diff --git a/src/main/java/TP2/asd/PrettyprinterVisitor.java b/src/main/java/TP2/asd/PrettyprinterVisitor.java
index 7acd021..8492169 100644
--- a/src/main/java/TP2/asd/PrettyprinterVisitor.java
+++ b/src/main/java/TP2/asd/PrettyprinterVisitor.java
@@ -131,10 +131,10 @@ public class PrettyprinterVisitor implements    ProgramVisitor<String,String>,
     @Override
     public String visitWhile(WhileImp instr, String indent) {
         String str = indent+"WHILE ";
-        str += (instr.e().accept(this, ""));
-        str+= " DO ";
-        str+= instr.i1().accept(this, "");
-        str+= " DONE";
+        str += (instr.e().accept(this, indent))+"\n";
+        str+= indent+"DO ";
+        str+= instr.i1().accept(this, indent)+"\n";
+        str+= indent+"DONE";
         return str;
     }
 
diff --git a/src/main/java/TP2/asd/SymTable.java b/src/main/java/TP2/asd/SymTable.java
index 88a57ab..4475192 100644
--- a/src/main/java/TP2/asd/SymTable.java
+++ b/src/main/java/TP2/asd/SymTable.java
@@ -44,7 +44,7 @@ public class SymTable {
 
     public int getNewIdLabel(){
         int a = this.idLabel;
-        this.id++;
+        this.idLabel++;
         return a;
     }
 
@@ -62,7 +62,6 @@ public class SymTable {
     }
 
     public String getVar(String nomVar){
-        System.out.println("getVar(" + nomVar +") -------------------------------------------");
         return nomVar + this.stackMap.getLast().get(nomVar).id;
     }
 
diff --git a/src/main/java/TP2/asd/toLLVM_Visitor.java b/src/main/java/TP2/asd/toLLVM_Visitor.java
index f38f522..5094d83 100644
--- a/src/main/java/TP2/asd/toLLVM_Visitor.java
+++ b/src/main/java/TP2/asd/toLLVM_Visitor.java
@@ -162,14 +162,21 @@ public class toLLVM_Visitor implements  ProgramVisitor<SymTable,ProgramLLVMImpl>
         String labelDone = "done"+h.getNewIdLabel();
         
         l.add(new LabelLLVMImp(labelWhile));
-        InstrAndVal temp = instr.e().accept(this,h); //retourne les instruction pour optenir le résultat ainsi que la variable contenant le résultat final
-        l.addAll(temp.instrs);
+        InstrAndVal temp = instr.e().accept(this,h); //retourne les instructionz pour obtenir le résultat de l'expression ainsi que la variable contenant le résultat final
+        l.addAll(temp.instrs); //instructions
         ValLLVM val = temp.val; //temp6
-        //TODO : icmp et br
+        ExpressionLLVM exTemp = new IcmpLLVMImp(val,new ValLLVMImpl(new IntLLVMImpl(), 0));
+        Result temp2 = h.addNewTempVar();
+        h = temp2.symTable;
+        VarLLVMImpl varCond = new VarLLVMImpl(exTemp.getType(), temp2.var);
+        l.add(new AssignLVMImpl(varCond,exTemp));
+        l.add(new BrCondLLVMImp(varCond,labelDo,labelDone));
 
         l.add(new LabelLLVMImp(labelDo));
         l.addAll(instr.i1().accept(this,h));
-        //TODO br vers label while
+        
+        l.add(new BrLLVMImp(labelWhile));
+        
         l.add(new LabelLLVMImp(labelDone));
 
         return l;
diff --git a/src/main/java/TP2/llvm/Interface.java b/src/main/java/TP2/llvm/Interface.java
index 421a3d0..672c00d 100644
--- a/src/main/java/TP2/llvm/Interface.java
+++ b/src/main/java/TP2/llvm/Interface.java
@@ -36,6 +36,8 @@ public interface Interface {
         public S visitIfThenLLVM(IfThenLLVMImp instr, H h);
         public S visitWhileLLVM(WhileLLVMImp instr, H h);
         public S visitLabelLLVM(LabelLLVMImp instr, H h);
+        public S visitBrLLVM(BrLLVMImp instr, H h);
+        public S visitBrCondLLVM(BrCondLLVMImp instr, H h);
     }
 
     //////////ExpressionLLVM (expression)
@@ -53,6 +55,7 @@ public interface Interface {
         public S visitLoadLLVM(loadLLVMImpl e,H h);
         public S visitValLLVM(ValLLVMImpl e,H h);
         public S visitVarLLVM(VarLLVMImpl e,H h);
+        public S visitIcmpLLVM(IcmpLLVMImp e, H h);
     }
 
     /*public interface IdentifierLLVM{ //globaux @ et local %
@@ -64,12 +67,12 @@ public interface Interface {
 
     public interface TypeLLVM{
         public <H,S> S accept(TypeLLVMVisitor<H,S> v, H h);
-        public int getNbBit();
     }
 
     public interface TypeLLVMVisitor<H,S> {
         public S visitIntLLVM(IntLLVMImpl e,H h);
         public S visitVoidLLVM(VoidLLVMImpl e, H h);
+        public S visitBooleanLLVM(BooleanLLVMImp e, H h);
     }
 
 }
diff --git a/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java b/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java
index 98eb2e4..158bb79 100644
--- a/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java
+++ b/src/main/java/TP2/llvm/PrettyprinterLLVM_Visitor.java
@@ -86,9 +86,14 @@ TypeLLVMVisitor<String,String>
             return str + e.type().accept(this,h) + " " + e.val1().accept(this,h) + ", " + e.val2().accept(this,h);
     }
 
