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/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
index 7dab7e3..fa8902c 100644
--- a/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp
@@ -343,9 +343,10 @@
 }
 
 bool DataFlowSanitizer::doInitialization(Module &M) {
-  DL = getAnalysisIfAvailable<DataLayout>();
-  if (!DL)
+  DataLayoutPass *DLP = getAnalysisIfAvailable<DataLayoutPass>();
+  if (!DLP)
     return false;
+  DL = &DLP->getDataLayout();
 
   Mod = &M;
   Ctx = &M.getContext();