[all-commits] [llvm/llvm-project] dc8690: [BPI] Add method to swap outgoing edges probabilities

[Max Kazantsev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dc86900ff31e35e61ec9c5adca0488bf33d11833
      https://github.com/llvm/llvm-project/commit/dc86900ff31e35e61ec9c5adca0488bf33d11833
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2023-04-18 (Tue, 18 Apr 2023)

  Changed paths:
    M llvm/include/llvm/Analysis/BranchProbabilityInfo.h
    M llvm/lib/Analysis/BranchProbabilityInfo.cpp
    M llvm/unittests/Analysis/BranchProbabilityInfoTest.cpp

  Log Message:
  -----------
  [BPI] Add method to swap outgoing edges probabilities

The motivation is need to update branch probability info after
swapping successors of branch instruction.

Differential Revision: https://reviews.llvm.org/D148237
Reviewed By: nikic