misched: Trace regpressure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157429 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 5fe7744a1a05e5890f07b5b0b99af1d2f04c46e6..78a5b8d8cd5da524290ca969d1c8e72fe19ce815 100644 (file)
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -250,7 +250,8 @@ bool MachineScheduler::runOnMachineFunction(MachineFunction &mf) {
         Scheduler->exitRegion();
         continue;
       }
         Scheduler->exitRegion();
         continue;
       }

-      DEBUG(dbgs() << "MachineScheduling " << MF->getFunction()->getName()
+      DEBUG(dbgs() << "********** MI Scheduling **********\n");
+      DEBUG(dbgs() << MF->getFunction()->getName()

             << ":BB#" << MBB->getNumber() << "\n  From: " << *I << "    To: ";
             if (RegionEnd != MBB->end()) dbgs() << *RegionEnd;
             else dbgs() << "End";
             << ":BB#" << MBB->getNumber() << "\n  From: " << *I << "    To: ";
             if (RegionEnd != MBB->end()) dbgs() << *RegionEnd;
             else dbgs() << "End";


@@ -520,6 +521,8 @@ void ScheduleDAGMI::initRegPressure() {
   // Close the RPTracker to finalize live ins.
   RPTracker.closeRegion();
 
   // Close the RPTracker to finalize live ins.
   RPTracker.closeRegion();
 

+  DEBUG(RPTracker.getPressure().dump(TRI));
+

   // Initialize the live ins and live outs.
   TopRPTracker.addLiveRegs(RPTracker.getPressure().LiveInRegs);
   BotRPTracker.addLiveRegs(RPTracker.getPressure().LiveOutRegs);
   // Initialize the live ins and live outs.
   TopRPTracker.addLiveRegs(RPTracker.getPressure().LiveInRegs);
   BotRPTracker.addLiveRegs(RPTracker.getPressure().LiveOutRegs);


@@ -601,7 +604,6 @@ void ScheduleDAGMI::schedule() {
   // Initialize top/bottom trackers after computing region pressure.
   initRegPressure();
 
   // Initialize top/bottom trackers after computing region pressure.
   initRegPressure();
 

-  DEBUG(dbgs() << "********** MI Scheduling **********\n");

   DEBUG(for (unsigned su = 0, e = SUnits.size(); su != e; ++su)
           SUnits[su].dumpAll(this));
 
   DEBUG(for (unsigned su = 0, e = SUnits.size(); su != e; ++su)
           SUnits[su].dumpAll(this));