[all-commits] [llvm/llvm-project] 5338bd: [SandboxIR] IR Tracker (#99238)

[vporpo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5338bd3c8ac5e313a09fffbe84aacc51a16e17f8
      https://github.com/llvm/llvm-project/commit/5338bd3c8ac5e313a09fffbe84aacc51a16e17f8
  Author: vporpo <vporpodas at google.com>
  Date:   2024-07-17 (Wed, 17 Jul 2024)

  Changed paths:
    M llvm/docs/SandboxIR.md
    M llvm/include/llvm/SandboxIR/SandboxIR.h
    A llvm/include/llvm/SandboxIR/Tracker.h
    M llvm/include/llvm/SandboxIR/Use.h
    M llvm/lib/SandboxIR/CMakeLists.txt
    M llvm/lib/SandboxIR/SandboxIR.cpp
    A llvm/lib/SandboxIR/Tracker.cpp
    M llvm/unittests/SandboxIR/CMakeLists.txt
    A llvm/unittests/SandboxIR/TrackerTest.cpp

  Log Message:
  -----------
  [SandboxIR] IR Tracker (#99238)

This is the first patch in a series of patches for the IR change
tracking component of SandboxIR.
The tracker collects changes in a vector of `IRChangeBase` objects and
provides a `save()`/`accept()`/`revert()` API.

Each type of IR changing event is captured by a dedicated subclass of
`IRChangeBase`. This patch implements only one of them, that for
updating a `sandboxir::Use` source value, named `UseSet`.



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