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
33namespace r600 {
34
35class InstructionBlock : public Instruction
36{
37public:
38	InstructionBlock(unsigned nesting_depth, unsigned block_number);
39
40        void emit(PInstruction instr);
41
42
43        std::vector<PInstruction>::const_iterator begin() const  {
44           return m_block.begin();
45        }
46        std::vector<PInstruction>::const_iterator end() const {
47           return m_block.end();
48        }
49
50        void remap_registers(ValueRemapper& map);
51
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
60        unsigned number() const  {
61           return m_block_number;
62        }
63
64        PInstruction last_instruction();
65
66        bool accept(InstructionVisitor& visitor) override {return visitor.visit(*this);}
67        bool accept(ConstInstructionVisitor& visitor) const override {return visitor.visit(*this);}
68
69private:
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