[PATCH] D117562: [AMDGPU] Sink immediate VGPR defs if high RP

[Jay Foad via Phabricator via llvm-commits]

foad added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/GCNPreRAOptimizations.cpp:335
+
+  // If occupancy is at 1 then attempt to sink immediate vgpr defs that may
+  // have been hoisted by MachineLICM to loop preheader back into loop in an
----------------
What's special about occupancy 1?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D117562/new/

https://reviews.llvm.org/D117562