Add opt-bisect support to additional passes that can be skipped

Differential Revision: http://reviews.llvm.org/D19882

llvm-svn: 268457
diff --git a/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp b/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
index d6a8f48..b044fe8 100644
--- a/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopDataPrefetch.cpp
@@ -147,6 +147,9 @@
 }
 
 bool LoopDataPrefetch::runOnFunction(Function &F) {
+  if (skipFunction(F))
+    return false;
+
   LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
   SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
   DL = &F.getParent()->getDataLayout();