[all-commits] [llvm/llvm-project] 5b2ebe: [AMDGPU] Add object linking support for LDS and na...

[Shilei Tian via All-commits]

  Branch: refs/heads/users/shiltian/amdgpu-lds-link-time-passes
  Home:   https://github.com/llvm/llvm-project
  Commit: 5b2ebe4603957a78a9cc4d5e818248085450919b
      https://github.com/llvm/llvm-project/commit/5b2ebe4603957a78a9cc4d5e818248085450919b
  Author: Shilei Tian <i at tianshilei.me>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPULowerExecSync.cpp
    M llvm/lib/Target/AMDGPU/AMDGPULowerModuleLDSPass.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
    A llvm/test/CodeGen/AMDGPU/lds-link-time-named-barrier.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-classify.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-internal-multi-user.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-kernel-direct-lds.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-multi-kernel.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-multi-lds-per-func.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-transitive.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time.ll

  Log Message:
  -----------
  [AMDGPU] Add object linking support for LDS and named barrier lowering in the middle end

This is the first patch in a series introducing object linking support for
AMDGPU.

This PR adds the -amdgpu-enable-object-linking flag to enable object linking in
the backend. It also updates the AMDGPULowerModuleLDSPass and
AMDGPULowerExecSync passes to support lowering LDS and named barrier globals
when object linking is enabled.



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