diff --git a/src/PIM/Common/PIMCommon.cpp b/src/PIM/Common/PIMCommon.cpp
index f858003..ada0745 100644
--- a/src/PIM/Common/PIMCommon.cpp
+++ b/src/PIM/Common/PIMCommon.cpp
@@ -1,17 +1,40 @@
+#include "llvm/Support/raw_os_ostream.h"
+
+#include <filesystem>
+#include <fstream>
+
 #include "src/Accelerators/PIM/Common/PIMCommon.hpp"
 #include "src/Accelerators/PIM/Dialect/Spatial/SpatialOps.hpp"
+#include "src/Compiler/CompilerOptions.hpp"
 
 using namespace mlir;
 
 namespace onnx_mlir {
 
-llvm::FailureOr<Operation *> getOtherEndOfChannel(
-    Operation *op, bool opIsReceive, RewriterBase &rewriter) {
+std::string getOutputDir() { return outputBaseName.substr(0, outputBaseName.find_last_of('/')); }
+
+void createDirectory(const std::string& directory) {
+  std::error_code errorCode;
+  std::filesystem::create_directories(directory, errorCode);
+  assert(!errorCode && ("Failed to create directory: " + errorCode.message()).data());
+}
+
+void dumpModule(ModuleOp moduleOp, const std::string& name) {
+  std::string dialectsDir = getOutputDir() + "/dialects";
+  createDirectory(dialectsDir);
+
+  std::fstream file(dialectsDir + "/" + name + ".mlir", std::ios::out);
+  llvm::raw_os_ostream os(file);
+  os << *moduleOp;
+  os.flush();
+  file.close();
+}
+
+FailureOr<Operation*> getOtherEndOfChannel(Operation* op, bool opIsReceive, RewriterBase& rewriter) {
 
   auto channelNewOp = op->getOperand(0).getDefiningOp<spatial::SpatChannelNewOp>();
   if (!channelNewOp) {
-    op->emitError(
-        "User of Channel must have the first operand created by ChannelNewOp.");
+    op->emitError("User of Channel must have the first operand created by ChannelNewOp.");
     return failure();
   }
   // channelNewOp should have two users: `op` and a
@@ -35,12 +58,14 @@ llvm::FailureOr<Operation *> getOtherEndOfChannel(
                   "more than two found.");
     return failure();
   }
-  Operation *notOpUser;
+  Operation* notOpUser;
   if (firstUser == op) {
     notOpUser = secondUser;
-  } else if (secondUser == op) {
+  }
+  else if (secondUser == op) {
     notOpUser = firstUser;
-  } else {
+  }
+  else {
     op->emitError("Operand generated by ChannelNewOp must have two users, "
                   "and one of them must be me, but"
                   "none of them is actually me.");
@@ -54,7 +79,8 @@ llvm::FailureOr<Operation *> getOtherEndOfChannel(
       return failure();
     }
     return notOpUser;
-  } else {
+  }
+  else {
     if (!isa<spatial::SpatChannelReceiveOp>(notOpUser)) {
       op->emitError("Operand generated by ChannelNewOp has two user, one is "
                     "me, the other is not a ChannelReceiveOp.");
@@ -64,4 +90,4 @@ llvm::FailureOr<Operation *> getOtherEndOfChannel(
   }
 }
 
-} // namespace onnx_mlir
\ No newline at end of file
+} // namespace onnx_mlir
diff --git a/src/PIM/Common/PIMCommon.hpp b/src/PIM/Common/PIMCommon.hpp
index 2ae0e30..fac20a6 100644
--- a/src/PIM/Common/PIMCommon.hpp
+++ b/src/PIM/Common/PIMCommon.hpp
@@ -3,14 +3,22 @@
 #include "mlir/IR/Operation.h"
 #include "mlir/IR/PatternMatch.h"
 #include "mlir/IR/Value.h"
+
 #include "llvm/ADT/StringRef.h"
 
