test
    M llvm/test/tools/llvm-profgen/inline-cs-noprobe.test
    M llvm/test/tools/llvm-profgen/inline-cs-pseudoprobe.test
    M llvm/test/tools/llvm-profgen/merge-cold-profile.test
    M llvm/test/tools/llvm-profgen/multi-load-segs.test
    M llvm/test/tools/llvm-profgen/noinline-cs-noprobe.test
    M llvm/test/tools/llvm-profgen/noinline-cs-pseudoprobe.test
    M llvm/test/tools/llvm-profgen/recursion-compression-noprobe.test
    M llvm/test/tools/llvm-profgen/recursion-compression-pseudoprobe.test
    M llvm/test/tools/llvm-profgen/separate-debuginfo-binary.test
    M llvm/test/tools/llvm-profgen/truncated-pseudoprobe.test
    M llvm/tools/llvm-profgen/ProfileGenerator.cpp

  Log Message:
  -----------
  [llvm-profgen] Turn on CS nested profile generation by default for CSSPGO.

CS nested profile has a benefit over the CS flat profile that is to speed up the build while achieve an on-par performance. I'm turning it on by default for CSSPGO.

Reviewed By: wenlei

Differential Revision: https://reviews.llvm.org/D121142