Implement __builtin_dwarf_sp_column for i386 (Darwin and not), x86-64 (all),

and ARM.  Implement __builtin_init_dwarf_reg_size_table for i386 (both) and
x86-64 (all).

llvm-svn: 97859

clang/lib/CodeGen/CodeGenModule.h

@@ -204,6 +204,7 @@ public:
   const llvm::TargetData &getTargetData() const { return TheTargetData; }
   llvm::LLVMContext &getLLVMContext() { return VMContext; }
   const TargetCodeGenInfo &getTargetCodeGenInfo() const;
+  bool isTargetDarwin() const;
 
   /// getDeclVisibilityMode - Compute the visibility of the decl \arg D.
   LangOptions::VisibilityMode getDeclVisibilityMode(const Decl *D) const;