[all-commits] [llvm/llvm-project] f09360: [AMDGPU] Support FAdd/FSub global atomics in AMDGP...

[Pravin Jagtap via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f09360d20d418cff1f498ab59e3d3558e15b3120
      https://github.com/llvm/llvm-project/commit/f09360d20d418cff1f498ab59e3d3558e15b3120
  Author: Pravin Jagtap <Pravin.Jagtap at amd.com>
  Date:   2023-08-30 (Wed, 30 Aug 2023)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomic_optimizations_mul_one.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/global-atomic-fadd.f32-no-rtn.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/global-atomic-fadd.f32-rtn.ll
    M llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
    M llvm/test/CodeGen/AMDGPU/atomics-hw-remarks-gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/global-atomic-fadd.f32-no-rtn.ll
    M llvm/test/CodeGen/AMDGPU/global-atomic-fadd.f32-rtn.ll
    M llvm/test/CodeGen/AMDGPU/global-atomic-scan.ll
    M llvm/test/CodeGen/AMDGPU/global-atomics-fp-wrong-subtarget.ll
    M llvm/test/CodeGen/AMDGPU/global-atomics-fp.ll
    M llvm/test/CodeGen/AMDGPU/global_atomic_optimizer_fp_rtn.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_iterative_scan.ll
    A llvm/test/CodeGen/AMDGPU/global_atomics_iterative_scan_fp.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_optimizer_fp_no_rtn.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_scan_fadd.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.atomic.fadd.ll
    M llvm/test/CodeGen/AMDGPU/local-atomics-fp.ll

  Log Message:
  -----------
  [AMDGPU] Support FAdd/FSub global atomics in AMDGPUAtomicOptimizer.

Reduction and Scan are implemented using `Iterative`
and `DPP` strategy for `float` type.

Reviewed By: arsenm, #amdgpu

Differential Revision: https://reviews.llvm.org/D156301