mirror of https://github.com/ZDoom/gzdoom.git
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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** LLVM stack variable
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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 "ssa_scope.h"
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template<typename SSAVariable>
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class SSAStack
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{
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public:
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SSAStack()
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: v(0)
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{
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v = SSAScope::alloc_stack(SSAVariable::llvm_type());
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}
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SSAVariable load() const
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{
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return SSAVariable::from_llvm(SSAScope::builder().CreateLoad(v, SSAScope::hint()));
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}
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void store(const SSAVariable &new_value)
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{
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SSAScope::builder().CreateStore(new_value.v, v);
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}
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llvm::Value *v;
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};
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