[PATCH] D64054: GlobalISel: Add G_FENCE

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aemerson, aditya_nandakumar, paquette.
Herald added subscribers: Petar.Avramovic, volkan, jfb, javed.absar, kristof.beyls, rovka, nhaehnle, wdng, jvesely.

The pattern importer is for some reason emitting checks for G_CONSTANT
for the immediate operands.


https://reviews.llvm.org/D64054

Files:
  include/llvm/CodeGen/GlobalISel/IRTranslator.h
  include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
  include/llvm/Support/TargetOpcodes.def
  include/llvm/Target/GenericOpcodes.td
  include/llvm/Target/GlobalISel/SelectionDAGCompat.td
  lib/CodeGen/GlobalISel/IRTranslator.cpp
  lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
  lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
  test/CodeGen/AMDGPU/GlobalISel/memory-legalizer-atomic-fence.ll

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