[all-commits] [llvm/llvm-project] 9ebc6d: [AMDGPU][InsertWaitCnts] Track global_wb/inv/wbinv

[Pierre van Houtryve via All-commits]

  Branch: refs/heads/users/pierre-vh/insertwaitcnt-wbinv-track
  Home:   https://github.com/llvm/llvm-project
  Commit: 9ebc6d2880f9ac2bdf7ae4b00f0a89db3d0b87d5
      https://github.com/llvm/llvm-project/commit/9ebc6d2880f9ac2bdf7ae4b00f0a89db3d0b87d5
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2025-04-11 (Fri, 11 Apr 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_fmax.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_fmin.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/atomicrmw_uinc_wrap.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/mubuf-global.ll
    M llvm/test/CodeGen/AMDGPU/atomicrmw-expand.ll
    M llvm/test/CodeGen/AMDGPU/buffer-fat-pointer-atomicrmw-fadd.ll
    M llvm/test/CodeGen/AMDGPU/buffer-fat-pointer-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/buffer-fat-pointer-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fadd.ll
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/flat-atomicrmw-fsub.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/fp-atomics-gfx942.ll
    M llvm/test/CodeGen/AMDGPU/global-atomicrmw-fadd.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-atomicrmw-fsub.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr-atomics-min-max-system.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr-atomics.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr-load.ll
    M llvm/test/CodeGen/AMDGPU/global-saddr-store.ll
    M llvm/test/CodeGen/AMDGPU/global_atomics_i64.ll
    M llvm/test/CodeGen/AMDGPU/insert-waitcnts-gfx12-wbinv.mir
    M llvm/test/CodeGen/AMDGPU/insert_waitcnt_for_precise_memory.ll
    M llvm/test/CodeGen/AMDGPU/local-atomicrmw-fadd.ll
    M llvm/test/CodeGen/AMDGPU/local-atomicrmw-fmax.ll
    M llvm/test/CodeGen/AMDGPU/local-atomicrmw-fmin.ll
    M llvm/test/CodeGen/AMDGPU/local-atomicrmw-fsub.ll
    M llvm/test/CodeGen/AMDGPU/waitcnt-global-inv-wb.mir

  Log Message:
  -----------
  [AMDGPU][InsertWaitCnts] Track global_wb/inv/wbinv

wb/wbinv use storecnt, inv uses loadcnt.
Track them as VMEM_WRITE_ACCESS and VMEM_READ_ACCESS to avoid
InsertWaitCnt incorrectly eliminating the waitcnts after these instructions.

Solves SWDEV-526604



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