MI Sched: regpressure tracing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 0acd980..e800361 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -507,6 +507,14 @@
if ((int)NewMaxPressure[ID] > MaxUnits)
MaxUnits = NewMaxPressure[ID];
}
+ DEBUG(
+ for (unsigned i = 0, e = NewMaxPressure.size(); i < e; ++i) {
+ unsigned Limit = TRI->getRegPressureSetLimit(i);
+ if (NewMaxPressure[i] > Limit ) {
+ dbgs() << " " << TRI->getRegPressureSetName(i) << ": "
+ << NewMaxPressure[i] << " > " << Limit << "\n";
+ }
+ });
}
/// schedule - Called back from MachineScheduler::runOnMachineFunction