[all-commits] [llvm/llvm-project] 4e9f4d: [mlir] Fix bug in copy removal

[Ehsan Toosi via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4e9f4d0b9d1dbf2c1d3e389b870a16c3dbd5c302
      https://github.com/llvm/llvm-project/commit/4e9f4d0b9d1dbf2c1d3e389b870a16c3dbd5c302
  Author: Ehsan Toosi <ehsan.nadjaran_toosi at dfki.de>
  Date:   2020-09-08 (Tue, 08 Sep 2020)

  Changed paths:
    M mlir/lib/Transforms/CopyRemoval.cpp
    M mlir/test/Transforms/copy-removal.mlir

  Log Message:
  -----------
  [mlir] Fix bug in copy removal

A crash could happen due to copy removal. The bug is fixed and two more
test cases are added.

Differential Revision: https://reviews.llvm.org/D87128