[PATCH] D89753: [HazardRec] Allow inserting multiple wait-states simultaneously

[Austin Kerbow via Phabricator via llvm-commits]

kerbowa created this revision.
kerbowa added reviewers: rampitec, foad, t-tye, arsenm.
Herald added subscribers: llvm-commits, hiraditya, nhaehnle, jvesely.
Herald added a project: LLVM.
kerbowa requested review of this revision.
Herald added a subscriber: wdng.

If a target can encode multiple wait-states into a noop allow emitting such
instructions directly.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D89753

Files:
  llvm/include/llvm/CodeGen/ScheduleHazardRecognizer.h
  llvm/include/llvm/CodeGen/TargetInstrInfo.h
  llvm/lib/CodeGen/PostRAHazardRecognizer.cpp
  llvm/lib/CodeGen/TargetInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.h
  llvm/test/CodeGen/AMDGPU/fp-atomic-to-s_denormmode.mir
  llvm/test/CodeGen/AMDGPU/frem.ll
  llvm/test/CodeGen/AMDGPU/hazard-hidden-bundle.mir
  llvm/test/CodeGen/AMDGPU/inserted-wait-states.mir
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mov.dpp.ll
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.update.dpp.ll
  llvm/test/CodeGen/AMDGPU/mai-hazards.mir
  llvm/test/CodeGen/AMDGPU/vmem-vcc-hazard.mir

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