diff --git a/src/midend/IR.cpp b/src/midend/IR.cpp
index b301d82..7879816 100644
--- a/src/midend/IR.cpp
+++ b/src/midend/IR.cpp
@@ -752,8 +752,12 @@ void BinaryInst::print(std::ostream &os) const {
   if (kind == kICmpEQ || kind == kICmpNE || kind == kICmpLT || 
       kind == kICmpGT || kind == kICmpLE || kind == kICmpGE) {
     // 整数比较指令 - 生成临时i1结果然后转换为i32
-    static int tmpCmpCounter = 0;
-    std::string tmpName = "tmp_icmp_" + std::to_string(++tmpCmpCounter);
+    // 使用指令地址和操作数地址的组合哈希来确保唯一性
+    auto inst_hash = std::hash<const void*>{}(static_cast<const void*>(this));
+    auto lhs_hash = std::hash<const void*>{}(static_cast<const void*>(getLhs()));
+    auto rhs_hash = std::hash<const void*>{}(static_cast<const void*>(getRhs()));
+    size_t combined_hash = inst_hash ^ (lhs_hash << 1) ^ (rhs_hash << 2);
+    std::string tmpName = "tmp_icmp_" + std::to_string(combined_hash % 1000000);
     os << "%" << tmpName << " = " << getKindString() << " " << *getLhs()->getType() << " ";
     printOperand(os, getLhs());
     os << ", ";
@@ -763,8 +767,12 @@ void BinaryInst::print(std::ostream &os) const {
   } else if (kind == kFCmpEQ || kind == kFCmpNE || kind == kFCmpLT || 
              kind == kFCmpGT || kind == kFCmpLE || kind == kFCmpGE) {
     // 浮点比较指令 - 生成临时i1结果然后转换为i32
-    static int tmpCmpCounter = 0;
-    std::string tmpName = "tmp_fcmp_" + std::to_string(++tmpCmpCounter);
+    // 使用指令地址和操作数地址的组合哈希来确保唯一性
+    auto inst_hash = std::hash<const void*>{}(static_cast<const void*>(this));
+    auto lhs_hash = std::hash<const void*>{}(static_cast<const void*>(getLhs()));
+    auto rhs_hash = std::hash<const void*>{}(static_cast<const void*>(getRhs()));
+    size_t combined_hash = inst_hash ^ (lhs_hash << 1) ^ (rhs_hash << 2);
+    std::string tmpName = "tmp_fcmp_" + std::to_string(combined_hash % 1000000);
     os << "%" << tmpName << " = " << getKindString() << " " << *getLhs()->getType() << " ";
     printOperand(os, getLhs());
     os << ", ";
@@ -799,15 +807,25 @@ void UncondBrInst::print(std::ostream &os) const {
 void CondBrInst::print(std::ostream &os) const {
   Value* condition = getCondition();
   
-  // 由于所有条件都是i32类型（包括比较结果），统一转换为i1
-  static int tmpCondCounter = 0;
+  // 使用多个因素的组合哈希来确保唯一性
   std::string condName = condition->getName();
   if (condName.empty()) {
-    condName = "const" + std::to_string(++tmpCondCounter);
+    // 使用条件值地址的哈希值作为唯一标识
+    auto ptr_hash = std::hash<const void*>{}(static_cast<const void*>(condition));
+    condName = "const_" + std::to_string(ptr_hash % 100000);
   }
-  os << "%tmp_cond_" << condName << " = icmp ne i32 ";
+  
+  // 组合指令地址、条件地址和目标块地址的哈希来确保唯一性
+  auto inst_hash = std::hash<const void*>{}(static_cast<const void*>(this));
+  auto cond_hash = std::hash<const void*>{}(static_cast<const void*>(condition));
+  auto then_hash = std::hash<const void*>{}(static_cast<const void*>(getThenBlock()));
+  auto else_hash = std::hash<const void*>{}(static_cast<const void*>(getElseBlock()));
+  size_t combined_hash = inst_hash ^ (cond_hash << 1) ^ (then_hash << 2) ^ (else_hash << 3);
+  std::string uniqueSuffix = std::to_string(combined_hash % 1000000);
+  
+  os << "%tmp_cond_" << condName << "_" << uniqueSuffix << " = icmp ne i32 ";
   printOperand(os, condition);
-  os << ", 0\n  br i1 %tmp_cond_" << condName;
+  os << ", 0\n  br i1 %tmp_cond_" << condName << "_" << uniqueSuffix;
   
   os << ", label %";
   printBlockName(os, getThenBlock());