From f99805bf13cc0b91006baf725ae38109e804669a Mon Sep 17 00:00:00 2001
From: Lixuanwang <xlwmail@nudt.edu.cn>
Date: Wed, 20 Aug 2025 12:03:53 +0800
Subject: [PATCH] =?UTF-8?q?[deploy]=E7=A6=81=E7=94=A8=E5=90=8E=E7=AB=AFSim?=
 =?UTF-8?q?pleRegAlloc?=
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---
 src/backend/RISCv64/RISCv64Backend.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/backend/RISCv64/RISCv64Backend.cpp b/src/backend/RISCv64/RISCv64Backend.cpp
index 57fb690..1b93ef5 100644
--- a/src/backend/RISCv64/RISCv64Backend.cpp
+++ b/src/backend/RISCv64/RISCv64Backend.cpp
@@ -268,7 +268,6 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
 
     // 阶段 3: 物理寄存器分配 (Register Allocation)
     bool allocation_succeeded = false;
-
     // 尝试迭代图着色 (IRC)
     if (!irc_failed) {
         if (DEBUG) std::cerr << "Attempting Register Allocation with Iterated Register Coloring (IRC)...\n";        
@@ -308,6 +307,9 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
     
     // 尝试简单图着色 (SGC) 
     if (!allocation_succeeded) {
+        if (optLevel > 0) {
+            exit(-1);
+        }
         // 如果是从IRC失败回退过来的，需要重新创建干净的mfunc和ISel
         RISCv64ISel isel_for_sgc;
         if (irc_failed) {