+    @Override
+    public String visitIcmpLLVM(IcmpLLVMImp e, String h) {
+        return "icmp ne " + e.val1().getType().accept(this, h) +" "+ e.val1().accept(this, h) + ", " + e.val2().accept(this, h);
+    }
+
     @Override
     public String visitAllocaLLVM(allocaLLVMImpl e, String h) {
-        return "alloca" + " i" + e.type().getNbBit();
+        return "alloca" + e.type().accept(this, h);
     }
 
     @Override
@@ -113,6 +118,23 @@ TypeLLVMVisitor<String,String>
         return INDENT+"call " + "...TODO..." +" scanf " + "...TODO...";
     }
 
+        //label
+    @Override
+    public String visitLabelLLVM(LabelLLVMImp instr, String h) {
+        return instr.nom()+":";
+    }
+
+    @Override
+    public String visitBrLLVM(BrLLVMImp instr, String h) {
+        return INDENT+"br label %" + instr.label(); 
+    }
+
+    @Override
+    public String visitBrCondLLVM(BrCondLLVMImp instr, String h) {
+        return INDENT+"br " + instr.var().type().accept(this, h) +" "+ instr.var().accept(this, h) + ", label %" + instr.label() + ", label %" + instr.labelElse() ; 
+    }
+
+    
     @Override
     public String visitIfThenElseLLVM(IfThenElseLLVMImp instr, String h) {
         // TODO Auto-generated method stub
@@ -151,4 +173,9 @@ TypeLLVMVisitor<String,String>
     public String visitVoidLLVM(VoidLLVMImpl e, String h) {
         return "void";
     }
+
+    @Override
+    public String visitBooleanLLVM(BooleanLLVMImp e, String h) {
+        return "i1";
+    }
 }
diff --git a/src/main/java/TP2/llvm/ProgramLLVM.java b/src/main/java/TP2/llvm/ProgramLLVM.java
index 085bd96..488c31a 100644
--- a/src/main/java/TP2/llvm/ProgramLLVM.java
+++ b/src/main/java/TP2/llvm/ProgramLLVM.java
@@ -30,19 +30,28 @@ public class ProgramLLVM {
 
 
     //Instructon :
-    
+        //Label
     public static record LabelLLVMImp(String nom) implements InstructionLLVM{
-        public String prettyprinter(){
-            StringBuilder str = new StringBuilder();
-            return str.toString();
-        }
-
         @Override
         public <H, S> S accept(InstructionLLVMVisitor<H, S> v, H h) {
             return v.visitLabelLLVM(this, h);
         }
     }
 
+    public static record BrLLVMImp(String label) implements InstructionLLVM{
+        @Override
+        public <H, S> S accept(InstructionLLVMVisitor<H, S> v, H h) {
+            return v.visitBrLLVM(this, h);
+        }
+    }
+
+    public static record BrCondLLVMImp(VarLLVMImpl var, String label, String labelElse) implements InstructionLLVM{
+        @Override
+        public <H, S> S accept(InstructionLLVMVisitor<H, S> v, H h) {
+            return v.visitBrCondLLVM(this, h);
+        }
+    } 
+
      
     public static record AssignLVMImpl(VarLLVMImpl var, ExpressionLLVM e) implements InstructionLLVM{
         @Override
@@ -156,6 +165,18 @@ public class ProgramLLVM {
         }
     }
 
+    public static record IcmpLLVMImp(ValLLVM val1, ValLLVM val2) implements ExpressionLLVM{
+        @Override
+        public <H, S> S accept(ExpressionLLVMVisitor<H, S> v, H h) {
+            return v.visitIcmpLLVM(this, h);
+        }
+
+        @Override
+        public TypeLLVM getType() {
+            return new BooleanLLVMImp();
+        }
+
+    }
 
     //Val
 
@@ -186,27 +207,24 @@ public class ProgramLLVM {
 
 
     public static record IntLLVMImpl() implements TypeLLVM{
-
         @Override
         public <H, S> S accept(TypeLLVMVisitor<H, S> v, H h) {
             return v.visitIntLLVM(this, h);
         }
-
-        public int getNbBit(){
-            return 32;
-        }
     }
 
 
     public static record VoidLLVMImpl() implements TypeLLVM{
-
         @Override
         public <H, S> S accept(TypeLLVMVisitor<H, S> v, H h) {
             return v.visitVoidLLVM(this, h);
         }
+    }
 
-        public int getNbBit(){
-            return 0;
+    public static record BooleanLLVMImp() implements TypeLLVM{
+        @Override
+        public <H, S> S accept(TypeLLVMVisitor<H, S> v, H h) {
+            return v.visitBooleanLLVM(this, h);
         }
     }
 }
diff --git a/tests/aLaMain.vsl b/tests/aLaMain.vsl
index a061105..443d346 100644
--- a/tests/aLaMain.vsl
+++ b/tests/aLaMain.vsl
@@ -3,8 +3,11 @@ FUNC INT main() {
     b:=3
     c:=1
     PRINT "coucou, tu peux réparer le visitPrint dans LLVM stp","il manque virgule au milieu", c*5+b
-    IF 1 THEN a:=a+1 FI
-    IF 2 THEN b:=c+1 ELSE 
+    WHILE b - 1
+    DO{
+        b := b - 1
+        c := c + 1
+    }
+    DONE
     b:=c+1  
-    FI
     RETURN 4 + 6 * 5 + 2 }
\ No newline at end of file