================
@@ -596,11 +709,33 @@ void GCNUpwardRPTracker::recede(const MachineInstr &MI) {
CurPressure.inc(U.VRegOrUnit.asVirtualReg(), PrevMask, LiveMask, *MRI);
}
+ if (TrackPhysRegs) {
+ // Physical register handling needs the register directly to avoid
aliasing,
+ // so we need to iterate over all uses.
+ for (const MachineOperand &MO : MI.all_uses()) {
+ if (!MO.isReg() || !MO.getReg().isPhysical() || !MO.readsReg())
----------------
dhruvachak wrote:
Done.
https://github.com/llvm/llvm-project/pull/184275
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