[PATCH] D40163: AMDGPU: Move hazard avoidance out of waitcnt pass.

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

This is mostly moving VMEM clause breaking into
he hazard recognizer. Also move another hazard
currently handled in the waitcnt pass.

Also stops breaking clauses unless xnack is enabled.


https://reviews.llvm.org/D40163

Files:
  lib/Target/AMDGPU/AMDGPUSubtarget.h
  lib/Target/AMDGPU/GCNHazardRecognizer.cpp
  lib/Target/AMDGPU/GCNHazardRecognizer.h
  lib/Target/AMDGPU/SIInsertWaitcnts.cpp
  test/CodeGen/AMDGPU/break-vmem-soft-clauses.mir
  test/CodeGen/AMDGPU/inserted-wait-states.mir
  test/CodeGen/AMDGPU/sendmsg-m0-hazard.mir

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