diff --git a/ptx/src/translate.rs b/ptx/src/translate.rs
index 8dd612d..c37413a 100644
--- a/ptx/src/translate.rs
+++ b/ptx/src/translate.rs
@@ -164,7 +164,7 @@ fn emit_function<'a>(
 
 fn apply_id_offset(func_body: &mut Vec<ExpandedStatement>, id_offset: u32) {
     for s in func_body {
-        s.visit_id_mut(&mut |_, id| *id += id_offset);
+        s.visit_id(&mut |id| *id += id_offset);
     }
 }
 
@@ -200,7 +200,7 @@ fn normalize_labels(
             Statement::Variable(_, _, _)
             | Statement::LoadVar(_, _)
             | Statement::StoreVar(_, _)
-            | Statement::Converison(_)
+            | Statement::Conversion(_)
             | Statement::Constant(_)
             | Statement::Label(_) => (),
         }
@@ -275,18 +275,20 @@ fn insert_mem_ssa_statements(
                     result.push(Statement::Instruction(Instruction::Ld(ld, arg)));
                 }
                 mut inst => {
-                    let inst_type = inst.get_type();
                     let mut post_statements = Vec::new();
-                    inst.visit_id_mut(&mut |is_dst, id| {
-                        let inst_type = inst_type.unwrap();
-                        let generated_id = id_def.new_id(Some(inst_type));
+                    inst.visit_id(&mut |is_dst, id, id_type| {
+                        let id_type = match id_type {
+                            Some(t) => t,
+                            None => return,
+                        };
+                        let generated_id = id_def.new_id(Some(id_type));
                         if !is_dst {
                             result.push(Statement::LoadVar(
                                 Arg2 {
                                     dst: generated_id,
                                     src: *id,
                                 },
-                                inst_type,
+                                id_type,
                             ));
                         } else {
                             post_statements.push(Statement::StoreVar(
@@ -294,7 +296,7 @@ fn insert_mem_ssa_statements(
                                     src1: *id,
                                     src2: generated_id,
                                 },
-                                inst_type,
+                                id_type,
                             ));
                         }
                         *id = generated_id;
@@ -308,7 +310,7 @@ fn insert_mem_ssa_statements(
             | s @ Statement::Conditional(_) => result.push(s),
             Statement::LoadVar(_, _)
             | Statement::StoreVar(_, _)
-            | Statement::Converison(_)
+            | Statement::Conversion(_)
             | Statement::Constant(_) => unreachable!(),
         }
     }
@@ -331,7 +333,7 @@ fn expand_arguments(
             Statement::Conditional(bra) => result.push(Statement::Conditional(bra)),
             Statement::LoadVar(arg, typ) => result.push(Statement::LoadVar(arg, typ)),
             Statement::StoreVar(arg, typ) => result.push(Statement::StoreVar(arg, typ)),
-            Statement::Converison(_) | Statement::Constant(_) => unreachable!(),
+            Statement::Conversion(_) | Statement::Constant(_) => unreachable!(),
         }
     }
     result
@@ -572,7 +574,7 @@ fn insert_implicit_conversions(
             | s @ Statement::Variable(_, _, _)
             | s @ Statement::LoadVar(_, _)
             | s @ Statement::StoreVar(_, _) => result.push(s),
-            Statement::Converison(_) => unreachable!(),
+            Statement::Conversion(_) => unreachable!(),
         }
     }
     result
@@ -660,7 +662,7 @@ fn emit_function_body_ops(
                     _ => unreachable!(),
                 }
             }
-            Statement::Converison(cv) => emit_implicit_conversion(builder, map, cv)?,
+            Statement::Conversion(cv) => emit_implicit_conversion(builder, map, cv)?,
             Statement::Conditional(bra) => {
                 builder.branch_conditional(bra.predicate, bra.if_true, bra.if_false, [])?;
             }
@@ -973,38 +975,33 @@ enum Statement<A: Args> {
     Instruction(Instruction<A>),
     // SPIR-V compatible replacement for PTX predicates
     Conditional(BrachCondition),
-    Converison(ImplicitConversion),
+    Conversion(ImplicitConversion),
     Constant(ConstantDefinition),
 }
 
