[all-commits] [llvm/llvm-project] 4bcbea: [AMDGPU] Enable kernel arg preloading with gfx90a ...

[Austin Kerbow via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4bcbeaed63af8f1e18c1c74d3ef2a5a6ff7a22ac
      https://github.com/llvm/llvm-project/commit/4bcbeaed63af8f1e18c1c74d3ef2a5a6ff7a22ac
  Author: Austin Kerbow <Austin.Kerbow at amd.com>
  Date:   2024-02-12 (Mon, 12 Feb 2024)

  Changed paths:
    M llvm/docs/AMDGPUUsage.rst
    M llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
    M llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp
    M llvm/lib/Target/AMDGPU/GCNSubtarget.h
    M llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.cpp
    M llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUTargetStreamer.h
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/preload-kernarg-header.ll
    M llvm/test/CodeGen/AMDGPU/preload-kernargs.ll

  Log Message:
  -----------
  [AMDGPU] Enable kernel arg preloading with gfx90a (#81180)

Add a trap instruction to the beginning of the kernel prologue to handle
cases where preloading is attempted on HW loaded with incompatible
firmware.