Lab6: Implement DominatorTree-based natural loop discovery and loop-invariant code motion hoisting pass

include/ir/PassManager.h

@@ -39,6 +39,7 @@ bool RunConstFold(Function* func, Context& ctx);
 bool RunDCE(Function* func);
 bool RunCFGSimplify(Function* func);
 bool RunCSE(Function* func);
+bool RunLICM(Function* func);
 
 // Run the optimization pipeline on a Function or Module
 void RunOptimizationPasses(Module& module);