-impl<A: Args> Statement<A> {
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
+impl Statement<ExpandedArgs> {
+    fn visit_id<F: FnMut(&mut spirv::Word)>(&mut self, f: &mut F) {
         match self {
-            Statement::Variable(id, _, _) => f(true, id),
-            Statement::LoadVar(a, _) => a.visit_id_mut(f),
-            Statement::StoreVar(a, _) => a.visit_id_mut(f),
-            Statement::Label(id) => f(false, id),
-            Statement::Instruction(inst) => inst.visit_id_mut(f),
-            Statement::Conditional(bra) => bra.visit_id_mut(f),
-            Statement::Converison(conv) => conv.visit_id_mut(f),
-            Statement::Constant(cons) => cons.visit_id_mut(f),
+            Statement::Variable(id, _, _) => f(id),
+            Statement::LoadVar(a, _) => a.visit_id(&mut |_, id, _| f(id), None),
+            Statement::StoreVar(a, _) => a.visit_id(&mut |_, id, _| f(id), None),
+            Statement::Label(id) => f(id),
+            Statement::Instruction(inst) => inst.visit_id(f),
+            Statement::Conditional(bra) => bra.visit_id(&mut |_, id, _| f(id)),
+            Statement::Conversion(conv) => conv.visit_id(f),
+            Statement::Constant(cons) => cons.visit_id(f),
         }
     }
 }
 
 trait Args {
-    type Arg1: Arg;
-    type Arg2: Arg;
-    type Arg2St: Arg;
-    type Arg2Mov: Arg;
-    type Arg3: Arg;
-    type Arg4: Arg;
-    type Arg5: Arg;
-}
-
-trait Arg {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F);
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F);
+    type Arg1;
+    type Arg2;
+    type Arg2St;
+    type Arg2Mov;
+    type Arg3;
+    type Arg4;
+    type Arg5;
 }
 
 enum NormalizedArgs {}
@@ -1049,48 +1046,24 @@ enum Instruction<A: Args> {
     Ret(ast::RetData),
 }
 
-impl<A: Args> Instruction<A> {
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
+impl Instruction<NormalizedArgs> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(&mut self, f: &mut F) {
         match self {
-            Instruction::Ld(_, a) => a.visit_id_mut(f),
-            Instruction::Mov(_, a) => a.visit_id_mut(f),
-            Instruction::Mul(_, a) => a.visit_id_mut(f),
-            Instruction::Add(_, a) => a.visit_id_mut(f),
-            Instruction::Setp(_, a) => a.visit_id_mut(f),
-            Instruction::SetpBool(_, a) => a.visit_id_mut(f),
-            Instruction::Not(_, a) => a.visit_id_mut(f),
-            Instruction::Cvt(_, a) => a.visit_id_mut(f),
-            Instruction::Shl(_, a) => a.visit_id_mut(f),
-            Instruction::St(_, a) => a.visit_id_mut(f),
-            Instruction::Bra(_, a) => a.visit_id_mut(f),
+            Instruction::Ld(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::Mov(d, a) => a.visit_id(f, Some(d.typ)),
+            Instruction::Mul(d, a) => a.visit_id(f, Some(d.get_type())),
+            Instruction::Add(d, a) => a.visit_id(f, Some(d.get_type())),
+            Instruction::Setp(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::SetpBool(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::Not(_, _) => todo!(),
+            Instruction::Cvt(_, _) => todo!(),
+            Instruction::Shl(_, _) => todo!(),
+            Instruction::St(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::Bra(_, a) => a.visit_id(f, None),
             Instruction::Ret(_) => (),
         }
     }
 
