Factor out the code for verifying the work of the scheduler,
extend it a bit, and make use of it in all schedulers, to
ensure consistent checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59689 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PostRASchedulerList.cpp b/lib/CodeGen/PostRASchedulerList.cpp
index 3a31eaa..a2ad4e3 100644
--- a/lib/CodeGen/PostRASchedulerList.cpp
+++ b/lib/CodeGen/PostRASchedulerList.cpp
@@ -229,18 +229,7 @@
   }
 
 #ifndef NDEBUG
-  // Verify that all SUnits were scheduled.
-  bool AnyNotSched = false;
-  for (unsigned i = 0, e = SUnits.size(); i != e; ++i) {
-    if (SUnits[i].NumPredsLeft != 0) {
-      if (!AnyNotSched)
-        cerr << "*** List scheduling failed! ***\n";
-      SUnits[i].dump(this);
-      cerr << "has not been scheduled!\n";
-      AnyNotSched = true;
-    }
-  }
-  assert(!AnyNotSched);
+  VerifySchedule(/*isBottomUp=*/false);
 #endif
 }