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