1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2018-2019 Collabora LTD 4 * 5 * Author: Gert Wollny <gert.wollny@collabora.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * on the rights to use, copy, modify, merge, publish, distribute, sub 11 * license, and/or sell copies of the Software, and to permit persons to whom 12 * the Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 #ifndef SFN_IFELSEINSTRUCTION_H 28 #define SFN_IFELSEINSTRUCTION_H 29 30 #include "sfn_instruction_alu.h" 31 32 namespace r600 { 33 34 class CFInstruction : public Instruction { 35 protected: 36 CFInstruction(instr_type type); 37 }; 38 39 class IfElseInstruction : public CFInstruction { 40 public: 41 IfElseInstruction(instr_type type); 42 }; 43 44 class IfInstruction : public IfElseInstruction { 45 public: 46 IfInstruction(AluInstruction *pred); pred()47 const AluInstruction& pred() const {return *m_pred;} 48 private: 49 void do_evalue_liveness(LiverangeEvaluator& eval) const override; 50 bool is_equal_to(const Instruction& lhs) const override; 51 void do_print(std::ostream& os) const override; 52 std::shared_ptr<AluInstruction> m_pred; 53 }; 54 55 class ElseInstruction : public IfElseInstruction { 56 public: 57 ElseInstruction(IfInstruction *jump_src); 58 private: 59 void do_evalue_liveness(LiverangeEvaluator& eval) const override; 60 bool is_equal_to(const Instruction& lhs) const override; 61 void do_print(std::ostream& os) const override; 62 63 IfElseInstruction *m_jump_src; 64 }; 65 66 class IfElseEndInstruction : public IfElseInstruction { 67 public: 68 IfElseEndInstruction(); 69 private: 70 void do_evalue_liveness(LiverangeEvaluator& eval) const override; 71 bool is_equal_to(const Instruction& lhs) const override; 72 void do_print(std::ostream& os) const override; 73 }; 74 75 class LoopBeginInstruction: public CFInstruction { 76 public: 77 LoopBeginInstruction(); 78 private: 79 void do_evalue_liveness(LiverangeEvaluator& eval) const override; 80 bool is_equal_to(const Instruction& lhs) const override; 81 void do_print(std::ostream& os) const override; 82 }; 83 84 class LoopEndInstruction: public CFInstruction { 85 public: 86 LoopEndInstruction(LoopBeginInstruction *start); 87 private: 88 void do_evalue_liveness(LiverangeEvaluator& eval) const override; 89 bool is_equal_to(const Instruction& lhs) const override; 90 void do_print(std::ostream& os) const override; 91 LoopBeginInstruction *m_start; 92 }; 93 94 class LoopBreakInstruction: public CFInstruction { 95 public: 96 LoopBreakInstruction(); 97 private: 98 void do_evalue_liveness(LiverangeEvaluator& eval) const override; 99 bool is_equal_to(const Instruction& lhs) const override; 100 void do_print(std::ostream& os) const override; 101 }; 102 103 class LoopContInstruction: public CFInstruction { 104 public: 105 LoopContInstruction(); 106 private: 107 bool is_equal_to(const Instruction& lhs) const override; 108 void do_print(std::ostream& os) const override; 109 }; 110 111 } 112 113 #endif // SFN_IFELSEINSTRUCTION_H 114