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86 lines
2.6 KiB
86 lines
2.6 KiB
#ifndef _SYSYF_BASICBLOCK_H_
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#define _SYSYF_BASICBLOCK_H_
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#include "Value.h"
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#include "Instruction.h"
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#include "Module.h"
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#include "Function.h"
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#include <list>
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#include <set>
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#include <string>
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namespace SysYF
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{
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namespace IR
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{
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class Function;
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class Instruction;
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class Module;
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class BasicBlock : public Value
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{
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public:
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static Ptr<BasicBlock> create(Ptr<Module> m, const std::string &name ,
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Ptr<Function> parent ) {
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auto prefix = name.empty() ? "" : "label_";
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RET_AFTER_INIT(BasicBlock, m, prefix + name, parent);
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}
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// return parent, or null if none.
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Ptr<Function> get_parent() { return parent_; }
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Ptr<Module> get_module();
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/****************api about cfg****************/
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PtrList<BasicBlock> &get_pre_basic_blocks() { return pre_bbs_; }
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PtrList<BasicBlock> &get_succ_basic_blocks() { return succ_bbs_; }
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void add_pre_basic_block(Ptr<BasicBlock> bb) { pre_bbs_.push_back(bb); }
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void add_succ_basic_block(Ptr<BasicBlock> bb) { succ_bbs_.push_back(bb); }
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void remove_pre_basic_block(Ptr<BasicBlock> bb) { pre_bbs_.remove(bb); }
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void remove_succ_basic_block(Ptr<BasicBlock> bb) { succ_bbs_.remove(bb); }
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/****************api about cfg****************/
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/// Returns the terminator instruction if the block is well formed or null
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/// if the block is not well formed.
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const Ptr<Instruction> get_terminator() const;
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Ptr<Instruction> get_terminator() {
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return const_pointer_cast<Instruction>(
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static_pointer_cast<const BasicBlock>(shared_from_this())->get_terminator());
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}
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void add_instruction(Ptr<Instruction> instr);
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void add_instruction(PtrList<Instruction>::iterator instr_pos, Ptr<Instruction> instr);
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void add_instr_begin(Ptr<Instruction> instr);
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PtrList<Instruction>::iterator find_instruction(Ptr<Instruction> instr);
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void delete_instr(Ptr<Instruction> instr);
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bool empty() { return instr_list_.empty(); }
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int get_num_of_instr() { return instr_list_.size(); }
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PtrList<Instruction> &get_instructions() { return instr_list_; }
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void erase_from_parent();
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virtual std::string print() override;
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private:
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explicit BasicBlock(Ptr<Module> m, const std::string &name ,
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Ptr<Function> parent );
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void init(Ptr<Module> m, const std::string &name ,
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Ptr<Function> parent );
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PtrList<BasicBlock> pre_bbs_;
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PtrList<BasicBlock> succ_bbs_;
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PtrList<Instruction> instr_list_;
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Ptr<Function> parent_;
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};
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}
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}
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#endif // _SYSYF_BASICBLOCK_H_
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