[all-commits] [llvm/llvm-project] 8c01d9: AMDGPU: Start considering new atomicrmw metadata o...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu-use-atomic-remote-memory-metadata
  Home:   https://github.com/llvm/llvm-project
  Commit: 8c01d9388bfe5ed8a5cfc0c48030e972bded0bff
      https://github.com/llvm/llvm-project/commit/8c01d9388bfe5ed8a5cfc0c48030e972bded0bff
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-03-03 (Mon, 03 Mar 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_udec_wrap.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_uinc_wrap.ll
    M llvm/test/CodeGen/AMDGPU/acc-ldst.ll
    M llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll
    M llvm/test/CodeGen/AMDGPU/dag-divergence-atomic.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i32_system.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i64.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i64_noprivate.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i64_system.ll
    M llvm/test/CodeGen/AMDGPU/flat_atomics_i64_system_noprivate.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr-atomics.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i32_system.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i64.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i64_system.ll
    M llvm/test/CodeGen/AMDGPU/idemponent-atomics.ll
    M llvm/test/CodeGen/AMDGPU/move-to-valu-atomicrmw.ll
    M llvm/test/CodeGen/AMDGPU/shl_add_ptr_global.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i16.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i32-agent.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i32-system.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i64-agent.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i64-system.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-i8.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomicrmw-flat-noalias-addrspace.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomicrmw-integer-ops-0-to-add-0.ll

  Log Message:
  -----------
  AMDGPU: Start considering new atomicrmw metadata on integer operations

Start considering !amdgpu.no.remote.memory.access and
!amdgpu.no.fine.grained.host.memory metadata when deciding to expand
integer atomic operations. This does not yet attempt to accurately
handle fadd/fmin/fmax, which are trickier and require migrating the
old "amdgpu-unsafe-fp-atomics" attribute.



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