[all-commits] [llvm/llvm-project] d9b4bd: [CodeGen][NewPM] Port LiveDebugVariables to NPM (#...

[Akshat Oke via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d9b4bdbff597d0ed98dd82674e456ac4c751a6a0
      https://github.com/llvm/llvm-project/commit/d9b4bdbff597d0ed98dd82674e456ac4c751a6a0
  Author: Akshat Oke <Akshat.Oke at amd.com>
  Date:   2024-12-04 (Wed, 04 Dec 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/LiveDebugVariables.h
    M llvm/include/llvm/InitializePasses.h
    M llvm/include/llvm/Passes/MachinePassRegistry.def
    M llvm/lib/CodeGen/CodeGen.cpp
    M llvm/lib/CodeGen/LiveDebugVariables.cpp
    M llvm/lib/CodeGen/RegAllocBasic.cpp
    M llvm/lib/CodeGen/RegAllocGreedy.cpp
    M llvm/lib/CodeGen/RegAllocGreedy.h
    M llvm/lib/CodeGen/StackSlotColoring.cpp
    M llvm/lib/CodeGen/VirtRegMap.cpp
    M llvm/lib/Passes/PassBuilder.cpp
    M llvm/lib/Target/LoongArch/LoongArchDeadRegisterDefinitions.cpp
    M llvm/lib/Target/RISCV/RISCVDeadRegisterDefinitions.cpp
    M llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp

  Log Message:
  -----------
  [CodeGen][NewPM] Port LiveDebugVariables to NPM (#115468)

The existing analysis was already a pimpl wrapper.

I have extracted legacy pass logic to a LDVImpl wrapper named
`LiveDebugVariables` which is the analysis::Result now. This controls
whether to activate the LDV (depending on `-live-debug-variables` and
DIsubprogram) itself.

The legacy and new analysis only construct the LiveDebugVariables.

VirtRegRewriter will test this.



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