[midend-mem2reg]dom增加访问支配树子节点求解和访问方法，修复block打印，phi指令命名，TODO：reg2membug待修复

src/include/Dom.h

@@ -16,17 +16,20 @@ public:
     const std::set<BasicBlock*>* getDominators(BasicBlock* BB) const;
     BasicBlock* getImmediateDominator(BasicBlock* BB) const;
     const std::set<BasicBlock*>* getDominanceFrontier(BasicBlock* BB) const;
+    const std::set<BasicBlock*>* getDominatorTreeChildren(BasicBlock* BB) const;
     const std::map<BasicBlock*, std::set<BasicBlock*>>& getDominatorsMap() const { return Dominators; }
     const std::map<BasicBlock*, BasicBlock*>& getIDomsMap() const { return IDoms; }
     const std::map<BasicBlock*, std::set<BasicBlock*>>& getDominanceFrontiersMap() const { return DominanceFrontiers; }
     void computeDominators(Function* F);
     void computeIDoms(Function* F);
     void computeDominanceFrontiers(Function* F);
+    void computeDominatorTreeChildren(Function* F);
 private:
     Function* AssociatedFunction;
     std::map<BasicBlock*, std::set<BasicBlock*>> Dominators;
     std::map<BasicBlock*, BasicBlock*> IDoms;
     std::map<BasicBlock*, std::set<BasicBlock*>> DominanceFrontiers;
+    std::map<BasicBlock*, std::set<BasicBlock*>> DominatorTreeChildren;
 };
 
 

src/include/IRBuilder.h

@@ -294,7 +294,16 @@ class IRBuilder {
     return inst;
   }  ///< 创建store指令
   PhiInst * createPhiInst(Type *type, const std::vector<Value*> &vals = {}, const std::vector<BasicBlock*> &blks = {}, const std::string &name = "") {
-    auto inst = new PhiInst(type, vals, blks, block, name);
+    std::string newName;
+    if (name.empty()) {
+      std::stringstream ss;
+      ss << tmpIndex;
+      newName = ss.str();
+      tmpIndex++;
+    } else {
+      newName = name;
+    }
+    auto inst = new PhiInst(type, vals, blks, block, newName);
     assert(inst);
     block->getInstructions().emplace(block->begin(), inst);
     return inst;

src/include/Pass.h

@@ -11,6 +11,8 @@
 #include "IR.h"
 #include "IRBuilder.h"
 
+extern int DEBUG; // 全局调试标志
+
 namespace sysy {
 
 //前向声明
@@ -149,6 +151,9 @@ public:
     }
     AnalysisPass *analysisPass = static_cast<AnalysisPass *>(basePass.get());
 
+    if(DEBUG){
+      std::cout << "Running Analysis Pass: " << analysisPass->getName() << "\n";
+    }
     // 根据分析遍的粒度处理
     switch (analysisPass->getGranularity()) {
       case Pass::Granularity::Module: {

src/include/SysYIRPrinter.h

@@ -22,6 +22,8 @@ public:
     static void printInst(Instruction *pInst);
     static void printType(Type *type);
     static void printValue(Value *value);
+    static void printBlock(BasicBlock *block);
+    static std::string getBlockName(BasicBlock *block);
     static std::string getOperandName(Value *operand);
     static std::string getTypeString(Type *type);
     static std::string getValueName(Value *value);