Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/ExecutionEngine/ObjectCache.h b/linux-x64/clang/include/llvm/ExecutionEngine/ObjectCache.h
new file mode 100644
index 0000000..0770444
--- /dev/null
+++ b/linux-x64/clang/include/llvm/ExecutionEngine/ObjectCache.h
@@ -0,0 +1,42 @@
+//===-- ObjectCache.h - Class definition for the ObjectCache ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H
+#define LLVM_EXECUTIONENGINE_OBJECTCACHE_H
+
+#include "llvm/Support/MemoryBuffer.h"
+#include <memory>
+
+namespace llvm {
+
+class Module;
+
+/// This is the base ObjectCache type which can be provided to an
+/// ExecutionEngine for the purpose of avoiding compilation for Modules that
+/// have already been compiled and an object file is available.
+class ObjectCache {
+ virtual void anchor();
+
+public:
+ ObjectCache() = default;
+
+ virtual ~ObjectCache() = default;
+
+ /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
+ virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;
+
+ /// Returns a pointer to a newly allocated MemoryBuffer that contains the
+ /// object which corresponds with Module M, or 0 if an object is not
+ /// available.
+ virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_EXECUTIONENGINE_OBJECTCACHE_H