[backend-O1-1]调整寄存器预着色逻辑

src/midend/Pass/Pass.cpp

@@ -181,19 +181,19 @@ void PassManager::runOptimizationPipeline(Module* moduleIR, IRBuilder* builderIR
         printPasses();
       }
       
-      // this->clearPasses();
-      // this->addPass(&LoopStrengthReduction::ID);
-      // this->run();
+      this->clearPasses();
+      this->addPass(&LoopStrengthReduction::ID);
+      this->run();
 
       if(DEBUG) {
         std::cout << "=== IR After Loop Normalization, and Strength Reduction Optimizations ===\n";
         printPasses();
       }
 
-      // // 全局强度削弱优化，包括代数优化和魔数除法
-      // this->clearPasses();
-      // this->addPass(&GlobalStrengthReduction::ID);
-      // this->run();
+      // 全局强度削弱优化，包括代数优化和魔数除法
+      this->clearPasses();
+      this->addPass(&GlobalStrengthReduction::ID);
+      this->run();
 
       if(DEBUG) {
         std::cout << "=== IR After Global Strength Reduction Optimizations ===\n";