[all-commits] [llvm/llvm-project] 549b5f: AMDGPU: Start selecting flat/global atomicrmw fmin...

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu-select-flat-global-atomicrmw-fmin-fmax
  Home:   https://github.com/llvm/llvm-project
  Commit: 549b5fc03d972de45b23e46a318b193656f818db
      https://github.com/llvm/llvm-project/commit/549b5fc03d972de45b23e46a318b193656f818db
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-06-23 (Sun, 23 Jun 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPU.td
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/lib/Target/AMDGPU/FLATInstructions.td
    M llvm/lib/Target/AMDGPU/GCNSubtarget.h
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/global-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/global-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_scan_fmax.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_scan_fmin.ll
    A llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.ptr.buffer.atomic.fmax.f32.ll
    A llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.ptr.buffer.atomic.fmax.f64.ll
    A llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.ptr.buffer.atomic.fmin.f32.ll
    A llvm/test/CodeGen/AMDGPU/llvm.amdgcn.struct.ptr.buffer.atomic.fmin.f64.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f32-agent.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f32-system.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f64-agent.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f64-system.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fmax.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fmin.ll

  Log Message:
  -----------
  AMDGPU: Start selecting flat/global atomicrmw fmin/fmax.

Define subtarget features for atomic fmin/fmax support.

The flat/global support is a real messe. We had float/double support at
the beginning in gfx6 and gfx7. gfx8 removed these. gfx10 reintroduced them.
gfx11 removed the f64 versions again.

gfx9 partially reintroduced them, in gfx90a and gfx940 but only for f64.


  Commit: 67137490bb85466621934403bc290dc225c62881
      https://github.com/llvm/llvm-project/commit/67137490bb85466621934403bc290dc225c62881
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-06-23 (Sun, 23 Jun 2024)

  Changed paths:
    M clang/test/CodeGenCUDA/amdgpu-atomic-ops.cu

  Log Message:
  -----------
  fix clang test, depends unsafe attr handling


  Commit: ff38a3c2c9284cbcade866b6e38c7cf168b273f2
      https://github.com/llvm/llvm-project/commit/ff38a3c2c9284cbcade866b6e38c7cf168b273f2
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2024-06-23 (Sun, 23 Jun 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/global-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/global-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_scan_fmax.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_scan_fmin.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f32-agent.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f32-system.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f64-agent.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-f64-system.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fmax.ll
    M llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fmin.ll

  Log Message:
  -----------
  Handle amdgpu-unsafe-fp-atomics attr


Compare: https://github.com/llvm/llvm-project/compare/d61d35a7e84b...ff38a3c2c928

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