[DA][NewPM] Add a printerpass and port the testsuite

The new-pm version of DA is untested. Testing requires a printer, so
add that and use it in the existing DA tests.

Differential Revision: https://reviews.llvm.org/D56386

llvm-svn: 350624
diff --git a/llvm/lib/Analysis/DependenceAnalysis.cpp b/llvm/lib/Analysis/DependenceAnalysis.cpp
index b544ae5..3f4dfa5 100644
--- a/llvm/lib/Analysis/DependenceAnalysis.cpp
+++ b/llvm/lib/Analysis/DependenceAnalysis.cpp
@@ -194,6 +194,13 @@
   dumpExampleDependence(OS, info.get());
 }
 
+PreservedAnalyses
+DependenceAnalysisPrinterPass::run(Function &F, FunctionAnalysisManager &FAM) {
+  OS << "'Dependence Analysis' for function '" << F.getName() << "':\n";
+  dumpExampleDependence(OS, &FAM.getResult<DependenceAnalysis>(F));
+  return PreservedAnalyses::all();
+}
+
 //===----------------------------------------------------------------------===//
 // Dependence methods