[midend-Alias]应用别名分析结果，sccp现在能简单传播数组元素了

src/include/midend/Pass/Analysis/AliasAnalysis.h

@@ -186,6 +186,7 @@ private:
   // ========== 别名关系推断 ==========
   
   AliasType analyzeAliasBetween(MemoryLocation* loc1, MemoryLocation* loc2);
+  AliasType compareIndices(MemoryLocation* loc1, MemoryLocation* loc2);
   AliasType compareLocalArrays(MemoryLocation* loc1, MemoryLocation* loc2);
   AliasType compareParameters(MemoryLocation* loc1, MemoryLocation* loc2);
   AliasType compareWithGlobal(MemoryLocation* loc1, MemoryLocation* loc2);