[all-commits] [llvm/llvm-project] 657fb4: [AMDGPU] Add target hook to isGlobalMemoryObject (...

[Austin Kerbow via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 657fb4433e027722e8c9a5002d0c194ecd3f2956
      https://github.com/llvm/llvm-project/commit/657fb4433e027722e8c9a5002d0c194ecd3f2956
  Author: Austin Kerbow <Austin.Kerbow at amd.com>
  Date:   2025-01-11 (Sat, 11 Jan 2025)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetInstrInfo.h
    M llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
    M llvm/lib/CodeGen/TargetInstrInfo.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUIGroupLP.cpp
    M llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp
    M llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
    M llvm/lib/Target/AMDGPU/SIInstrInfo.h
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.iglp.opt.exp.small.mir
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.iglp.opt.ll
    M llvm/test/CodeGen/AMDGPU/sched-barrier-pre-RA.mir

  Log Message:
  -----------
  [AMDGPU] Add target hook to isGlobalMemoryObject (#112781)

We want special handing for IGLP instructions in the scheduler but they
should still be treated like they have side effects by other passes. Add
a target hook to the ScheduleDAGInstrs DAG builder so that we have more
control over this.



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