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953783e00c
Patch by: Veselov, Yuri <Yuri.Veselov@intel.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178469 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
//===-- GenericValue.h - Represent any type of LLVM value -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// The GenericValue class is used to represent an LLVM value of arbitrary type.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_GENERICVALUE_H
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#define LLVM_EXECUTIONENGINE_GENERICVALUE_H
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#include "llvm/ADT/APInt.h"
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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typedef void* PointerTy;
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class APInt;
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struct GenericValue {
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struct IntPair {
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unsigned int first;
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unsigned int second;
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};
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union {
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double DoubleVal;
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float FloatVal;
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PointerTy PointerVal;
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struct IntPair UIntPairVal;
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unsigned char Untyped[8];
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};
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APInt IntVal; // also used for long doubles.
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// For aggregate data types.
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std::vector<GenericValue> AggregateVal;
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// to make code faster, set GenericValue to zero could be omitted, but it is
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// potentially can cause problems, since GenericValue to store garbage
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// instead of zero.
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GenericValue() : IntVal(1,0) {UIntPairVal.first = 0; UIntPairVal.second = 0;}
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explicit GenericValue(void *V) : PointerVal(V), IntVal(1,0) { }
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};
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inline GenericValue PTOGV(void *P) { return GenericValue(P); }
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inline void* GVTOP(const GenericValue &GV) { return GV.PointerVal; }
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} // End llvm namespace.
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#endif
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