[PATCH] D150571: [AMDGPU] Avoid RegScavenger::forward in copyPhysReg/indirectCopyToAGPR

Jay Foad via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 16 07:54:04 PDT 2023


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG64c938e8e31d: [AMDGPU] Avoid RegScavenger::forward in copyPhysReg/indirectCopyToAGPR (authored by foad).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150571/new/

https://reviews.llvm.org/D150571

Files:
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp


Index: llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
+++ llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -618,8 +618,8 @@
     }
   }
 
-  RS.enterBasicBlock(MBB);
-  RS.forward(MI);
+  RS.enterBasicBlockEnd(MBB);
+  RS.backward(MI);
 
   // Ideally we want to have three registers for a long reg_sequence copy
   // to hide 2 waitstates between v_mov_b32 and accvgpr_write.


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