[backend]更改了commit顺序

src/backend/RISCv64/RISCv64Backend.cpp

@@ -188,13 +188,11 @@ std::string RISCv64CodeGen::module_gen() {
         ss << ".text\n";
         for (const auto& func_pair : module->getFunctions()) {
             if (func_pair.second.get() && !func_pair.second->getBasicBlocks().empty()) {
-                if (func_pair.second.get()->getName() == "param16") {foo=1; return std::string(AC::riscv_assembly_text);};
                 ss << function_gen(func_pair.second.get());
                 if (DEBUG) std::cerr << "Function: " << func_pair.first << " generated.\n";
             }
         }
     }
-    
     return ss.str();
 }
 
@@ -204,7 +202,6 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
     // 阶段 1: 指令选择 (sysy::IR -> LLIR with virtual registers)
     RISCv64ISel isel;
     std::unique_ptr<MachineFunction> mfunc = isel.runOnFunction(func);
-
     // 第一次调试打印输出
     std::stringstream ss_after_isel;
     RISCv64AsmPrinter printer_isel(mfunc.get());
@@ -241,18 +238,18 @@ std::string RISCv64CodeGen::function_gen(Function* func) {
 
     // 首先尝试图着色分配器
     if (DEBUG) std::cerr << "Attempting Register Allocation with Graph Coloring...\n";
-    if (!foo1) {
+    if (!gc_failed) {
         RISCv64RegAlloc gc_alloc(mfunc.get());
     
         bool success_gc = gc_alloc.run();
 
         if (!success_gc) {
+            gc_failed = 1; // 后续不再尝试图着色分配器
             std::cerr << "Warning: Graph coloring register allocation failed function '" 
                     << func->getName() 
                     << "'. Switching to Linear Scan allocator." 
                     << std::endl;
             
-            foo1 = 1;
             RISCv64ISel isel_gc_fallback;
             mfunc = isel_gc_fallback.runOnFunction(func);
             EliminateFrameIndicesPass efi_pass_gc_fallback;