Revert "Remove access to the DataLayout in the TargetMachine"

This reverts commit 0f720d984f419c747709462f7476dff962c0bc41.

It breaks clang too badly, I need to prepare a proper patch for clang
first.

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 243089

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/examples/Kaleidoscope/Orc/initial/toy.cpp b/llvm/examples/Kaleidoscope/Orc/initial/toy.cpp
index 91290157ace..7e99c0f5ba5 100644
--- a/llvm/examples/Kaleidoscope/Orc/initial/toy.cpp
+++ b/llvm/examples/Kaleidoscope/Orc/initial/toy.cpp
@@ -716,7 +716,7 @@ public:
       M(new Module(GenerateUniqueName("jit_module_"),
                    Session.getLLVMContext())),
       Builder(Session.getLLVMContext()) {
-    M->setDataLayout(Session.getTarget().createDataLayout());
+    M->setDataLayout(*Session.getTarget().getDataLayout());
   }
 
   SessionContext& getSession() { return Session; }
@@ -1160,7 +1160,7 @@ public:
   typedef CompileLayerT::ModuleSetHandleT ModuleHandleT;
 
   KaleidoscopeJIT(SessionContext &Session)
-      : DL(Session.getTarget().createDataLayout()),
+      : DL(*Session.getTarget().getDataLayout()),
         CompileLayer(ObjectLayer, SimpleCompiler(Session.getTarget())) {}
 
   std::string mangle(const std::string &Name) {
@@ -1201,7 +1201,7 @@ public:
   }
 
 private:
-  const DataLayout DL;
+  const DataLayout &DL;
   ObjLayerT ObjectLayer;
   CompileLayerT CompileLayer;
 };