[midend-LoopAnalysis]为项目添加别名分析遍，副作用分析遍，循环分析遍，循环特征分析遍

src/midend/CMakeLists.txt

@@ -7,6 +7,9 @@ add_library(midend_lib STATIC
     Pass/Analysis/Dom.cpp
     Pass/Analysis/Liveness.cpp
     Pass/Analysis/Loop.cpp
+    Pass/Analysis/LoopCharacteristics.cpp
+    Pass/Analysis/AliasAnalysis.cpp
+    Pass/Analysis/SideEffectAnalysis.cpp
     Pass/Optimize/DCE.cpp
     Pass/Optimize/Mem2Reg.cpp
     Pass/Optimize/Reg2Mem.cpp