mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-24 21:11:52 +00:00
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/*
|
|
** LLVM stack variable
|
|
** 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 "ssa_scope.h"
|
|
|
|
template<typename SSAVariable>
|
|
class SSAStack
|
|
{
|
|
public:
|
|
SSAStack()
|
|
: v(0)
|
|
{
|
|
v = SSAScope::alloc_stack(SSAVariable::llvm_type());
|
|
}
|
|
|
|
SSAVariable load() const
|
|
{
|
|
return SSAVariable::from_llvm(SSAScope::builder().CreateLoad(v, SSAScope::hint()));
|
|
}
|
|
|
|
void store(const SSAVariable &new_value)
|
|
{
|
|
SSAScope::builder().CreateStore(new_value.v, v);
|
|
}
|
|
|
|
llvm::Value *v;
|
|
};
|