[all-commits] [llvm/llvm-project] 8502c5: [FlattenCFG] Replace branch condition with a creat...

[Max Kazantsev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8502c545771ee6c740b0ffc10863dcb4546f6e75
      https://github.com/llvm/llvm-project/commit/8502c545771ee6c740b0ffc10863dcb4546f6e75
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2023-04-21 (Fri, 21 Apr 2023)

  Changed paths:
    M llvm/lib/Transforms/Utils/FlattenCFG.cpp
    M llvm/test/Transforms/Util/flattencfg.ll

  Log Message:
  -----------
  [FlattenCFG] Replace branch condition with a created one correctly

Fix case when FlattenCFGOpt combines the conditions but doesn't update
branch with a new combined condition. It happens when one of the
combinable condition is inverted and has more then 1 user

Patch by Aleksandr Popov!

Differential Revision: https://reviews.llvm.org/D148707