Move C++ code out of the C headers and into either C++ headers
or the C++ files themselves. This enables people to use
just a C compiler to interoperate with LLVM.

llvm-svn: 180063
diff --git a/llvm/lib/Target/Target.cpp b/llvm/lib/Target/Target.cpp
index 9a78ebc..c96235c 100644
--- a/llvm/lib/Target/Target.cpp
+++ b/llvm/lib/Target/Target.cpp
@@ -18,11 +18,29 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/PassManager.h"
+#include "llvm/Wrap.h"
 #include "llvm/Target/TargetLibraryInfo.h"
 #include <cstring>
 
 using namespace llvm;
 
+inline DataLayout *unwrap(LLVMTargetDataRef P) {
+  return reinterpret_cast<DataLayout*>(P);
+}
+
+inline LLVMTargetDataRef wrap(const DataLayout *P) {
+  return reinterpret_cast<LLVMTargetDataRef>(const_cast<DataLayout*>(P));
+}
+
+inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) {
+  return reinterpret_cast<TargetLibraryInfo*>(P);
+}
+
+inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) {
+  TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P);
+  return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
+}
+
 void llvm::initializeTarget(PassRegistry &Registry) {
   initializeDataLayoutPass(Registry);
   initializeTargetLibraryInfoPass(Registry);