From 233c1632714e8699bfc066702d0b0d3cc2754888 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E6=99=AF=E6=84=89?= <776459475@qq.com>
Date: Mon, 1 Jun 2026 16:00:00 +0800
Subject: [PATCH] Lab6: fix performance test freeze by only zero-initializing
 local variables with initializers

---
 scripts/run_all_tests.sh | 4 ++--
 src/irgen/IRGenDecl.cpp  | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 scripts/run_all_tests.sh

diff --git a/scripts/run_all_tests.sh b/scripts/run_all_tests.sh
old mode 100644
new mode 100755
index 25b7604..9219ca1
--- a/scripts/run_all_tests.sh
+++ b/scripts/run_all_tests.sh
@@ -2,8 +2,8 @@
 
 # 批量测试所有.sy文件的语法解析
 
-test_dir="/home/lingli/nudt-compiler-cpp/test/test_case"
-compiler="/home/lingli/nudt-compiler-cpp/build/bin/compiler"
+test_dir="$(pwd)/test/test_case"
+compiler="$(pwd)/build/bin/compiler"
 
 if [ ! -f "$compiler" ]; then
     echo "错误：编译器不存在，请先构建项目"
diff --git a/src/irgen/IRGenDecl.cpp b/src/irgen/IRGenDecl.cpp
index 0438372..e59f170 100644
--- a/src/irgen/IRGenDecl.cpp
+++ b/src/irgen/IRGenDecl.cpp
@@ -208,8 +208,10 @@ std::any IRGenImpl::visitVarDef(SysYParser::VarDefContext* ctx) {
     slot = module_.CreateGlobalValue(name, StorageType(ty), init);
   } else {
     slot = builder_.CreateAlloca(StorageType(ty), name);
-    ZeroInitializeLocal(slot, ty);
-    if (ctx->initValue()) EmitLocalInitValue(slot, ty, ctx->initValue());
+    if (ctx->initValue()) {
+      ZeroInitializeLocal(slot, ty);
+      EmitLocalInitValue(slot, ty, ctx->initValue());
+    }
   }
 
   storage_map_[ctx] = slot;