Convert several more passes to use getAnalysisIfAvailable<TargetData>()
instead of getAnalysis<TargetData>().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76982 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index 6b665cc..25ab011 100644
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -68,7 +68,6 @@
     JumpThreading() : FunctionPass(&ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<TargetData>();
     }
 
     bool runOnFunction(Function &F);
@@ -100,7 +99,7 @@
 ///
 bool JumpThreading::runOnFunction(Function &F) {
   DOUT << "Jump threading on function '" << F.getNameStart() << "'\n";
-  TD = &getAnalysis<TargetData>();
+  TD = getAnalysisIfAvailable<TargetData>();
   
   FindLoopHeaders(F);