-const llvm::StringRef PIM_CONSTANT_SHOULD_ALLOCATE_ATTR_NAME =
-    "pim.constant.should_allocate";
+#include "src/Compiler/CompilerOptions.hpp"
+
+const llvm::StringRef PIM_CONSTANT_SHOULD_ALLOCATE_ATTR_NAME = "pim.constant.should_allocate";
 
 namespace onnx_mlir {
 
-llvm::FailureOr<mlir::Operation *> getOtherEndOfChannel(
-    mlir::Operation *op, bool opIsReceive, mlir::RewriterBase &rewriter);
+std::string getOutputDir();
 
-} // namespace onnx_mlir
\ No newline at end of file
+void createDirectory(const std::string &directory);
+
+void dumpModule(mlir::ModuleOp moduleOp, const std::string &name);
+
+llvm::FailureOr<mlir::Operation*>
+getOtherEndOfChannel(mlir::Operation* op, bool opIsReceive, mlir::RewriterBase& rewriter);
+
+} // namespace onnx_mlir
diff --git a/src/PIM/Compiler/PimCodeGen.cpp b/src/PIM/Compiler/PimCodeGen.cpp
index 605028e..cecccd9 100644
--- a/src/PIM/Compiler/PimCodeGen.cpp
+++ b/src/PIM/Compiler/PimCodeGen.cpp
@@ -433,14 +433,7 @@ std::string getMemorySizeAsString(size_t size) {
   return std::to_string(size) + " Bytes";
 }
 
-OnnxMlirCompilerErrorCodes compileModuleToPIMJSON(const OwningOpRef<ModuleOp>& moduleOpRef, std::string& outputDirPath) {
-  ModuleOp moduleOp = moduleOpRef.get();
-
-  if (pimEmissionTarget != EmitPimCodegen) {
-    moduleOp.dump();
-    return CompilerSuccess;
-  }
-
+OnnxMlirCompilerErrorCodes compileModuleToPIMJSON(ModuleOp& moduleOp, std::string& outputDirPath) {
   if (!outputDirPath.empty()) {
     if (auto error = llvm::sys::fs::create_directory(outputDirPath)) {
       llvm::errs() << "Error creating output directory: " << outputDirPath << ": " << error.message() << '\n';
@@ -696,8 +689,6 @@ OnnxMlirCompilerErrorCodes compileModuleToPIMJSON(const OwningOpRef<ModuleOp>& m
   jsonOS << llvm::json::Value(std::move(configJson)) << '\n';
   jsonOS.close();
 
-  showCompilePhase("Code generated into " + configPath);
-
   return CompilerSuccess;
 }
 
diff --git a/src/PIM/Compiler/PimCodeGen.hpp b/src/PIM/Compiler/PimCodeGen.hpp
index b6cc382..70de763 100644
--- a/src/PIM/Compiler/PimCodeGen.hpp
+++ b/src/PIM/Compiler/PimCodeGen.hpp
@@ -36,7 +36,7 @@ public:
   void allocateCore(Operation* op);
 
   size_t getFirstAvailableAddress() const { return firstAvailableAddress; }
-  MemEntry getMemEntry(Value value) const ;
+  MemEntry getMemEntry(Value value) const;
 };
 
 class PimAcceleratorMemory {
diff --git a/src/PIM/Compiler/PimCompilerOptions.cpp b/src/PIM/Compiler/PimCompilerOptions.cpp
index 695b0a2..e13af09 100644
--- a/src/PIM/Compiler/PimCompilerOptions.cpp
+++ b/src/PIM/Compiler/PimCompilerOptions.cpp
@@ -17,11 +17,6 @@
 
