/**
 ******************************************************************************
 * Xenia : Xbox 360 Emulator Research Project                                 *
 ******************************************************************************
 * Copyright 2013 Ben Vanik. All rights reserved.                             *
 * Released under the BSD license - see LICENSE in the root for more details. *
 ******************************************************************************
 */

#ifndef XENIA_CPU_HIR_INSTR_H_
#define XENIA_CPU_HIR_INSTR_H_

#include "xenia/cpu/hir/opcodes.h"
#include "xenia/cpu/hir/value.h"

namespace xe {
namespace cpu {
class Function;
}  // namespace cpu
}  // namespace xe

namespace xe {
namespace cpu {
namespace hir {

class Block;
class Label;

class Instr {
 public:
  Block* block;
  Instr* next;
  Instr* prev;

  const OpcodeInfo* opcode;
  uint16_t flags;
  uint32_t ordinal;

  typedef union {
    Function* symbol;
    Label* label;
    Value* value;
    uint64_t offset;
  } Op;

  Value* dest;
  Op src1;
  Op src2;
  Op src3;

  Value::Use* src1_use;
  Value::Use* src2_use;
  Value::Use* src3_use;

  void set_src1(Value* value);
  void set_src2(Value* value);
  void set_src3(Value* value);

  void MoveBefore(Instr* other);
  void Replace(const OpcodeInfo* new_opcode, uint16_t new_flags);
  void Remove();
};

}  // namespace hir
}  // namespace cpu
}  // namespace xe

#endif  // XENIA_CPU_HIR_INSTR_H_