1 files changed, 73 insertions, 0 deletions
diff --git a/clang/include/clang/Basic/LLVM.h b/clang/include/clang/Basic/LLVM.h
new file mode 100644
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+++ b/clang/include/clang/Basic/LLVM.h
@@ -0,0 +1,73 @@
+//===--- LLVM.h - Import various common LLVM datatypes ----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file forward declares and imports various common LLVM datatypes that
+// clang wants to use unqualified.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_BASIC_LLVM_H
+#define CLANG_BASIC_LLVM_H
+
+// This should be the only #include, force #includes of all the others on
+// clients.
+#include "llvm/Support/Casting.h"
+
+namespace llvm {
+  // ADT's.
+  class StringRef;
+  class Twine;
+  template<typename T> class ArrayRef;
+  template<class T> class OwningPtr;
+  template<unsigned InternalLen> class SmallString;
+  template<typename T, unsigned N> class SmallVector;
+  template<typename T> class SmallVectorImpl;
+
+  template<typename T>
+  struct SaveAndRestore;
+
+  // Reference counting.
+  template <typename T> class IntrusiveRefCntPtr;
+  template <typename T> struct IntrusiveRefCntPtrInfo;
+  template <class Derived> class RefCountedBase;
+  class RefCountedBaseVPTR;
+
+  class raw_ostream;
+  // TODO: DenseMap, ...
+}
+
+
+namespace clang {
+  // Casting operators.
+  using llvm::isa;
+  using llvm::cast;
+  using llvm::dyn_cast;
+  using llvm::dyn_cast_or_null;
+  using llvm::cast_or_null;
+  
+  // ADT's.
+  using llvm::StringRef;
+  using llvm::Twine;
+  using llvm::ArrayRef;
+  using llvm::OwningPtr;
+  using llvm::SmallString;
+  using llvm::SmallVector;
+  using llvm::SmallVectorImpl;
+  using llvm::SaveAndRestore;
+
+  // Reference counting.
+  using llvm::IntrusiveRefCntPtr;
+  using llvm::IntrusiveRefCntPtrInfo;
+  using llvm::RefCountedBase;
+  using llvm::RefCountedBaseVPTR;
+
+  using llvm::raw_ostream;
+} // end namespace clang.
+
+#endif