[all-commits] [llvm/llvm-project] 1cafd8: Fix LoopIdiomRecognize pass return status

[serge-sans-paille via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 1cafd8a5d1a3f80a93a6d996f24ef4b730f896e5
      https://github.com/llvm/llvm-project/commit/1cafd8a5d1a3f80a93a6d996f24ef4b730f896e5
  Author: serge-sans-paille <sguelton at redhat.com>
  Date:   2020-06-17 (Wed, 17 Jun 2020)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp

  Log Message:
  -----------
  Fix LoopIdiomRecognize pass return status

Introduce an helper class to aggregate the cleanup in case of rollback.

Differential Revision: https://reviews.llvm.org/D81230