[PATCH] D73445: AMDGPU/GlobalISel: Prefer merge/unmerge ops to legalize TFE

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: nhaehnle, kerbowa.
Herald added subscribers: Petar.Avramovic, hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.
arsenm added a parent revision: D73444: AMDGPU/GlobalISel: Legalize TFE image result loads.

These have a better chance of combining with other operations and are
currently much better supported than G_EXTRACT.


https://reviews.llvm.org/D73445

Files:
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-llvm.amdgcn.image.load.2d.d16.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-llvm.amdgcn.image.load.2d.ll

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