[PATCH] D23131: AMDGPU: Fix an interaction between WQM and polygon stippling

[Nicolai Hähnle via llvm-commits]

nhaehnle updated this revision to Diff 66777.
nhaehnle added a comment.

Re-thinking the approach: I think it's best to just say that SI_RETURN
requires a switch to exact, since SI_RETURN is what marks the return in
non-void returning shaders. Also added an `unreachable` test.


https://reviews.llvm.org/D23131

Files:
  lib/Target/AMDGPU/SIInstructions.td
  lib/Target/AMDGPU/SIWholeQuadMode.cpp
  test/CodeGen/AMDGPU/wqm.ll

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