[all-commits] [llvm/llvm-project] f9f3c3: [CSSPGO] Turn on iterative-BFI for CSSPGO

[WenleiHe via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f9f3c34e0f31e32885cab039f1050cde77a8335e
      https://github.com/llvm/llvm-project/commit/f9f3c34e0f31e32885cab039f1050cde77a8335e
  Author: Wenlei He <aktoon at gmail.com>
  Date:   2021-07-16 (Fri, 16 Jul 2021)

  Changed paths:
    M llvm/lib/Transforms/IPO/SampleProfile.cpp

  Log Message:
  -----------
  [CSSPGO] Turn on iterative-BFI for CSSPGO

Iterative-BFI produces better count quality and performance when evaluated on internal benchmarks. Turning it on by default now for CSSPGO. We can consider turn it on by default for AutoFDO as well in the future.

Differential Revision: https://reviews.llvm.org/D106202