vendor/llvm/llvm-trunk-r338150

1 files changed, 10 insertions, 1 deletions

diff --git a/lib/Target/SystemZ/SystemZMachineScheduler.h b/lib/Target/SystemZ/SystemZMachineScheduler.h
index de1bf4655c54..cb0304825966 100644
--- a/lib/Target/SystemZ/SystemZMachineScheduler.h
+++ b/lib/Target/SystemZ/SystemZMachineScheduler.h
@@ -58,6 +58,15 @@ class SystemZPostRASchedStrategy : public MachineSchedStrategy {
     bool noCost() const {
       return (GroupingCost <= 0 && !ResourcesCost);
     }
+
+#ifndef NDEBUG
+    void dumpCosts() {
+      if (GroupingCost != 0)
+        dbgs() << "  Grouping cost:" << GroupingCost;
+      if (ResourcesCost != 0)
+        dbgs() << "  Resource cost:" << ResourcesCost;
+    }
+#endif
   };
 
   // A sorter for the Available set that makes sure that SUs are considered
@@ -119,7 +128,7 @@ public:
   // transferrred over scheduling boundaries.
   bool doMBBSchedRegionsTopDown() const override { return true; }
 
-  void initialize(ScheduleDAGMI *dag) override {}
+  void initialize(ScheduleDAGMI *dag) override;
 
   /// Tell the strategy that MBB is about to be processed.
   void enterMBB(MachineBasicBlock *NextMBB) override;