[all-commits] [llvm/llvm-project] 1a3934: [AMDGPU] Add object linking support for LDS and na...

[Shilei Tian via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1a3934365c9b59d00f47db06202b34c62d4b1794
      https://github.com/llvm/llvm-project/commit/1a3934365c9b59d00f47db06202b34c62d4b1794
  Author: Shilei Tian <i at tianshilei.me>
  Date:   2026-04-14 (Tue, 14 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-global-scope.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-internal-func.ll
    A llvm/test/CodeGen/AMDGPU/lower-module-lds-link-time-internal-multi-user.ll

  Log Message:
  -----------
  [AMDGPU] Add object linking support for LDS and named barrier lowering in the middle end (#191645)

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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