diff --git a/src/main/java/TP2/Main.java b/src/main/java/TP2/Main.java
index 7c1a7b7..5008630 100644
--- a/src/main/java/TP2/Main.java
+++ b/src/main/java/TP2/Main.java
@@ -10,6 +10,9 @@ import org.antlr.runtime.RecognitionException;
 import org.antlr.runtime.Token;
 
 import TP2.asd.Program.*;
+import TP2.llvm.Interface.ProgramLLVM;
+import TP2.llvm.Program.ProgramLLVMImpl;
+
 import java.util.*;
 
 public class Main {
@@ -46,6 +49,7 @@ public class Main {
       // Generate the intermediate representation
       System.out.println("todo");
 
+
     } catch (IOException | RecognitionException e) {
       e.printStackTrace();
       throw new RuntimeException("Unable to proceed");
diff --git a/src/main/java/TP2/LLVM.java b/src/main/java/TP2/VSL.java
similarity index 99%
rename from src/main/java/TP2/LLVM.java
rename to src/main/java/TP2/VSL.java
index 7dfb510..db1835e 100644
--- a/src/main/java/TP2/LLVM.java
+++ b/src/main/java/TP2/VSL.java
@@ -6,7 +6,7 @@ import java.util.List;
 
 
 
-public class LLVM {
+public class VSL {
 
     static String INDENT = "   ";
 
diff --git a/src/main/java/TP2/asd/Program.java b/src/main/java/TP2/asd/Program.java
index 189f02e..23cfb63 100644
--- a/src/main/java/TP2/asd/Program.java
+++ b/src/main/java/TP2/asd/Program.java
@@ -5,16 +5,7 @@ import java.util.Map;
 
 import org.antlr.grammar.v3.ANTLRParser.defaultNodeOption_return;
 
-import TP2.asd.Interface.ExprVisitor;
-import TP2.asd.Interface.Expression;
-import TP2.asd.Interface.Function;
-import TP2.asd.Interface.FunctionVisitor;
-import TP2.asd.Interface.InstrVisitor;
-import TP2.asd.Interface.Instruction;
-import TP2.asd.Interface.Op;
-import TP2.asd.Interface.ProgramI;
-import TP2.asd.Interface.ProgramVisitor;
-import TP2.asd.Interface.Type;
+import TP2.asd.Interface.*;
 
 
 
@@ -99,6 +90,12 @@ public class Program{
         public <H, S> S accept(InstrVisitor<H, S> v, H h) {
             return v.visitAssign(this, h);
         }
+
+        @Override
+        public String prettyprinter(String indent) {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'prettyprinter'");
+        }
     }
     
     public static record Type_voidImp() implements Type{
diff --git a/src/main/java/TP2/llvm/Interface.java b/src/main/java/TP2/llvm/Interface.java
new file mode 100644
index 0000000..8282a23
--- /dev/null
+++ b/src/main/java/TP2/llvm/Interface.java
@@ -0,0 +1,30 @@
+package TP2.llvm;
+import TP2.llvm.ProgramLLVM.*;
+
+public interface Interface {
+    public interface ProgLLVM{
+        public String prettyprinter(); 
+    }
+
+    public interface DefineLLVM{
+        public String prettyprinter(); 
+    }
+
+    public interface IdentifierLLVM{ //globaux @ et local %
+        public String prettyprinter(); 
+    }
+
+    public interface InstructionLLVM{
+        public String prettyprinter(); 
+    }
+
+    public interface ExpressionLLVM{
+        public String prettyprinter(); 
+    }
+
+    public interface Val{
+        public String prettyprinter(); 
+    }        
+
+
+}
diff --git a/src/main/java/TP2/llvm/ProgramLLVM.java b/src/main/java/TP2/llvm/ProgramLLVM.java
new file mode 100644
index 0000000..1e89ae5
--- /dev/null
+++ b/src/main/java/TP2/llvm/ProgramLLVM.java
@@ -0,0 +1,100 @@
+package TP2.llvm;
+
+import java.util.ArrayList;
+
+import TP2.asd.Program.ProgramImp;
+import TP2.llvm.Interface.*;
+
+
+public class ProgramLLVM {
+    static String INDENT = "  ";
+
+                                        //TODO                //TODO
+    public static record ProgramLLVMImpl(int target ,ArrayList<Integer> declration ,ArrayList<DefineLLVM> fonctions) implements ProgLLVM{
+        
+
+        public String prettyprinter(){
+            String str = "";
+            str += target + "\n"; //TODO
+            for(int i = 0; i<declration.size(); i++){
+                str += declration.get(i) + "\n"; //TODO
+            }
+            for(int i = 0; i < fonctions.size(); i++){
+                str += fonctions.get(i).prettyprinter() + "\n";
+            }
+            return str;
+        }
+    }
+
+    public static record DefineLLVMImpl(String nom,int nbBits, ArrayList<InstructionLLVM> instrs) implements DefineLLVM{
+        public String prettyprinter(){
+            String str = "define i"+ nbBits + "@"+nom + "() {\n";
+            for(int i = 0; i < instrs.size(); i++){
+                str += instrs.get(i).prettyprinter() + "\n";
+            }
+            str += "}";
+            return str;
+        }
+    }
+
+    //Instructon :
+
+    public static record LabelLLVMImpl(String nom) implements InstructionLLVM{
+        public String prettyprinter(){
+            String str = "" + nom + ":";
+            return str;
+        }
+    }
+
+    public static record AffectLLVM(Var var, ExpressionLLVM e) implements InstructionLLVM{
+        public String prettyprinter(){
+            return "%" + var.prettyprinter() + " = " + e.prettyprinter();
+        }
+    }
+
+    //Expression :
+
+    public static record AddLLVMImpl(int nbBits, Val val1,Val val2) implements ExpressionLLVM{
+        public String prettyprinter(){
+            return "add" + " i" + nbBits + " " + val1.prettyprinter() + ", " + val2.prettyprinter();
+        }
+    }
+
+    public static record SubLLVMImpl(int nbBits, Val val1,Val val2) implements ExpressionLLVM{
+        public String prettyprinter(){
+            return "sub" + " i" + nbBits + " " + val1.prettyprinter() + ", " + val2.prettyprinter();
+        }
+    }
+
+    public static record allocaLLVMImpl(int nbBits) implements ExpressionLLVM{
+        public String prettyprinter(){
+            return "aloca" + " i" + nbBits;
+        }
+    }
+
+    public static record loadLLVMImpl(int nbBits,int nbBits2, Val val) implements ExpressionLLVM{
+        public String prettyprinter(){
+            return "load" + " i" + nbBits + ", i"+ nbBits2 + "* %" + val.prettyprinter();
+        }
+    }
+
+    //Val
+
+    public static record ValImpl(int val) implements Val{
+        public String prettyprinter(){
+            return val + "";
+        }
+    }
+
+    public static record Var(String nom) implements Val{
+        public String prettyprinter(){
+            return "%"+nom;
+        }
+    }
+
+
+
+
+
+    
+}