Remove takeFirst and takeLast from backend

This commit is contained in:
satotake 2021-11-13 06:03:18 +00:00 committed by GitHub
parent 2e073d57ea
commit 9ec2bc7946
10 changed files with 39 additions and 158 deletions

View file

@ -12,8 +12,7 @@ use crate::llvm::build_list::{
list_contains, list_drop, list_drop_at, list_find_trivial_not_found, list_find_unsafe,
list_get_unsafe, list_join, list_keep_errs, list_keep_if, list_keep_oks, list_len, list_map,
list_map2, list_map3, list_map4, list_map_with_index, list_prepend, list_range, list_repeat,
list_reverse, list_set, list_single, list_sort_with, list_sublist, list_swap, list_take_first,
list_take_last,
list_reverse, list_set, list_single, list_sort_with, list_sublist, list_swap,
};
use crate::llvm::build_str::{
empty_str, str_concat, str_count_graphemes, str_ends_with, str_from_float, str_from_int,
@ -5169,47 +5168,6 @@ fn run_low_level<'a, 'ctx, 'env>(
_ => unreachable!("Invalid layout {:?} in List.swap", list_layout),
}
}
ListTakeFirst => {
// List.takeFirst : List elem, Nat -> List elem
debug_assert_eq!(args.len(), 2);
let (list, list_layout) = load_symbol_and_layout(scope, &args[0]);
let original_wrapper = list.into_struct_value();
let count = load_symbol(scope, &args[1]);
match list_layout {
Layout::Builtin(Builtin::EmptyList) => empty_list(env),
Layout::Builtin(Builtin::List(element_layout)) => list_take_first(
env,
original_wrapper,
count.into_int_value(),
element_layout,
),
_ => unreachable!("Invalid layout {:?} in List.takeFirst", list_layout),
}
}
ListTakeLast => {
// List.takeLast : List elem, Nat -> List elem
debug_assert_eq!(args.len(), 2);
let (list, list_layout) = load_symbol_and_layout(scope, &args[0]);
let original_wrapper = list.into_struct_value();
let count = load_symbol(scope, &args[1]);
match list_layout {
Layout::Builtin(Builtin::EmptyList) => empty_list(env),
Layout::Builtin(Builtin::List(element_layout)) => list_take_last(
env,
layout_ids,
original_wrapper,
count.into_int_value(),
element_layout,
),
_ => unreachable!("Invalid layout {:?} in List.takeLast", list_layout),
}
}
ListSublist => {
// List.sublist : List elem, { start : Nat, len : Nat } -> List elem
//

View file

@ -297,47 +297,6 @@ pub fn list_swap<'a, 'ctx, 'env>(
)
}
/// List.takeFirst : List elem, Nat -> List elem
pub fn list_take_first<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
original_wrapper: StructValue<'ctx>,
count: IntValue<'ctx>,
element_layout: &Layout<'a>,
) -> BasicValueEnum<'ctx> {
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(),
],
bitcode::LIST_TAKE_FIRST,
)
}
/// 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.sublist : List elem, { start : Nat, len : Nat } -> List elem
pub fn list_sublist<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,