[PATCH] D25526: AMDGPU/SI: Handle s_getreg hazard in GCNHazardRecognizer

[Matt Arsenault via llvm-commits]

arsenm accepted this revision.
arsenm added a comment.
This revision is now accepted and ready to land.

LGTM



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Comment at: lib/Target/AMDGPU/GCNHazardRecognizer.cpp:320
+    const MachineInstr *MI = *I;
+    if (!MI || !isSSetReg(MI->getOpcode()) || HWReg != getHWReg(TII, *MI))
+      continue;
----------------
HWReg != getHWReg looks confusing to me. getHWReg(TII, *MI) != GetRegHWReg?


https://reviews.llvm.org/D25526