[all-commits] [llvm/llvm-project] 46f65e: [mlir]use correct iterator when eraseOp (#83444)

[Congcong Cai via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 46f65e45e0f5ce4cc0edabceebee681231d24687
      https://github.com/llvm/llvm-project/commit/46f65e45e0f5ce4cc0edabceebee681231d24687
  Author: Congcong Cai <congcongcai0907 at 163.com>
  Date:   2024-03-05 (Tue, 05 Mar 2024)

  Changed paths:
    M mlir/lib/IR/PatternMatch.cpp
    A mlir/test/Transforms/gh-77420.mlir

  Log Message:
  -----------
  [mlir]use correct iterator when eraseOp (#83444)

#66771 introduce `llvm::post_order(&r.front())` which is equal to
`r.front().getSuccessor(...)`.
It will visit the succ block of current block. But actually here need to
visit all block of region in reverse order.
Fixes: #77420.



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