 namespace onnx_mlir {
 
-llvm::cl::opt<std::string> pimOutputDir("pim-output-dir",
-                                        llvm::cl::desc("Directory where pim json code will be emitted"),
-                                        llvm::cl::init("pim"),
-                                        llvm::cl::cat(OnnxMlirOptions));
-
 llvm::cl::opt<PimEmissionTargetType> pimEmissionTarget(
   llvm::cl::desc("[Optional] Choose PIM-related target to emit (once selected it will cancel the other targets):"),
   llvm::cl::values(clEnumVal(EmitSpatial, "Lower model to spatial IR")),
diff --git a/src/PIM/Compiler/PimCompilerOptions.hpp b/src/PIM/Compiler/PimCompilerOptions.hpp
index 053b625..cd95654 100644
--- a/src/PIM/Compiler/PimCompilerOptions.hpp
+++ b/src/PIM/Compiler/PimCompilerOptions.hpp
@@ -21,7 +21,6 @@ typedef enum {
 } PimEmissionTargetType;
 
 extern llvm::cl::OptionCategory OnnxMlirOptions;
-extern llvm::cl::opt<std::string> pimOutputDir;
 extern llvm::cl::opt<PimEmissionTargetType> pimEmissionTarget;
 
 extern llvm::cl::opt<bool> pimOnlyCodegen;
diff --git a/src/PIM/Compiler/PimCompilerUtils.cpp b/src/PIM/Compiler/PimCompilerUtils.cpp
index 6186bd4..c41b6ad 100644
--- a/src/PIM/Compiler/PimCompilerUtils.cpp
+++ b/src/PIM/Compiler/PimCompilerUtils.cpp
@@ -1,18 +1,11 @@
-#include "mlir/Dialect/Bufferization/IR/BufferizableOpInterface.h"
-#include "mlir/Dialect/Bufferization/Transforms/BufferViewFlowAnalysis.h"
-#include "mlir/Dialect/MemRef/IR/MemRef.h"
-#include "mlir/IR/BuiltinTypes.h"
 #include "mlir/Transforms/Passes.h"
+
 #include "src/Accelerators/PIM/Compiler/PimCompilerOptions.hpp"
 #include "src/Accelerators/PIM/Compiler/PimCompilerUtils.hpp"
 #include "src/Accelerators/PIM/Dialect/PIM/PimOps.hpp"
 #include "src/Accelerators/PIM/Pass/PimPasses.hpp"
 #include "src/Compiler/CompilerPasses.hpp"
-
-#include "llvm/Support/JSON.h"
-
-#include <cassert>
-#include <cstddef>
+#include "src/Compiler/CompilerUtils.hpp"
 
 #define DEBUG_TYPE "PimCompilerUtils"
 
@@ -37,19 +30,25 @@ void addPassesPim(OwningOpRef<ModuleOp>& module,
   if (pimEmissionTarget >= EmitSpatial) {
     pm.addPass(createONNXToSpatialPass());
     // pm.addPass(createCountInstructionPass());
-    pm.addPass(createMessagePass("ONNX lowered to SPATIAL"));
+    pm.addPass(createMessagePass("Onnx lowered to Spatial"));
   }
 
   if (pimEmissionTarget >= EmitPim) {
     pm.addPass(createSpatialToPIMPass());
     // pm.addPass(createCountInstructionPass());
-    pm.addPass(createMessagePass("SPATIAL lowered to PIM"));
+    pm.addPass(createMessagePass("Spatial lowered to Pim"));
   }
 
   if (pimEmissionTarget >= EmitPimBufferized) {
     pm.addPass(createBufferizePimPass());
     // pm.addPass(createCountInstructionPass());
-    pm.addPass(createMessagePass("PIM bufferized"));
+    pm.addPass(createMessagePass("Pim bufferized"));
+  }
+
+  if (pimEmissionTarget >= EmitPimCodegen) {
+    pm.addPass(createEmitPimJsonPass());
+    // pm.addPass(createCountInstructionPass());
+    pm.addPass(createMessagePass("Pim json code emitted"));
   }
 }
 
diff --git a/src/PIM/Compiler/PimCompilerUtils.hpp b/src/PIM/Compiler/PimCompilerUtils.hpp
index 077d566..55a5369 100644
--- a/src/PIM/Compiler/PimCompilerUtils.hpp
+++ b/src/PIM/Compiler/PimCompilerUtils.hpp
@@ -13,7 +13,6 @@ void addPassesPim(mlir::OwningOpRef<mlir::ModuleOp>& module,
                   EmissionTargetType& emissionTarget,
                   std::string outputNameNoExt);
 
