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

[Matt Arsenault via llvm-branch-commits]

================
@@ -50,8 +52,32 @@ void GCNRegPressure::inc(unsigned Reg,
                          LaneBitmask PrevMask,
                          LaneBitmask NewMask,
                          const MachineRegisterInfo &MRI) {
+  const TargetRegisterInfo *TRI = MRI.getTargetRegisterInfo();
+  const SIRegisterInfo *STI = static_cast<const SIRegisterInfo *>(TRI);
+  const TargetRegisterClass *RC;
+  if (Register(Reg).isVirtual()) {
----------------
arsenm wrote:

The input should be REgistert o begin with 

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