Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- GenericValue.h - Represent any type of LLVM value --------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

// The GenericValue class is used to represent an LLVM value of arbitrary type.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_GENERICVALUE_H

#define LLVM_EXECUTIONENGINE_GENERICVALUE_H

#include "llvm/ADT/APInt.h"

#include <vector>

namespace llvm {

using PointerTy = void *;

struct GenericValue {

  struct IntPair {

    unsigned int first;

    unsigned int second;

  };

  union {

    double DoubleVal;

    float FloatVal;

    PointerTy PointerVal;

    struct IntPair UIntPairVal;

    unsigned char Untyped[8];

  };

  APInt IntVal; // also used for long doubles.

  // For aggregate data types.

  std::vector<GenericValue> AggregateVal;

  // to make code faster, set GenericValue to zero could be omitted, but it is

  // potentially can cause problems, since GenericValue to store garbage

  // instead of zero.

  GenericValue() : IntVal(1, 0) {

    UIntPairVal.first = 0;

    UIntPairVal.second = 0;

  }

  explicit GenericValue(void *V) : PointerVal(V), IntVal(1, 0) {}

};

inline GenericValue PTOGV(void *P) { return GenericValue(P); }

inline void *GVTOP(const GenericValue &GV) { return GV.PointerVal; }

} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_GENERICVALUE_H