-OnnxMlirCompilerErrorCodes compileModuleToPIMJSON(const mlir::OwningOpRef<mlir::ModuleOp>& moduleOpRef,
-                                                  std::string& outputDirName);
+OnnxMlirCompilerErrorCodes compileModuleToPIMJSON(mlir::ModuleOp& moduleOpRef, std::string& outputDirName);
 
 } // namespace onnx_mlir
diff --git a/src/PIM/Conversion/ONNXToSpatial/ONNXToSpatialPass.cpp b/src/PIM/Conversion/ONNXToSpatial/ONNXToSpatialPass.cpp
index ed22fbe..0981380 100644
--- a/src/PIM/Conversion/ONNXToSpatial/ONNXToSpatialPass.cpp
+++ b/src/PIM/Conversion/ONNXToSpatial/ONNXToSpatialPass.cpp
@@ -9,6 +9,7 @@
 #include <filesystem>
 #include <fstream>
 
+#include "Common/PIMCommon.hpp"
 #include "Conversion/ONNXToSpatial/Utils/AnnotateReplication.hpp"
 #include "ONNXToSpatialPass.hpp"
 #include "src/Accelerators/PIM/Compiler/PimCompilerOptions.hpp"
@@ -27,7 +28,7 @@ namespace spatial {
 void ONNXToSpatialPass::runOnOperation() {
   llvm::dbgs() << "Running ONNXToSpatialLoweringPass\n";
 
-  ModuleOp module = getOperation();
+  ModuleOp moduleOp = getOperation();
   MLIRContext* ctx = &getContext();
 
   RewritePatternSet mergeActivationPatterns(ctx);
@@ -38,11 +39,11 @@ void ONNXToSpatialPass::runOnOperation() {
   mergeActivationPatterns.add<matMulToGemmPattern>(ctx);
   mergeActivationPatterns.add<removeFlattenSameShapePattern>(ctx);
 
-  if (failed(applyPatternsAndFoldGreedily(module, std::move(mergeActivationPatterns))))
+  if (failed(applyPatternsAndFoldGreedily(moduleOp, std::move(mergeActivationPatterns))))
     llvm::dbgs() << "Failed to merge activation patterns, continuing...\n";
 
-  IRRewriter rewriter(module);
-  func::FuncOp funcOp = *module.getOps<func::FuncOp>().begin();
+  IRRewriter rewriter(moduleOp);
+  func::FuncOp funcOp = *moduleOp.getOps<func::FuncOp>().begin();
   if (annotateReplication(funcOp, rewriter).failed()) {
     llvm::dbgs() << "Failed during annotation for replication analysis\n";
     signalPassFailure();
@@ -78,7 +79,7 @@ void ONNXToSpatialPass::runOnOperation() {
   populateONNXConcatToTensorConcatPattern(patterns, ctx);
   populateReduceMeanConversionPattern(patterns, ctx);
 
-  if (failed(applyPartialConversion(module, target, std::move(patterns)))) {
+  if (failed(applyPartialConversion(moduleOp, target, std::move(patterns)))) {
     signalPassFailure();
     return;
   }
@@ -101,19 +102,13 @@ void ONNXToSpatialPass::runOnOperation() {
   RewritePatternSet removeUnusedHelperOpsPatterns(ctx);
   populateRemoveUnusedHelperOpsPatterns(removeUnusedHelperOpsPatterns, ctx);
 
