gzdoom-gles/tools/drawergen/ssa/ssa_value.h
2016-11-28 17:31:56 +01:00

74 lines
1.9 KiB
C++

/*
** SSA value
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#pragma once
#include <vector>
namespace llvm { class Value; }
class SSAInt;
class SSAIndexLookup;
class SSAValue
{
public:
SSAValue() : v(0) { }
static SSAValue from_llvm(llvm::Value *v) { SSAValue val; val.v = v; return val; }
SSAValue load(bool constantScopeDomain);
void store(llvm::Value *v);
template<typename Type>
operator Type()
{
return Type::from_llvm(v);
}
SSAIndexLookup operator[](int index);
SSAIndexLookup operator[](SSAInt index);
llvm::Value *v;
};
class SSAIndexLookup
{
public:
SSAIndexLookup() : v(0) { }
llvm::Value *v;
std::vector<llvm::Value *> indexes;
SSAValue load(bool constantScopeDomain) { SSAValue value = *this; return value.load(constantScopeDomain); }
void store(llvm::Value *v) { SSAValue value = *this; return value.store(v); }
template<typename Type>
operator Type()
{
return Type::from_llvm(v);
}
operator SSAValue();
SSAIndexLookup operator[](int index);
SSAIndexLookup operator[](SSAInt index);
};