//===-- GenericValue.h - Represent any type of LLVM value -------*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
-//
+//
// The GenericValue class is used to represent an LLVM value of arbitrary type.
//
//===----------------------------------------------------------------------===//
-#ifndef GENERIC_VALUE_H
-#define GENERIC_VALUE_H
+#ifndef LLVM_EXECUTIONENGINE_GENERICVALUE_H
+#define LLVM_EXECUTIONENGINE_GENERICVALUE_H
-#include "Support/DataTypes.h"
+#include "llvm/ADT/APInt.h"
+#include "llvm/Support/DataTypes.h"
namespace llvm {
-typedef uintptr_t PointerTy;
-
-union GenericValue {
- bool BoolVal;
- unsigned char UByteVal;
- signed char SByteVal;
- unsigned short UShortVal;
- signed short ShortVal;
- unsigned int UIntVal;
- signed int IntVal;
- uint64_t ULongVal;
- int64_t LongVal;
- double DoubleVal;
- float FloatVal;
- PointerTy PointerVal;
- unsigned char Untyped[8];
-
- GenericValue() {}
- GenericValue(void *V) {
- PointerVal = (PointerTy)(intptr_t)V;
- }
+typedef void* PointerTy;
+class APInt;
+
+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 (void*)(intptr_t)GV.PointerVal;
-}
+inline void* GVTOP(const GenericValue &GV) { return GV.PointerVal; }
-} // End llvm namespace
+} // End llvm namespace.
#endif