-  if (failed(applyPatternsAndFoldGreedily(module, std::move(removeUnusedHelperOpsPatterns))))
+  if (failed(applyPatternsGreedily(moduleOp, std::move(removeUnusedHelperOpsPatterns))))
     llvm::dbgs() << "Failed to remove unused helper ops, continuing...\n";
 
   annotateWeightsConstants(funcOp);
 
   // Dump to file for debug
-  std::string outputDir = outputBaseName.substr(0, outputBaseName.find_last_of('/')).append("/dialects");
-  std::filesystem::create_directory(outputDir);
-  std::fstream file(outputDir + "/spatial.mlir", std::ios::out);
-  llvm::raw_os_ostream os(file);
-  os << *module;
-  os.flush();
-  file.close();
+  dumpModule(moduleOp, "spatial");
 }
 
 void ONNXToSpatialPass::annotateWeightsConstants(func::FuncOp funcOp) const {
diff --git a/src/PIM/Conversion/SpatialToPIM/SpatialToPIMPass.cpp b/src/PIM/Conversion/SpatialToPIM/SpatialToPIMPass.cpp
index 0d1b8fe..11d9a8a 100644
--- a/src/PIM/Conversion/SpatialToPIM/SpatialToPIMPass.cpp
+++ b/src/PIM/Conversion/SpatialToPIM/SpatialToPIMPass.cpp
@@ -13,7 +13,6 @@
 
 #include <cassert>
 #include <filesystem>
-#include <fstream>
 #include <string>
 #include <utility>
 
@@ -75,13 +74,7 @@ void SpatialToPIMPass::runOnOperation() {
   }
 
   // Dump to file for debug
-  std::string outputDir = outputBaseName.substr(0, outputBaseName.find_last_of('/')).append("/dialects");
-  std::filesystem::create_directory(outputDir);
-  std::fstream file(outputDir + "/pim.mlir", std::ios::out);
-  llvm::raw_os_ostream os(file);
-  os << *moduleOp;
-  os.flush();
-  file.close();
+  dumpModule(moduleOp, "pim");
 }
 
 void SpatialToPIMPass::runOnComputeOp(spatial::SpatWeightedCompute computeOp, IRRewriter& rewriter) {
diff --git a/src/PIM/Pass/EmitPimJsonPass.cpp b/src/PIM/Pass/EmitPimJsonPass.cpp
index 1b857c2..052a584 100644
--- a/src/PIM/Pass/EmitPimJsonPass.cpp
+++ b/src/PIM/Pass/EmitPimJsonPass.cpp
@@ -1,8 +1,6 @@
 #include "mlir/Pass/Pass.h"
 
-#include <filesystem>
-
-#include "Compiler/PimCompilerOptions.hpp"
+#include "Common/PIMCommon.hpp"
 #include "Compiler/PimCompilerUtils.hpp"
 
 using namespace mlir;
@@ -19,20 +17,13 @@ struct EmitPimJsonPass : PassWrapper<EmitPimJsonPass, OperationPass<ModuleOp>> {
   EmitPimJsonPass() {}
   EmitPimJsonPass(const EmitPimJsonPass& pass) {}
 
-  void runOnOperation() final {
+  void runOnOperation() override {
     ModuleOp moduleOp = getOperation();
 
-    std::filesystem::path pimDir(pimOutputDir.data());
+    std::string pimDir = getOutputDir() + "/pim";
+    createDirectory(pimDir);
 
