[PATCH] D73365: AMDGPU/GlobalISel: Fix not using global atomics on gfx9+

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: nhaehnle, kerbowa, rampitec.
Herald added subscribers: Petar.Avramovic, jfb, hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.

For some reason the flat/global atomics end up in the generated
matcher table in a different order from SelectionDAG. Use
AddedComplexity to prefer checking for global atomics first.


https://reviews.llvm.org/D73365

Files:
  llvm/lib/Target/AMDGPU/FLATInstructions.td
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-atomicrmw-add-global.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.atomic.inc.ll

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