Handle int32 data values in patio-to-cranelift

1 files changed, 14 insertions, 1 deletions

diff --git a/patio-to-cranelift/src/codegen/values.rs b/patio-to-cranelift/src/codegen/values.rs
index c0f60517..39f8d40c 100644
--- a/patio-to-cranelift/src/codegen/values.rs
+++ b/patio-to-cranelift/src/codegen/values.rs
@@ -39,7 +39,11 @@ fn write_data_value(
             let value: i64 = eval_int_value(int_value, target_triple).into();
             bytes.extend_from_slice(&value.to_le_bytes());
         }
-        PatioDataValue::Int32(_) => todo!(),
+        PatioDataValue::Int32(int_value) => {
+            let value: i32 = eval_int_value(int_value, target_triple);
+            bytes.extend_from_slice(&value.to_le_bytes());
+        }
+
         PatioDataValue::Struct { elements } => {
             for element in elements {
                 write_data_value(element, bytes, target_triple);
@@ -113,4 +117,13 @@ mod data_value_to_bytes_test {
 
         assert_eq!(bytes.as_ref(), &[0x78, 0x56, 0x34, 0x12, 0, 0, 0, 0]);
     }
+
+    #[test]
+    fn int_32_is_written_as_four_bytes() {
+        let data_value = PatioDataValue::Int32(PatioIntValue::Literal { value: 0x12345678 });
+
+        let bytes = data_value_to_bytes(data_value);
+
+        assert_eq!(bytes.as_ref(), &[0x78, 0x56, 0x34, 0x12]);
+    }
 }