Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/AsmParser/SlotMapping.h b/linux-x64/clang/include/llvm/AsmParser/SlotMapping.h
new file mode 100644
index 0000000..bd7e8fc
--- /dev/null
+++ b/linux-x64/clang/include/llvm/AsmParser/SlotMapping.h
@@ -0,0 +1,42 @@
+//===-- SlotMapping.h - Slot number mapping for unnamed values --*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declaration of the SlotMapping struct.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ASMPARSER_SLOTMAPPING_H
+#define LLVM_ASMPARSER_SLOTMAPPING_H
+
+#include "llvm/ADT/StringMap.h"
+#include "llvm/IR/TrackingMDRef.h"
+#include <map>
+#include <vector>
+
+namespace llvm {
+
+class GlobalValue;
+class Type;
+
+/// This struct contains the mappings from the slot numbers to unnamed metadata
+/// nodes, global values and types. It also contains the mapping for the named
+/// types.
+/// It can be used to save the parsing state of an LLVM IR module so that the
+/// textual references to the values in the module can be parsed outside of the
+/// module's source.
+struct SlotMapping {
+ std::vector<GlobalValue *> GlobalValues;
+ std::map<unsigned, TrackingMDNodeRef> MetadataNodes;
+ StringMap<Type *> NamedTypes;
+ std::map<unsigned, Type *> Types;
+};
+
+} // end namespace llvm
+
+#endif