selection dag doesn't need DwarfWriter, remove some tendrils.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100382 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 69ff94b..2ae234d 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -332,8 +332,7 @@
   DEBUG(dbgs() << "\n\n\n=== " << Fn.getName() << "\n");
 
   MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
-  DwarfWriter *DW = getAnalysisIfAvailable<DwarfWriter>();
-  CurDAG->init(*MF, MMI, DW);
+  CurDAG->init(*MF, MMI);
   FuncInfo->set(Fn, *MF, EnableFastISel);
   SDB->init(GFI, *AA);