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destruct record at high level

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satotake 2021-11-13 05:12:18 +00:00 • committed by GitHub
parent 98d2c57edf
commit 2e073d57ea
5 changed files with 42 additions and 18 deletions
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11
compiler/gen_llvm/src/llvm/build.rs
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@ -5212,12 +5212,16 @@ fn run_low_level<'a, 'ctx, 'env>(
}
ListSublist => {
// List.sublist : List elem, { start : Nat, len : Nat } -> List elem
debug_assert_eq!(args.len(), 2);
//
// As a low-level, record is destructed
// List.sublist : List elem, start : Nat, len : Nat -> List elem
debug_assert_eq!(args.len(), 3);
let (list, list_layout) = load_symbol_and_layout(scope, &args[0]);
let original_wrapper = list.into_struct_value();
let rec = load_symbol(scope, &args[1]);
let start = load_symbol(scope, &args[1]);
let len = load_symbol(scope, &args[2]);
match list_layout {
Layout::Builtin(Builtin::EmptyList) => empty_list(env),
@ -5225,7 +5229,8 @@ fn run_low_level<'a, 'ctx, 'env>(
env,
layout_ids,
original_wrapper,
rec.into_struct_value(),
start.into_int_value(),
len.into_int_value(),
element_layout,
),
_ => unreachable!("Invalid layout {:?} in List.sublist", list_layout),