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/* -*- mesa-c++ -*-
*
* Copyright (c) 2018-2019 Collabora LTD
*
* Author: Gert Wollny <gert.wollny@collabora.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SFN_IFELSEINSTRUCTION_H
#define SFN_IFELSEINSTRUCTION_H
#include "sfn_instruction_alu.h"
namespace r600 {
class CFInstruction : public Instruction {
protected:
CFInstruction(instr_type type);
};
class IfElseInstruction : public CFInstruction {
public:
IfElseInstruction(instr_type type);
};
class IfInstruction : public IfElseInstruction {
public:
IfInstruction(AluInstruction *pred);
const AluInstruction& pred() const {return *m_pred;}
private:
void do_evalue_liveness(LiverangeEvaluator& eval) const override;
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
std::shared_ptr<AluInstruction> m_pred;
};
class ElseInstruction : public IfElseInstruction {
public:
ElseInstruction(IfInstruction *jump_src);
private:
void do_evalue_liveness(LiverangeEvaluator& eval) const override;
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
IfElseInstruction *m_jump_src;
};
class IfElseEndInstruction : public IfElseInstruction {
public:
IfElseEndInstruction();
private:
void do_evalue_liveness(LiverangeEvaluator& eval) const override;
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
};
class LoopBeginInstruction: public CFInstruction {
public:
LoopBeginInstruction();
private:
void do_evalue_liveness(LiverangeEvaluator& eval) const override;
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
};
class LoopEndInstruction: public CFInstruction {
public:
LoopEndInstruction(LoopBeginInstruction *start);
private:
void do_evalue_liveness(LiverangeEvaluator& eval) const override;
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
LoopBeginInstruction *m_start;
};
class LoopBreakInstruction: public CFInstruction {
public:
LoopBreakInstruction();
private:
void do_evalue_liveness(LiverangeEvaluator& eval) const override;
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
};
class LoopContInstruction: public CFInstruction {
public:
LoopContInstruction();
private:
bool is_equal_to(const Instruction& lhs) const override;
void do_print(std::ostream& os) const override;
};
}
#endif // SFN_IFELSEINSTRUCTION_H
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