-    fn get_type(&self) -> Option<ast::Type> {
-        match self {
-            Instruction::Add(add, _) => match add {
-                ast::AddDetails::Int(ast::AddIntDesc { typ, .. }) => {
-                    Some(ast::Type::Scalar((*typ).into()))
-                }
-                ast::AddDetails::Float(ast::AddFloatDesc { typ, .. }) => Some((*typ).into()),
-            },
-            Instruction::Ret(_) => None,
-            Instruction::Ld(ld, _) => Some(ast::Type::Scalar(ld.typ)),
-            Instruction::St(st, _) => Some(ast::Type::Scalar(st.typ)),
-            Instruction::Mov(mov, _) => Some(mov.typ),
-            Instruction::Mul(mul, _) => match mul {
-                ast::MulDetails::Int(ast::MulIntDesc { typ, .. }) => {
-                    Some(ast::Type::Scalar((*typ).into()))
-                }
-                ast::MulDetails::Float(ast::MulFloatDesc { typ, .. }) => Some((*typ).into()),
-            },
-            _ => todo!(),
-        }
-    }
-}
-
-impl Instruction<NormalizedArgs> {
     fn from_ast(s: ast::Instruction<spirv::Word>) -> Self {
         match s {
             ast::Instruction::Ld(d, a) => Instruction::Ld(d, a),
@@ -1110,6 +1083,50 @@ impl Instruction<NormalizedArgs> {
 }
 
 impl Instruction<ExpandedArgs> {
+    fn visit_id<F: FnMut(&mut spirv::Word)>(&mut self, f: &mut F) {
+        let f_visitor = &mut Self::typed_visitor(f);
+        match self {
+            Instruction::Ld(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Mov(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Mul(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Add(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Setp(_, a) => a.visit_id(f_visitor, None),
+            Instruction::SetpBool(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Not(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Cvt(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Shl(_, a) => a.visit_id(f_visitor, None),
+            Instruction::St(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Bra(_, a) => a.visit_id(f_visitor, None),
+            Instruction::Ret(_) => (),
+        }
+    }
+
+    fn typed_visitor<'a>(
+        f: &'a mut impl FnMut(&mut spirv::Word),
+    ) -> impl FnMut(bool, &mut spirv::Word, Option<ast::Type>) + 'a {
+        move |_, id, _| f(id)
+    }
+
+    fn visit_id_extended<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+    ) {
+        match self {
+            Instruction::Ld(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::Mov(d, a) => a.visit_id(f, Some(d.typ)),
+            Instruction::Mul(d, a) => a.visit_id(f, Some(d.get_type())),
+            Instruction::Add(d, a) => a.visit_id(f, Some(d.get_type())),
+            Instruction::Setp(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::SetpBool(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::Not(_, a) => todo!(),
+            Instruction::Cvt(_, a) => todo!(),
+            Instruction::Shl(_, a) => todo!(),
+            Instruction::St(d, a) => a.visit_id(f, Some(ast::Type::Scalar(d.typ))),
+            Instruction::Bra(_, a) => a.visit_id(f, None),
+            Instruction::Ret(_) => (),
+        }
+    }
+
     fn jump_target(&self) -> Option<spirv::Word> {
         match self {
             Instruction::Bra(_, a) => Some(a.src),
@@ -1132,13 +1149,13 @@ struct Arg1 {
     pub src: spirv::Word,
 }
 
-impl Arg for Arg1 {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(false, self.src);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src);
+impl Arg1 {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(false, &mut self.src, t);
     }
 }
 
@@ -1147,15 +1164,14 @@ struct Arg2 {
     pub src: spirv::Word,
 }
 
-impl Arg for Arg2 {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst);
-        f(false, self.src);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src);
-        f(true, &mut self.dst);
+impl Arg2 {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(true, &mut self.dst, t);
+        f(false, &mut self.src, t);
     }
 }
 
@@ -1164,15 +1180,14 @@ pub struct Arg2St {
     pub src2: spirv::Word,
 }
 
-impl Arg for Arg2St {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(false, self.src1);
-        f(false, self.src2);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src1);
-        f(false, &mut self.src2);
+impl Arg2St {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(false, &mut self.src1, t);
+        f(false, &mut self.src2, t);
     }
 }
 
