follow update

.clang-format

@@ -6,7 +6,7 @@ AlwaysBreakTemplateDeclarations: true
 BinPackArguments: false
 BinPackParameters: false
 BreakConstructorInitializers: BeforeComma
-ColumnLimit: 120
+ColumnLimit: 80
 CommentPragmas: '^(!|NOLINT)'
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
 IncludeBlocks: Regroup
@@ -23,4 +23,5 @@ PenaltyReturnTypeOnItsOwnLine: 200
 SpacesBeforeTrailingComments: 1
 TabWidth: 4
 UseTab: Never
+AlwaysBreakAfterReturnType: TopLevelDefinitions
 ...

include/lightir/Instruction.h

@@ -56,6 +56,7 @@ class Instruction : public User, public llvm::ilist_node<Instruction>
     Module   *get_module();
 
     OpID get_instr_type() const { return op_id_; }
+    // clang-format off
     static std::string get_instr_op_name(OpID id) {
         switch (id) {
         case ret: return "ret"; break;
@@ -79,12 +80,10 @@ class Instruction : public User, public llvm::ilist_node<Instruction>
         case zext: return "zext"; break;
         case fptosi: return "fptosi"; break;
         case sitofp: return "sitofp"; break;
-
-            default:
-                return "";
-                break;
+        default: return ""; break;
         }
     }
+    // clang-format on
     std::string get_instr_op_name() { return get_instr_op_name(op_id_); }
 
     bool is_void()

include/optimization/GVN.h

@@ -159,6 +159,7 @@ class GVN : public Pass {
     partitions join(const partitions &P1, const partitions &P2);
     std::shared_ptr<CongruenceClass> intersect(std::shared_ptr<CongruenceClass>, std::shared_ptr<CongruenceClass>);
     partitions transferFunction(Instruction *x, Value *e, partitions pin);
+    partitions transferFunction(BasicBlock *bb);
     std::shared_ptr<GVNExpression::PhiExpression> valuePhiFunc(std::shared_ptr<GVNExpression::Expression>,
                                                                const partitions &);
     std::shared_ptr<GVNExpression::Expression> valueExpr(Instruction *instr);
@@ -176,6 +177,10 @@ class GVN : public Pass {
         return std::make_shared<CongruenceClass>(index);
     }
 
+    // self add
+    //
+    std::uint64_t new_number() { return next_value_number_++; }
+
   private:
     bool dump_json_;
     std::uint64_t next_value_number_ = 1;
@@ -184,6 +189,9 @@ class GVN : public Pass {
     std::unique_ptr<FuncInfo> func_info_;
     std::unique_ptr<GVNExpression::ConstFolder> folder_;
     std::unique_ptr<DeadCode> dce_;
+
+    // self add
+    std::map<Instruction*, bool> _TOP;
 };
 
 bool operator==(const GVN::partitions &p1, const GVN::partitions &p2);

src/optimization/.gitignore

+todo