Print SlotIndexes when available for -print-machineinstrs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159726 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineFunctionPrinterPass.cpp b/lib/CodeGen/MachineFunctionPrinterPass.cpp
index dbda93e..0102ac7 100644
--- a/lib/CodeGen/MachineFunctionPrinterPass.cpp
+++ b/lib/CodeGen/MachineFunctionPrinterPass.cpp
@@ -14,6 +14,7 @@
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/SlotIndexes.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/Debug.h"
 
@@ -42,7 +43,7 @@
 
   bool runOnMachineFunction(MachineFunction &MF) {
     OS << "# " << Banner << ":\n";
-    MF.print(OS);
+    MF.print(OS, getAnalysisIfAvailable<SlotIndexes>());
     return false;
   }
 };