Implement List.takeLast

compiler/gen_llvm/src/llvm/build_list.rs

@@ -316,6 +316,28 @@ pub fn list_take_first<'a, 'ctx, 'env>(
     )
 }
 
+/// List.takeLast : List elem, Nat -> List elem
+pub fn list_take_last<'a, 'ctx, 'env>(
+    env: &Env<'a, 'ctx, 'env>,
+    layout_ids: &mut LayoutIds<'a>,
+    original_wrapper: StructValue<'ctx>,
+    count: IntValue<'ctx>,
+    element_layout: &Layout<'a>,
+) -> BasicValueEnum<'ctx> {
+    let dec_element_fn = build_dec_wrapper(env, layout_ids, element_layout);
+    call_bitcode_fn_returns_list(
+        env,
+        &[
+            pass_list_cc(env, original_wrapper.into()),
+            env.alignment_intvalue(element_layout),
+            layout_width(env, element_layout),
+            count.into(),
+            dec_element_fn.as_global_value().as_pointer_value().into(),
+        ],
+        bitcode::LIST_TAKE_LAST,
+    )
+}
+
 /// List.drop : List elem, Nat -> List elem
 pub fn list_drop<'a, 'ctx, 'env>(
     env: &Env<'a, 'ctx, 'env>,