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 28 #ifndef sfn_instruction_block_h 29 #define sfn_instruction_block_h 30 31 #include "sfn_instruction_base.h" 32 33 namespace r600 { 34 35 class InstructionBlock : public Instruction 36 { 37 public: 38 InstructionBlock(unsigned nesting_depth, unsigned block_number); 39 40 void emit(PInstruction instr); 41 42 begin()43 std::vector<PInstruction>::const_iterator begin() const { 44 return m_block.begin(); 45 } end()46 std::vector<PInstruction>::const_iterator end() const { 47 return m_block.end(); 48 } 49 50 void remap_registers(ValueRemapper& map); 51 size()52 size_t size() const { 53 return m_block.size(); 54 } 55 56 const PInstruction& operator [] (int i) const { 57 return m_block[i]; 58 } 59 number()60 unsigned number() const { 61 return m_block_number; 62 } 63 64 PInstruction last_instruction(); 65 accept(InstructionVisitor & visitor)66 bool accept(InstructionVisitor& visitor) override {return visitor.visit(*this);} accept(ConstInstructionVisitor & visitor)67 bool accept(ConstInstructionVisitor& visitor) const override {return visitor.visit(*this);} 68 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 std::vector<PInstruction> m_block; 75 76 unsigned m_block_number; 77 unsigned m_nesting_depth; 78 }; 79 80 } 81 82 #endif // INSTRUCTIONBLOCK_H 83