@@ -1182,17 +1197,15 @@ struct Arg3 {
     pub src2: spirv::Word,
 }
 
-impl Arg for Arg3 {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst);
-        f(false, self.src1);
-        f(false, self.src2);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src1);
-        f(false, &mut self.src2);
-        f(true, &mut self.dst);
+impl Arg3 {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(true, &mut self.dst, t);
+        f(false, &mut self.src1, t);
+        f(false, &mut self.src2, t);
     }
 }
 
@@ -1203,19 +1216,26 @@ struct Arg4 {
     pub src2: spirv::Word,
 }
 
-impl Arg for Arg4 {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst1);
-        self.dst2.map(|dst2| f(true, dst2));
-        f(false, self.src1);
-        f(false, self.src2);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src1);
-        f(false, &mut self.src2);
-        f(true, &mut self.dst1);
-        self.dst2.as_mut().map(|dst2| f(true, dst2));
+impl Arg4 {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(
+            true,
+            &mut self.dst1,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
+        self.dst2.as_mut().map(|dst2| {
+            f(
+                true,
+                dst2,
+                Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+            )
+        });
+        f(false, &mut self.src1, t);
+        f(false, &mut self.src2, t);
     }
 }
 
@@ -1227,21 +1247,31 @@ struct Arg5 {
     pub src3: spirv::Word,
 }
 
-impl Arg for Arg5 {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst1);
-        self.dst2.map(|dst2| f(true, dst2));
-        f(false, self.src1);
-        f(false, self.src2);
-        f(false, self.src3);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src1);
-        f(false, &mut self.src2);
-        f(false, &mut self.src3);
-        f(true, &mut self.dst1);
-        self.dst2.as_mut().map(|dst2| f(true, dst2));
+impl Arg5 {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(
+            true,
+            &mut self.dst1,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
+        self.dst2.as_mut().map(|dst2| {
+            f(
+                true,
+                dst2,
+                Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+            )
+        });
+        f(false, &mut self.src1, t);
+        f(false, &mut self.src2, t);
+        f(
+            false,
+            &mut self.src3,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
     }
 }
 
@@ -1252,12 +1282,8 @@ struct ConstantDefinition {
 }
 
 impl ConstantDefinition {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(true, &mut self.dst);
+    fn visit_id<F: FnMut(&mut spirv::Word)>(&mut self, f: &mut F) {
+        f(&mut self.dst);
     }
 }
 
@@ -1268,16 +1294,14 @@ struct BrachCondition {
 }
 
 impl BrachCondition {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(false, self.predicate);
-        f(false, self.if_true);
-        f(false, self.if_false);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.predicate);
-        f(false, &mut self.if_true);
-        f(false, &mut self.if_false);
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(&mut self, f: &mut F) {
+        f(
+            false,
+            &mut self.predicate,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
+        f(false, &mut self.if_true, None);
+        f(false, &mut self.if_false, None);
     }
 }
 
@@ -1298,14 +1322,9 @@ enum ConversionKind {
 }
 
 impl ImplicitConversion {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(false, self.src);
-        f(true, self.dst);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src);
-        f(true, &mut self.dst);
+    fn visit_id<F: FnMut(&mut spirv::Word)>(&mut self, f: &mut F) {
+        f(&mut self.dst);
+        f(&mut self.src);
     }
 }
 
@@ -1343,13 +1362,13 @@ impl<T> ast::Arg1<T> {
     }
 }
 
-impl Arg for ast::Arg1<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(false, self.src);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        f(false, &mut self.src);
+impl ast::Arg1<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(false, &mut self.src, t);
     }
 }
 
@@ -1362,15 +1381,14 @@ impl<T> ast::Arg2<T> {
     }
 }
 
-impl Arg for ast::Arg2<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst);
-        self.src.visit_id(f);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        self.src.visit_id_mut(f);
-        f(true, &mut self.dst);
+impl ast::Arg2<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(true, &mut self.dst, t);
+        self.src.visit_id(f, t);
     }
 }
 
