[all-commits] [llvm/llvm-project] 9a53f5: AMDGPU: Handle llvm.stacksave and llvm.stackrestore

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9a53f5f5c466b8d2a63827ec33dd97e4333db6ce
      https://github.com/llvm/llvm-project/commit/9a53f5f5c466b8d2a63827ec33dd97e4333db6ce
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-08-11 (Fri, 11 Aug 2023)

  Changed paths:
    M llvm/docs/AMDGPUUsage.rst
    M llvm/docs/ReleaseNotes.rst
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.h
    A llvm/test/CodeGen/AMDGPU/stacksave_stackrestore.invalid.ll
    A llvm/test/CodeGen/AMDGPU/stacksave_stackrestore.ll

  Log Message:
  -----------
  AMDGPU: Handle llvm.stacksave and llvm.stackrestore

Not sure if the only valid use is to have stackrestore directly
consume stacksave outputs or not. Handled exactly like a regular stack
pointer so all the edge cases theoretically should work.

https://reviews.llvm.org/D156669


  Commit: 1030483561d6abf0a160bca324509d0c7ef4e398
      https://github.com/llvm/llvm-project/commit/1030483561d6abf0a160bca324509d0c7ef4e398
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-08-11 (Fri, 11 Aug 2023)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
    M llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
    A llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-stacksave-stackrestore.invalid.mir
    A llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-stacksave-stackrestore.mir
    M llvm/test/CodeGen/AMDGPU/stacksave_stackrestore.invalid.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Handle stacksave/stackrestore

https://reviews.llvm.org/D156670


Compare: https://github.com/llvm/llvm-project/compare/afff91de082d...1030483561d6