diff --git a/ptx/src/ast.rs b/ptx/src/ast.rs
index 3a7cf98..6a01a6a 100644
--- a/ptx/src/ast.rs
+++ b/ptx/src/ast.rs
@@ -595,32 +595,10 @@ pub struct LdDetails {
     pub qualifier: LdStQualifier,
     pub state_space: LdStateSpace,
     pub caching: LdCacheOperator,
-    pub typ: LdStType,
+    pub typ: PointerType,
     pub non_coherent: bool,
 }
 
-sub_type! {
-    LdStType {
-        Scalar(ScalarType),
-        Vector(ScalarType, u8),
-        // Used in generated code
-        Pointer(PointerType, LdStateSpace),
-    }
-}
-
-impl From<LdStType> for PointerType {
-    fn from(t: LdStType) -> Self {
-        match t {
-            LdStType::Scalar(t) => PointerType::Scalar(t.into()),
-            LdStType::Vector(t, len) => PointerType::Vector(t.into(), len),
-            LdStType::Pointer(PointerType::Scalar(scalar_type), space) => {
-                PointerType::Pointer(scalar_type, space)
-            }
-            LdStType::Pointer(..) => unreachable!(),
-        }
-    }
-}
-
 #[derive(Copy, Clone, PartialEq, Eq)]
 pub enum LdStQualifier {
     Weak,
@@ -853,7 +831,7 @@ pub struct StData {
     pub qualifier: LdStQualifier,
     pub state_space: StStateSpace,
     pub caching: StCacheOperator,
-    pub typ: LdStType,
+    pub typ: PointerType,
 }
 
 #[derive(PartialEq, Eq, Copy, Clone)]
diff --git a/ptx/src/ptx.lalrpop b/ptx/src/ptx.lalrpop
index 7bd9c4f..44852a2 100644
--- a/ptx/src/ptx.lalrpop
+++ b/ptx/src/ptx.lalrpop
@@ -789,9 +789,9 @@ InstLd: ast::Instruction<ast::ParsedArgParams<'input>> = {
     }
 };
 
-LdStType: ast::LdStType = {
-    <v:VectorPrefix> <t:LdStScalarType> => ast::LdStType::Vector(t, v),
-    <t:LdStScalarType> => ast::LdStType::Scalar(t),
+LdStType: ast::PointerType = {
+    <v:VectorPrefix> <t:LdStScalarType> => ast::PointerType::Vector(t, v),
+    <t:LdStScalarType> => ast::PointerType::Scalar(t),
 }
 
 LdStQualifier: ast::LdStQualifier = {
diff --git a/ptx/src/translate.rs b/ptx/src/translate.rs
index 7eec085..1f647bd 100644
--- a/ptx/src/translate.rs
+++ b/ptx/src/translate.rs
@@ -4553,7 +4553,7 @@ fn convert_to_stateful_memory_access<'a>(
             Statement::Instruction(ast::Instruction::Ld(
                 ast::LdDetails {
                     state_space: ast::LdStateSpace::Param,
-                    typ: ast::LdStType::Scalar(ast::ScalarType::U64),
+                    typ: ast::PointerType::Scalar(ast::ScalarType::U64),
                     ..
                 },
                 arg,
@@ -4561,7 +4561,7 @@ fn convert_to_stateful_memory_access<'a>(
             | Statement::Instruction(ast::Instruction::Ld(
                 ast::LdDetails {
                     state_space: ast::LdStateSpace::Param,
-                    typ: ast::LdStType::Scalar(ast::ScalarType::S64),
+                    typ: ast::PointerType::Scalar(ast::ScalarType::S64),
                     ..
                 },
                 arg,
@@ -4569,7 +4569,7 @@ fn convert_to_stateful_memory_access<'a>(
             | Statement::Instruction(ast::Instruction::Ld(
                 ast::LdDetails {
                     state_space: ast::LdStateSpace::Param,
-                    typ: ast::LdStType::Scalar(ast::ScalarType::B64),
+                    typ: ast::PointerType::Scalar(ast::ScalarType::B64),
                     ..
                 },
                 arg,