[PATCH] D63365: AMDGPU: Add ds_gws_init / ds_gws_barrier intrinsics

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: rampitec, b-sumner.
Herald added subscribers: jfb, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
arsenm added parent revisions: D63225: AMDGPU: Fold readlane from copy of SGPR or imm, D63234: AMDGPU: Change API for checking for exec modification.

There may or may not be additional work to handle this correctly on
SI/CI.


https://reviews.llvm.org/D63365

Files:
  include/llvm/IR/IntrinsicsAMDGPU.td
  lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
  lib/Target/AMDGPU/DSInstructions.td
  lib/Target/AMDGPU/SIISelLowering.cpp
  lib/Target/AMDGPU/SIInsertWaitcnts.cpp
  lib/Target/AMDGPU/SIMachineFunctionInfo.h
  test/CodeGen/AMDGPU/gws-hazards.mir
  test/CodeGen/AMDGPU/llvm.amdgcn.ds.gws.barrier.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.ds.gws.init.ll
  test/CodeGen/AMDGPU/tail-duplication-convergent.ll

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