[all-commits] [llvm/llvm-project] b99466: [SimplifyCFG] Preserve metadata when unconditional...

[Michael Kruse via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b99466eb4525b151508d8f1a054d7a7fb4731c03
      https://github.com/llvm/llvm-project/commit/b99466eb4525b151508d8f1a054d7a7fb4731c03
  Author: Michael Kruse <llvm-project at meinersbur.de>
  Date:   2021-04-26 (Mon, 26 Apr 2021)

  Changed paths:
    M llvm/lib/Transforms/Utils/Local.cpp
    A llvm/test/Transforms/SimplifyCFG/commondest-loopid.ll

  Log Message:
  -----------
  [SimplifyCFG] Preserve metadata when unconditionalizing branches (same target).

When replacing a conditional branch by an unconditional one because the targets are identical, transfer the metadata to the new branch instruction.

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D101226