1//===-- GenericValue.h - Represent any type of LLVM value -------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// The GenericValue class is used to represent an LLVM value of arbitrary type.
11//
12//===----------------------------------------------------------------------===//
13
14
15#ifndef GENERIC_VALUE_H
16#define GENERIC_VALUE_H
17
18#include "llvm/ADT/APInt.h"
19#include "llvm/Support/DataTypes.h"
20
21namespace llvm {
22
23typedef void* PointerTy;
24class APInt;
25
26struct GenericValue {
27  union {
28    double          DoubleVal;
29    float           FloatVal;
30    PointerTy       PointerVal;
31    struct { unsigned int first; unsigned int second; } UIntPairVal;
32    unsigned char   Untyped[8];
33  };
34  APInt IntVal;   // also used for long doubles
35
36  GenericValue() : DoubleVal(0.0), IntVal(1,0) {}
37  explicit GenericValue(void *V) : PointerVal(V), IntVal(1,0) { }
38};
39
40inline GenericValue PTOGV(void *P) { return GenericValue(P); }
41inline void* GVTOP(const GenericValue &GV) { return GV.PointerVal; }
42
43} // End llvm namespace
44#endif
45