[PATCH] D114414: [AMDGPU] Only allow implicit WQM in pixel shaders

[Carl Ritson via Phabricator via llvm-commits]

critson created this revision.
critson added reviewers: rampitec, nhaehnle, b-sumner.
Herald added subscribers: foad, kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, jvesely, kzhuravl, arsenm.
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Implicit derivatives are only valid in pixel shaders,
hence only implicitly enable WQM for pixel shaders.
This avoids unintended WQM in other shader types (e.g. compute)
when image sampling instructions are used.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D114414

Files:
  llvm/lib/Target/AMDGPU/SIWholeQuadMode.cpp
  llvm/test/CodeGen/AMDGPU/memory_clause.ll
  llvm/test/CodeGen/AMDGPU/vgpr-tuple-allocation.ll
  llvm/test/CodeGen/AMDGPU/wqm.mir

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