diff --git a/src/codegen.rs b/src/codegen.rs
index 63397fc..a714cba 100644
--- a/src/codegen.rs
+++ b/src/codegen.rs
@@ -61,6 +61,9 @@ pub fn compile_program(program: &Program, optlevel: OptLevel, out_name: &Path) {
     pass_manager.add_pass(pass::conversion::create_to_llvm());
     pass_manager.run(&mut module).unwrap();
 
+    let mlir_code = module.as_operation().to_string();
+    std::fs::write(out_name.with_extension("mlir"), mlir_code).unwrap();
+
     // Convert the MLIR to LLVM IR (requires unsafe since we use mlir-sys and llvm-sys for this)
     let object = unsafe { llvm_compile(&module, optlevel) };
     let out_obj = out_name.with_extension("o");
@@ -95,7 +98,7 @@ pub fn compile_program_jit(program: &Program) -> ExecutionEngine {
     pass_manager.add_pass(pass::conversion::create_to_llvm());
     pass_manager.run(&mut module).unwrap();
 
-    println!("{}", module.as_operation().to_string());
+    println!("{}", module.as_operation());
 
     ExecutionEngine::new(&module, 3, &[], false)
 }
diff --git a/src/codegen/expressions.rs b/src/codegen/expressions.rs
index 8e00769..03ed565 100644
--- a/src/codegen/expressions.rs
+++ b/src/codegen/expressions.rs
@@ -1,9 +1,11 @@
 use std::collections::HashMap;
 
 use melior::{
-    dialect::{arith, llvm}, helpers::{ArithBlockExt, LlvmBlockExt}, ir::{
+    dialect::{arith, llvm},
+    helpers::{ArithBlockExt, LlvmBlockExt},
+    ir::{
         attribute::IntegerAttribute, r#type::IntegerType, Block, BlockRef, Location, Type, Value,
-    }
+    },
 };
 
 use crate::ast::{Expr, Opcode};
diff --git a/src/codegen/let_stmt.rs b/src/codegen/let_stmt.rs
index fc57f23..84d3533 100644
--- a/src/codegen/let_stmt.rs
+++ b/src/codegen/let_stmt.rs
@@ -1,6 +1,9 @@
 use std::collections::HashMap;
 
-use melior::{helpers::LlvmBlockExt, ir::{r#type::IntegerType, Block, Location, Value}};
+use melior::{
+    helpers::LlvmBlockExt,
+    ir::{r#type::IntegerType, Block, Location, Value},
+};
 
 use crate::{ast::LetStmt, codegen::expressions::compile_expr};
 
diff --git a/src/codegen/return_stmt.rs b/src/codegen/return_stmt.rs
index 01f3b37..9bab7f3 100644
--- a/src/codegen/return_stmt.rs
+++ b/src/codegen/return_stmt.rs
@@ -1,6 +1,9 @@
 use std::collections::HashMap;
 
-use melior::{dialect::func, ir::{Block, BlockRef, Location, Value}};
+use melior::{
+    dialect::func,
+    ir::{Block, BlockRef, Location, Value},
+};
 
 use crate::ast::ReturnStmt;