src/gallium/drivers/r600/sfn/sfn_instruction_block.h

   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
  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 private:
  65         void do_evalue_liveness(LiverangeEvaluator& eval) const override;
  66         bool is_equal_to(const Instruction& lhs) const override;
  67         void do_print(std::ostream& os) const override;
  68
  69         std::vector<PInstruction> m_block;
  70
  71         unsigned m_block_number;
  72         unsigned m_nesting_depth;
  73 };
  74
  75 }
  76
  77 #endif // INSTRUCTIONBLOCK_H