[all-commits] [llvm/llvm-project] 6ca387: [CodeGen] Introduce `MachineDomTreeUpdater` (#95369)

[paperchalice via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ca387cbcb207abe2a07bbb1b536f099c2e246e7
      https://github.com/llvm/llvm-project/commit/6ca387cbcb207abe2a07bbb1b536f099c2e246e7
  Author: paperchalice <liujunchang97 at outlook.com>
  Date:   2024-06-27 (Thu, 27 Jun 2024)

  Changed paths:
    M llvm/include/llvm/Analysis/DomTreeUpdater.h
    A llvm/include/llvm/Analysis/GenericDomTreeUpdater.h
    M llvm/include/llvm/CodeGen/MachineBasicBlock.h
    A llvm/include/llvm/CodeGen/MachineDomTreeUpdater.h
    M llvm/include/llvm/CodeGen/MachinePostDominators.h
    M llvm/lib/Analysis/DomTreeUpdater.cpp
    M llvm/lib/CodeGen/CMakeLists.txt
    M llvm/lib/CodeGen/MachineBasicBlock.cpp
    A llvm/lib/CodeGen/MachineDomTreeUpdater.cpp
    M llvm/unittests/CodeGen/CMakeLists.txt
    A llvm/unittests/CodeGen/MachineDomTreeUpdaterTest.cpp

  Log Message:
  -----------
  [CodeGen] Introduce `MachineDomTreeUpdater` (#95369)

This commit converts most of `DomTreeUpdater` into
`GenericDomTreeUpdater` class template, so IR and MIR can reuse some
codes.
There are some differences between interfaces of `BasicBlock` and
`MachineBasicBlock`, so subclasses still need to implement some
functions, like `forceFlushDeletedBB`.



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