[llvm-branch-commits] [llvm] [2/3][AMDGPU] Physical register tracking in GCN trackers. (PR #184275)

[via llvm-branch-commits]

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@@ -555,29 +660,37 @@ void GCNUpwardRPTracker::recede(const MachineInstr &MI) {
   GCNRegPressure DefPressure, ECDefPressure;
   bool HasECDefs = false;
   for (const MachineOperand &MO : MI.all_defs()) {
-    if (!MO.getReg().isVirtual())
-      continue;
-
     Register Reg = MO.getReg();
-    LaneBitmask DefMask = getDefRegMask(MO, *MRI);
 
-    // Treat a def as fully live at the moment of definition: keep a record.
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macurtis-amd wrote:

This comment got dropped. Was that on purpose?

https://github.com/llvm/llvm-project/pull/184275