@@ -1383,15 +1401,14 @@ impl<T> ast::Arg2St<T> {
     }
 }
 
-impl Arg for ast::Arg2St<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        self.src1.visit_id(f);
-        self.src2.visit_id(f);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        self.src1.visit_id_mut(f);
-        self.src2.visit_id_mut(f);
+impl ast::Arg2St<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        self.src1.visit_id(f, t);
+        self.src2.visit_id(f, t);
     }
 }
 
@@ -1404,15 +1421,14 @@ impl<T> ast::Arg2Mov<T> {
     }
 }
 
-impl Arg for ast::Arg2Mov<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst);
-        self.src.visit_id(f);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        self.src.visit_id_mut(f);
-        f(true, &mut self.dst);
+impl ast::Arg2Mov<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(true, &mut self.dst, t);
+        self.src.visit_id(f, t);
     }
 }
 
@@ -1426,17 +1442,15 @@ impl<T> ast::Arg3<T> {
     }
 }
 
-impl Arg for ast::Arg3<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst);
-        self.src1.visit_id(f);
-        self.src2.visit_id(f);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        self.src1.visit_id_mut(f);
-        self.src2.visit_id_mut(f);
-        f(true, &mut self.dst);
+impl ast::Arg3<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(true, &mut self.dst, t);
+        self.src1.visit_id(f, t);
+        self.src2.visit_id(f, t);
     }
 }
 
@@ -1451,19 +1465,26 @@ impl<T> ast::Arg4<T> {
     }
 }
 
-impl Arg for ast::Arg4<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst1);
-        self.dst2.map(|i| f(true, i));
-        self.src1.visit_id(f);
-        self.src2.visit_id(f);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        self.src1.visit_id_mut(f);
-        self.src2.visit_id_mut(f);
-        f(true, &mut self.dst1);
-        self.dst2.as_mut().map(|i| f(true, i));
+impl ast::Arg4<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(
+            true,
+            &mut self.dst1,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
+        self.dst2.as_mut().map(|i| {
+            f(
+                true,
+                i,
+                Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+            )
+        });
+        self.src1.visit_id(f, t);
+        self.src2.visit_id(f, t);
     }
 }
 
@@ -1479,21 +1500,30 @@ impl<T> ast::Arg5<T> {
     }
 }
 
-impl Arg for ast::Arg5<spirv::Word> {
-    fn visit_id<F: FnMut(bool, spirv::Word)>(&self, f: &mut F) {
-        f(true, self.dst1);
-        self.dst2.map(|i| f(true, i));
-        self.src1.visit_id(f);
-        self.src2.visit_id(f);
-        self.src3.visit_id(f);
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut spirv::Word)>(&mut self, f: &mut F) {
-        self.src1.visit_id_mut(f);
-        self.src2.visit_id_mut(f);
-        self.src3.visit_id_mut(f);
-        f(true, &mut self.dst1);
-        self.dst2.as_mut().map(|i| f(true, i));
+impl ast::Arg5<spirv::Word> {
+    fn visit_id<F: FnMut(bool, &mut spirv::Word, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
+        f(
+            true,
+            &mut self.dst1,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
+        self.dst2.as_mut().map(|i| {
+            f(
+                true,
+                i,
+                Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+            )
+        });
+        self.src1.visit_id(f, t);
+        self.src2.visit_id(f, t);
+        self.src3.visit_id(
+            f,
+            Some(ast::Type::ExtendedScalar(ast::ExtendedScalarType::Pred)),
+        );
     }
 }
 
