qzdoom-gpl/tools/drawergen/ssa/ssa_for_block.h
2016-11-28 17:31:56 +01:00

38 lines
1.2 KiB
C++

/*
** LLVM for loop branching
** 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_bool.h"
class SSAForBlock
{
public:
SSAForBlock();
void loop_block(SSABool true_condition, int unroll_count = 8);
void end_block();
private:
llvm::BasicBlock *if_basic_block;
llvm::BasicBlock *loop_basic_block;
llvm::BasicBlock *end_basic_block;
};