From 9d619b11d7c4aacaebc654d33488d0eb08c36b97 Mon Sep 17 00:00:00 2001
From: ladev789 <xlwmail@nudt.edu.cn>
Date: Mon, 31 Mar 2025 20:46:04 +0800
Subject: [PATCH] [lab2]checkopint with "while, continue, break" not
 implemented

---
 src/SysYIRGenerator.cpp | 2 +-
 src/SysYIRGenerator.h   | 8 +++++---
 test/10_test.sy         | 2 +-
 test/11_add2.sy         | 2 +-
 4 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/SysYIRGenerator.cpp b/src/SysYIRGenerator.cpp
index 9077eee..9974771 100644
--- a/src/SysYIRGenerator.cpp
+++ b/src/SysYIRGenerator.cpp
@@ -264,7 +264,7 @@ std::any SysYIRGenerator::visitUnaryExp(SysYParser::UnaryExpContext* ctx) {
         std::string argList = "";
         for (size_t i = 0; i < args.size(); ++i) {
             if (i > 0) argList += ", ";
-            argList += args[i];
+            argList +=tmpTable[args[i]] + " noundef " + args[i];
         }
         irStream << "  " << temp << " = call " << currentReturnType << " @" << funcName << "(" << argList << ")\n";
         tmpTable[temp] = currentReturnType;
diff --git a/src/SysYIRGenerator.h b/src/SysYIRGenerator.h
index 3e07914..8608cc2 100644
--- a/src/SysYIRGenerator.h
+++ b/src/SysYIRGenerator.h
@@ -23,9 +23,11 @@ private:
     std::vector<std::string> breakStack;
     std::vector<std::string> continueStack;
     bool hasReturn = false;
-    std::stack<std::string> loopEndStack;
-    std::stack<std::string> loopCondStack;
-
+    struct LoopLabels {
+        std::string breakLabel;
+        std::string continueLabel;
+    };
+    std::stack<LoopLabels> loopStack; // 用于管理循环的break和continue标签
     std::string getNextTemp();
     std::string getLLVMType(const std::string& type);
     
diff --git a/test/10_test.sy b/test/10_test.sy
index bf84af2..cadb6da 100644
--- a/test/10_test.sy
+++ b/test/10_test.sy
@@ -1,7 +1,7 @@
 //test file for backend lab
 
 int main() {
-  int a;
+  int a = 1;
   const int b = 2;
   int c;
   
diff --git a/test/11_add2.sy b/test/11_add2.sy
index c783a32..7d3ff7f 100644
--- a/test/11_add2.sy
+++ b/test/11_add2.sy
@@ -7,7 +7,7 @@ int mul(int x, int y) {
 int main(){
     int a, b;
     a = 10;
-    b = 0;
+    b = 3;
     a = mul(a, b);
     return a + b;
 }