-    std::error_code error_code;
-    std::filesystem::create_directories(pimDir, error_code);
-    if (error_code) {
-      moduleOp.emitError("Failed to create PIM output directory: " + error_code.message());
-      signalPassFailure();
-      return;
-    }
-
-    int compiler_error_code = compileModuleToPIMJSON(moduleOp, pimOutputDir);
+    int compiler_error_code = compileModuleToPIMJSON(moduleOp, pimDir);
     if (compiler_error_code != CompilerSuccess)
       signalPassFailure();
   }
diff --git a/src/PIM/Pass/MessagePass.cpp b/src/PIM/Pass/MessagePass.cpp
index 1fd61ce..0ac5c29 100644
--- a/src/PIM/Pass/MessagePass.cpp
+++ b/src/PIM/Pass/MessagePass.cpp
@@ -1,4 +1,5 @@
 #include "mlir/Pass/Pass.h"
+
 #include "src/Compiler/CompilerUtils.hpp"
 
 using namespace mlir;
@@ -7,21 +8,15 @@ namespace onnx_mlir {
 
 namespace {
 
-struct MessagePass : public PassWrapper<MessagePass, OperationPass<ModuleOp>> {
-
+struct MessagePass : PassWrapper<MessagePass, OperationPass<ModuleOp>> {
   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(MessagePass)
-
   StringRef getArgument() const override { return "message-pass"; }
+  StringRef getDescription() const override { return "Print compilation status"; }
 
-  StringRef getDescription() const override {
-    return "Lower ONNX ops to Spatial ops.";
-  }
+  MessagePass(std::string message)
+  : message(message) {}
+  MessagePass(const MessagePass& pass) {}
 
-  // Make sure that we have a valid default constructor and copy
-  // constructor to make sure that the options are initialized properly.
-  MessagePass(std::string message) : message(message) {}
-  MessagePass(const MessagePass &pass)
-      : PassWrapper<MessagePass, OperationPass<ModuleOp>>() {}
   void runOnOperation() final { showCompilePhase(message); }
 
 private:
@@ -30,8 +25,6 @@ private:
 
 } // namespace
 
-std::unique_ptr<Pass> createMessagePass(std::string message) {
-  return std::make_unique<MessagePass>(message);
-}
+std::unique_ptr<Pass> createMessagePass(std::string message) { return std::make_unique<MessagePass>(message); }
 
-} // namespace onnx_mlir
\ No newline at end of file
+} // namespace onnx_mlir
diff --git a/src/PIM/Transforms/PimBufferizationPass.cpp b/src/PIM/Transforms/PimBufferizationPass.cpp
index 054d312..18d3522 100644
--- a/src/PIM/Transforms/PimBufferizationPass.cpp
+++ b/src/PIM/Transforms/PimBufferizationPass.cpp
@@ -7,9 +7,7 @@
 
 #include "llvm/Support/raw_os_ostream.h"
 
-#include <filesystem>
-#include <fstream>
-
+#include "Common/PIMCommon.hpp"
 #include "Compiler/PimCodeGen.hpp"
 #include "PimBufferizationPass.hpp"
 #include "src/Compiler/CompilerOptions.hpp"
@@ -59,14 +57,7 @@ void PimBufferizationPass::runOnOperation() {
   annotateWeightsMemrefs(moduleOp, funcOp);
 
   // Dump to file for debug
-  ModuleOp module = getOperation();
-  std::string outputDir = outputBaseName.substr(0, outputBaseName.find_last_of('/')).append("/dialects");
-  std::filesystem::create_directory(outputDir);
-  std::fstream file(outputDir + "/pim_buf.mlir", std::ios::out);
-  llvm::raw_os_ostream os(file);
-  os << *module;
-  os.flush();
-  file.close();
+  dumpModule(moduleOp, "pim_buf");
 }
 
 void PimBufferizationPass::annotateWeightsMemrefs(ModuleOp moduleOp, func::FuncOp funcOp) const {
diff --git a/validation/operations/gemm/with_scalar_constant/gemm_with_scalar_constant.onnx b/validation/operations/gemm/with_scalar_constant/gemm_with_scalar_constant.onnx
new file mode 100644
index 0000000..04197fd
Binary files /dev/null and b/validation/operations/gemm/with_scalar_constant/gemm_with_scalar_constant.onnx differ