[all-commits] [llvm/llvm-project] c5432d: [SandboxIR][Tracker] Track eraseFromParent() (#99431)

[vporpo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c5432d31cb339262451215f6cf9c356a514a1770
      https://github.com/llvm/llvm-project/commit/c5432d31cb339262451215f6cf9c356a514a1770
  Author: vporpo <vporpodas at google.com>
  Date:   2024-07-18 (Thu, 18 Jul 2024)

  Changed paths:
    M llvm/include/llvm/SandboxIR/SandboxIR.h
    M llvm/include/llvm/SandboxIR/Tracker.h
    M llvm/lib/SandboxIR/SandboxIR.cpp
    M llvm/lib/SandboxIR/Tracker.cpp
    M llvm/unittests/SandboxIR/TrackerTest.cpp

  Log Message:
  -----------
  [SandboxIR][Tracker] Track eraseFromParent() (#99431)

This patch adds tracking support for Instruction::eraseFromParent(). The
Instruction is not actually being erased, but instead it is detached
from the instruction list and drops its Use edges. The original
instruction position and Use edges are saved in the `EraseFromParent`
change object, and are being used during `revert()` to restore the
original state.



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