change this back too


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100310 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 096bf91..9294647 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -101,7 +101,7 @@
 }
 
 bool AsmPrinter::doInitialization(Module &M) {
-  MMI = &getAnalysis<MachineModuleInfo>();
+  MMI = getAnalysisIfAvailable<MachineModuleInfo>();
   MMI->AnalyzeModule(M);
 
   // Initialize TargetLoweringObjectFile.