Make DataLayout a plain object, not a pass.

Instead, have a DataLayoutPass that holds one. This will allow parts of LLVM
don't don't handle passes to also use DataLayout.

llvm-svn: 202168
diff --git a/llvm/examples/Kaleidoscope/Chapter7/toy.cpp b/llvm/examples/Kaleidoscope/Chapter7/toy.cpp
index 15d1c2a..48d24c0 100644
--- a/llvm/examples/Kaleidoscope/Chapter7/toy.cpp
+++ b/llvm/examples/Kaleidoscope/Chapter7/toy.cpp
@@ -1113,7 +1113,7 @@
 
   // Set up the optimizer pipeline.  Start with registering info about how the
   // target lays out data structures.
-  OurFPM.add(new DataLayout(*TheExecutionEngine->getDataLayout()));
+  OurFPM.add(new DataLayoutPass(*TheExecutionEngine->getDataLayout()));
   // Provide basic AliasAnalysis support for GVN.
   OurFPM.add(createBasicAliasAnalysisPass());
   // Promote allocas to registers.