add memory coalescing pass

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

src/PIM/Compiler/PimCompilerUtils.cpp

@@ -41,6 +41,7 @@ void addPassesPim(OwningOpRef<ModuleOp>& module,
 
   if (pimEmissionTarget >= EmitPimBufferized) {
     pm.addPass(createPimBufferizationPass());
+    pm.addPass(createPimStaticMemoryCoalescingPass());
     // pm.addPass(createCountInstructionPass());
     pm.addPass(createMessagePass("Pim bufferized"));
   }