@@ -1508,18 +1538,14 @@ impl<T> ast::Operand<T> {
 }
 
 impl<T: Copy> ast::Operand<T> {
-    fn visit_id<F: FnMut(bool, T)>(&self, f: &mut F) {
+    fn visit_id<F: FnMut(bool, &mut T, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
         match self {
-            ast::Operand::Reg(i) => f(false, *i),
-            ast::Operand::RegOffset(i, _) => f(false, *i),
-            ast::Operand::Imm(_) => (),
-        }
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut T)>(&mut self, f: &mut F) {
-        match self {
-            ast::Operand::Reg(i) => f(false, i),
-            ast::Operand::RegOffset(i, _) => f(false, i),
+            ast::Operand::Reg(i) => f(false, i, t),
+            ast::Operand::RegOffset(i, _) => f(false, i, t),
             ast::Operand::Imm(_) => (),
         }
     }
@@ -1535,16 +1561,13 @@ impl<T> ast::MovOperand<T> {
 }
 
 impl<T: Copy> ast::MovOperand<T> {
-    fn visit_id<F: FnMut(bool, T)>(&self, f: &mut F) {
+    fn visit_id<F: FnMut(bool, &mut T, Option<ast::Type>)>(
+        &mut self,
+        f: &mut F,
+        t: Option<ast::Type>,
+    ) {
         match self {
-            ast::MovOperand::Op(o) => o.visit_id(f),
-            ast::MovOperand::Vec(_, _) => todo!(),
-        }
-    }
-
-    fn visit_id_mut<F: FnMut(bool, &mut T)>(&mut self, f: &mut F) {
-        match self {
-            ast::MovOperand::Op(o) => o.visit_id_mut(f),
+            ast::MovOperand::Op(o) => o.visit_id(f, t),
             ast::MovOperand::Vec(_, _) => todo!(),
         }
     }
@@ -1793,7 +1816,7 @@ fn insert_conversion_src(
     conv: ConversionKind,
 ) -> spirv::Word {
     let temp_src = id_def.new_id(Some(instr_type));
-    func.push(Statement::Converison(ImplicitConversion {
+    func.push(Statement::Conversion(ImplicitConversion {
         src: src,
         dst: temp_src,
         from: src_type,
@@ -1838,7 +1861,7 @@ fn get_conversion_dst(
     let original_dst = *dst;
     let temp_dst = id_def.new_id(Some(instr_type));
     *dst = temp_dst;
-    Statement::Converison(ImplicitConversion {
+    Statement::Conversion(ImplicitConversion {
         src: temp_dst,
         dst: original_dst,
         from: instr_type,
@@ -1938,31 +1961,33 @@ fn insert_implicit_bitcasts(
     mut instr: Instruction<ExpandedArgs>,
 ) {
     let mut dst_coercion = None;
-    if let Some(instr_type) = instr.get_type() {
-        instr.visit_id_mut(&mut |is_dst, id| {
-            let id_type = id_def.get_type(*id);
-            if should_bitcast(instr_type, id_def.get_type(*id)) {
-                if is_dst {
-                    dst_coercion = Some(get_conversion_dst(
-                        id_def,
-                        id,
-                        instr_type,
-                        id_type,
-                        ConversionKind::Default,
-                    ));
-                } else {
-                    *id = insert_conversion_src(
-                        func,
-                        id_def,
-                        *id,
-                        id_type,
-                        instr_type,
-                        ConversionKind::Default,
-                    );
-                }
+    instr.visit_id_extended(&mut |is_dst, id, id_type| {
+        let id_type_from_instr = match id_type {
+            Some(t) => t,
+            None => return,
+        };
+        let id_actual_type = id_def.get_type(*id);
+        if should_bitcast(id_type_from_instr, id_def.get_type(*id)) {
+            if is_dst {
+                dst_coercion = Some(get_conversion_dst(
+                    id_def,
+                    id,
+                    id_type_from_instr,
+                    id_actual_type,
+                    ConversionKind::Default,
+                ));
+            } else {
+                *id = insert_conversion_src(
+                    func,
+                    id_def,
+                    *id,
+                    id_actual_type,
+                    id_type_from_instr,
+                    ConversionKind::Default,
+                );
             }
-        });
-    }
+        }
+    });
     func.push(Statement::Instruction(instr));
     if let Some(cond) = dst_coercion {
         func.push(cond);