[all-commits] [llvm/llvm-project] 5bfe06: [SimplifyCFG] Use make_early_inc_range() while del...

[Heejin Ahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5bfe06ad3590d5aeb14c2fc3fae729abc6412cb3
      https://github.com/llvm/llvm-project/commit/5bfe06ad3590d5aeb14c2fc3fae729abc6412cb3
  Author: Heejin Ahn <aheejin at gmail.com>
  Date:   2021-05-26 (Wed, 26 May 2021)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    A llvm/test/Transforms/SimplifyCFG/cleanup-phis.ll

  Log Message:
  -----------
  [SimplifyCFG] Use make_early_inc_range() while deleting instructions

We are deleting `phi` nodes within the for loop, so this makes sure we
increment the iterator before we delete the instruction pointed by the
iterator.

This started to break in
https://github.com/llvm/llvm-project/commit/a0be08164622bf938855ff5d19dd8e9d0c96b9b3.

Reviewed By: dschuff, lebedev.ri

Differential Revision: https://reviews.llvm.org/D103181