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diff --git a/contrib/llvm/utils/TableGen/CodeGenTarget.h b/contrib/llvm/utils/TableGen/CodeGenTarget.h
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+++ b/contrib/llvm/utils/TableGen/CodeGenTarget.h
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+//===- CodeGenTarget.h - Target Class Wrapper -------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines wrappers for the Target class and related global
+// functionality.  This makes it easier to access the data and provides a single
+// place that needs to check it for validity.  All of these classes throw
+// exceptions on error conditions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CODEGEN_TARGET_H
+#define CODEGEN_TARGET_H
+
+#include "CodeGenRegisters.h"
+#include "CodeGenInstruction.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+
+namespace llvm {
+
+struct CodeGenRegister;
+class CodeGenTarget;
+
+// SelectionDAG node properties.
+//  SDNPMemOperand: indicates that a node touches memory and therefore must
+//                  have an associated memory operand that describes the access.
+enum SDNP {
+  SDNPCommutative,
+  SDNPAssociative,
+  SDNPHasChain,
+  SDNPOutGlue,
+  SDNPInGlue,
+  SDNPOptInGlue,
+  SDNPMayLoad,
+  SDNPMayStore,
+  SDNPSideEffect,
+  SDNPMemOperand,
+  SDNPVariadic,
+  SDNPWantRoot,
+  SDNPWantParent
+};
+
+/// getValueType - Return the MVT::SimpleValueType that the specified TableGen
+/// record corresponds to.
+MVT::SimpleValueType getValueType(Record *Rec);
+
+std::string getName(MVT::SimpleValueType T);
+std::string getEnumName(MVT::SimpleValueType T);
+
+/// getQualifiedName - Return the name of the specified record, with a
+/// namespace qualifier if the record contains one.
+std::string getQualifiedName(const Record *R);
+
+/// CodeGenTarget - This class corresponds to the Target class in the .td files.
+///
+class CodeGenTarget {
+  RecordKeeper &Records;
+  Record *TargetRec;
+
+  mutable DenseMap<const Record*, CodeGenInstruction*> Instructions;
+  mutable CodeGenRegBank *RegBank;
+  mutable std::vector<Record*> RegAltNameIndices;
+  mutable std::vector<MVT::SimpleValueType> LegalValueTypes;
+  void ReadRegAltNameIndices() const;
+  void ReadInstructions() const;
+  void ReadLegalValueTypes() const;
+
+  mutable std::vector<const CodeGenInstruction*> InstrsByEnum;
+public:
+  CodeGenTarget(RecordKeeper &Records);
+
+  Record *getTargetRecord() const { return TargetRec; }
+  const std::string &getName() const;
+
+  /// getInstNamespace - Return the target-specific instruction namespace.
+  ///
+  std::string getInstNamespace() const;
+
+  /// getInstructionSet - Return the InstructionSet object.
+  ///
+  Record *getInstructionSet() const;
+
+  /// getAsmParser - Return the AssemblyParser definition for this target.
+  ///
+  Record *getAsmParser() const;
+
+  /// getAsmParserVariant - Return the AssmblyParserVariant definition for
+  /// this target.
+  ///
+  Record *getAsmParserVariant(unsigned i) const;
+
+  /// getAsmParserVariantCount - Return the AssmblyParserVariant definition 
+  /// available for this target.
+  ///
+  unsigned getAsmParserVariantCount() const;
+
+  /// getAsmWriter - Return the AssemblyWriter definition for this target.
+  ///
+  Record *getAsmWriter() const;
+
+  /// getRegBank - Return the register bank description.
+  CodeGenRegBank &getRegBank() const;
+
+  /// getRegisterByName - If there is a register with the specific AsmName,
+  /// return it.
+  const CodeGenRegister *getRegisterByName(StringRef Name) const;
+
+  const std::vector<Record*> &getRegAltNameIndices() const {
+    if (RegAltNameIndices.empty()) ReadRegAltNameIndices();
+    return RegAltNameIndices;
+  }
+
+  const CodeGenRegisterClass &getRegisterClass(Record *R) const {
+    return *getRegBank().getRegClass(R);
+  }
+
+  /// getRegisterVTs - Find the union of all possible SimpleValueTypes for the
+  /// specified physical register.
+  std::vector<MVT::SimpleValueType> getRegisterVTs(Record *R) const;
+
+  const std::vector<MVT::SimpleValueType> &getLegalValueTypes() const {
+    if (LegalValueTypes.empty()) ReadLegalValueTypes();
+    return LegalValueTypes;
+  }
+
+  /// isLegalValueType - Return true if the specified value type is natively
+  /// supported by the target (i.e. there are registers that directly hold it).
+  bool isLegalValueType(MVT::SimpleValueType VT) const {
+    const std::vector<MVT::SimpleValueType> &LegalVTs = getLegalValueTypes();
+    for (unsigned i = 0, e = LegalVTs.size(); i != e; ++i)
+      if (LegalVTs[i] == VT) return true;
+    return false;
+  }
+
+private:
+  DenseMap<const Record*, CodeGenInstruction*> &getInstructions() const {
+    if (Instructions.empty()) ReadInstructions();
+    return Instructions;
+  }
+public:
+
+  CodeGenInstruction &getInstruction(const Record *InstRec) const {
+    if (Instructions.empty()) ReadInstructions();
+    DenseMap<const Record*, CodeGenInstruction*>::iterator I =
+      Instructions.find(InstRec);
+    assert(I != Instructions.end() && "Not an instruction");
+    return *I->second;
+  }
+
+  /// getInstructionsByEnumValue - Return all of the instructions defined by the
+  /// target, ordered by their enum value.
+  const std::vector<const CodeGenInstruction*> &
+  getInstructionsByEnumValue() const {
+    if (InstrsByEnum.empty()) ComputeInstrsByEnum();
+    return InstrsByEnum;
+  }
+
+  typedef std::vector<const CodeGenInstruction*>::const_iterator inst_iterator;
+  inst_iterator inst_begin() const{return getInstructionsByEnumValue().begin();}
+  inst_iterator inst_end() const { return getInstructionsByEnumValue().end(); }
+
+
+  /// isLittleEndianEncoding - are instruction bit patterns defined as  [0..n]?
+  ///
+  bool isLittleEndianEncoding() const;
+
+private:
+  void ComputeInstrsByEnum() const;
+};
+
+/// ComplexPattern - ComplexPattern info, corresponding to the ComplexPattern
+/// tablegen class in TargetSelectionDAG.td
+class ComplexPattern {
+  MVT::SimpleValueType Ty;
+  unsigned NumOperands;
+  std::string SelectFunc;
+  std::vector<Record*> RootNodes;
+  unsigned Properties; // Node properties
+public:
+  ComplexPattern() : NumOperands(0) {}
+  ComplexPattern(Record *R);
+
+  MVT::SimpleValueType getValueType() const { return Ty; }
+  unsigned getNumOperands() const { return NumOperands; }
+  const std::string &getSelectFunc() const { return SelectFunc; }
+  const std::vector<Record*> &getRootNodes() const {
+    return RootNodes;
+  }
+  bool hasProperty(enum SDNP Prop) const { return Properties & (1 << Prop); }
+};
+
+} // End llvm namespace
+
+#endif