[PATCH] D20839: AMDGPU: Add amdgpu-ps-wqm-outputs function attributes

[Matt Arsenault via llvm-commits]

arsenm added inline comments.

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Comment at: lib/Target/AMDGPU/SIWholeQuadMode.cpp:172
@@ -170,1 +171,3 @@
         Flags = StateExact;
+      } else if (WQMOutputs && Opcode == AMDGPU::COPY) {
+        if (TRI->hasVGPRs(TII->getOpRegClass(MI, 0)))
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Looking for specific copies is usually concerning


http://reviews.llvm.org/D20839