qzdoom-gpl/tools/drawergen/ssa/ssa_for_block.h

/*
**  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;
};