Remove dead code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index 3d4e705..2363df4 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -670,16 +670,11 @@
 
   // Then re-insert them according to the given schedule.
   for (unsigned i = 0, e = Sequence.size(); i != e; i++) {
-    SUnit *SU = Sequence[i];
-    if (!SU) {
+    if (SUnit *SU = Sequence[i])
+      BB->insert(InsertPos, SU->getInstr());
+    else
       // Null SUnit* is a noop.
       EmitNoop();
-      continue;
-    }
-
-    BB->insert(InsertPos, SU->getInstr());
-    for (unsigned i = 0, e = SU->DbgInstrList.size() ; i < e ; ++i)
-      BB->insert(InsertPos, SU->DbgInstrList[i]);
   }
 
   // Update the Begin iterator, as the first instruction in the block