From 363ead0dddb5dba6c32255808c74dbdd64b1fdf7 Mon Sep 17 00:00:00 2001
From: rain2133 <1370973498@qq.com>
Date: Tue, 19 Aug 2025 20:01:33 +0800
Subject: [PATCH] =?UTF-8?q?[backend-O1]=E4=BF=AE=E5=A4=8D=E8=AE=A1?=
 =?UTF-8?q?=E6=97=B6=E5=87=BD=E6=95=B0=E5=91=BD=E5=90=8D=E9=94=99=E8=AF=AF?=
 =?UTF-8?q?=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 src/include/midend/SysYIRGenerator.h |  1 +
 src/midend/SysYIRGenerator.cpp       | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/include/midend/SysYIRGenerator.h b/src/include/midend/SysYIRGenerator.h
index b4d4e57..70fca7f 100644
--- a/src/include/midend/SysYIRGenerator.h
+++ b/src/include/midend/SysYIRGenerator.h
@@ -51,6 +51,7 @@ public:
                          Module *pModule, IRBuilder *pBuilder);
 
   static void initExternalFunction(Module *pModule, IRBuilder *pBuilder);
+  static void modify_timefuncname(Module *pModule);
 };
 
 class SysYIRGenerator : public SysYBaseVisitor {
diff --git a/src/midend/SysYIRGenerator.cpp b/src/midend/SysYIRGenerator.cpp
index b2a52be..e6840a0 100644
--- a/src/midend/SysYIRGenerator.cpp
+++ b/src/midend/SysYIRGenerator.cpp
@@ -674,6 +674,8 @@ std::any SysYIRGenerator::visitCompUnit(SysYParser::CompUnitContext *ctx) {
   pModule->enterNewScope();
   visitChildren(ctx);
   pModule->leaveScope();
+
+  Utils::modify_timefuncname(pModule);
   return pModule;
 }
 
@@ -2403,4 +2405,12 @@ void Utils::initExternalFunction(Module *pModule, IRBuilder *pBuilder) {
 
 }
 
+void Utils::modify_timefuncname(Module *pModule){
+  auto starttimeFunc = pModule->getExternalFunction("starttime");
+  auto stoptimeFunc = pModule->getExternalFunction("stoptime");
+  starttimeFunc->setName("_sysy_starttime");
+  stoptimeFunc->setName("_sysy_stoptime");
+
+}
+
 } // namespace sysy
\ No newline at end of file