add memory coalescing pass

better reports
refactor for more code-reuse and patter usage
fixes

src/PIM/Pass/PimCodegen/MaterializeHostConstantsPass.cpp

@@ -164,7 +164,7 @@ struct MaterializeHostConstantsPass : PassWrapper<MaterializeHostConstantsPass,
       return;
     }
 
-    dumpModule(moduleOp, "pim3_materialized");
+    dumpModule(moduleOp, "pim4_materialized");
   }
 };