[all-commits] [llvm/llvm-project] 802e3f: [AMDGPU] Add GFX11 documentation to AMDGPUUsage

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 802e3f4f57fd20579bfd6375eb926cffca0485af
      https://github.com/llvm/llvm-project/commit/802e3f4f57fd20579bfd6375eb926cffca0485af
  Author: Tony <Tony.Tye at amd.com>
  Date:   2022-06-10 (Fri, 10 Jun 2022)

  Changed paths:
    M llvm/docs/AMDGPUUsage.rst

  Log Message:
  -----------
  [AMDGPU] Add GFX11 documentation to AMDGPUUsage

Update most of the document to include GFX11. Memory model changes will
come later.

Differential Revision: https://reviews.llvm.org/D127402


  Commit: b0a384943930bd9aecf382a9e73e06cfa621c14a
      https://github.com/llvm/llvm-project/commit/b0a384943930bd9aecf382a9e73e06cfa621c14a
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2022-06-10 (Fri, 10 Jun 2022)

  Changed paths:
    M llvm/docs/AMDGPUUsage.rst
    M llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-flat-agent.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-flat-nontemporal.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-flat-system.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-flat-volatile.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-global-agent.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-global-nontemporal.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-global-system.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-global-volatile.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-private-nontemporal.ll
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-private-volatile.ll

  Log Message:
  -----------
  [AMDGPU] Update dlc usage for GFX11

In GFX10 dlc controlled L1 cache bypass. In GFX11 it has been repurposed
to control MALL NOALLOC, and glc controls L1 as well as L0 cache bypass.

Update the documentation and SIMemoryLegalizer accordingly. Set dlc for
nontemporal and volatile accesses.

Differential Revision: https://reviews.llvm.org/D127405


Compare: https://github.com/llvm/llvm-project/compare/5b66cc1000f9...b0a384943930