misched preparation: modularize schedule printing.
ScheduleDAG will not refer to the scheduled instruction sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152205 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp
index 4c768ac..72ae6fe 100644
--- a/lib/CodeGen/PostRASchedulerList.cpp
+++ b/lib/CodeGen/PostRASchedulerList.cpp
@@ -170,6 +170,8 @@
// adjustments may be made to the instruction if necessary. Return
// true if the operand has been deleted, false if not.
bool ToggleKillFlag(MachineInstr *MI, MachineOperand &MO);
+
+ void dumpSchedule() const;
};
}
@@ -202,6 +204,16 @@
delete AntiDepBreak;
}
+/// dumpSchedule - dump the scheduled Sequence.
+void SchedulePostRATDList::dumpSchedule() const {
+ for (unsigned i = 0, e = Sequence.size(); i != e; i++) {
+ if (SUnit *SU = Sequence[i])
+ SU->dump(this);
+ else
+ dbgs() << "**** NOOP ****\n";
+ }
+}
+
bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
TII = Fn.getTarget().getInstrInfo();
MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();
@@ -343,6 +355,12 @@
AvailableQueue.initNodes(SUnits);
ListScheduleTopDown();
AvailableQueue.releaseState();
+
+ DEBUG({
+ dbgs() << "*** Final schedule ***\n";
+ dumpSchedule();
+ dbgs() << '\n';
+ });
}
/// Observe - Update liveness information to account for the current