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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180063 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetMachineC.cpp b/lib/Target/TargetMachineC.cpp
index 11a5d7a..7c644fc 100644
--- a/lib/Target/TargetMachineC.cpp
+++ b/lib/Target/TargetMachineC.cpp
@@ -17,6 +17,7 @@
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Module.h"
 #include "llvm/PassManager.h"
+#include "llvm/Wrap.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/TargetRegistry.h"
@@ -28,7 +29,36 @@
 
 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);
+}
+
+inline TargetMachine *unwrap(LLVMTargetMachineRef P) {
+  return reinterpret_cast<TargetMachine*>(P);
+}
+inline Target *unwrap(LLVMTargetRef P) {
+  return reinterpret_cast<Target*>(P);
+}
+inline LLVMTargetMachineRef wrap(const TargetMachine *P) {
+  return
+    reinterpret_cast<LLVMTargetMachineRef>(const_cast<TargetMachine*>(P));
+}
+inline LLVMTargetRef wrap(const Target * P) {
+  return reinterpret_cast<LLVMTargetRef>(const_cast<Target*>(P));
+}
 
 LLVMTargetRef LLVMGetFirstTarget() {
    const Target* target = &*TargetRegistry::begin();