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mono: add rc reset procs to code_gen_help

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This commit is contained in:
Brian Carroll 2022-03-19 09:25:24 +00:00
parent 9cb6261a4d
commit 4c7aeb69a4
2 changed files with 52 additions and 21 deletions
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40
compiler/mono/src/code_gen_help/refcount.rs
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@ -121,7 +121,9 @@ pub fn refcount_generic<'a>(
let runtime_layout = lambda_set.runtime_representation();
refcount_generic(root, ident_ids, ctx, runtime_layout, structure)
}
Layout::RecursivePointer => rc_todo(),
Layout::RecursivePointer => unreachable!(
"We should never call a refcounting helper on a RecursivePointer layout directly"
),
Layout::Boxed(_) => rc_todo(),
}
}
@ -784,7 +786,7 @@ fn refcount_union<'a>(
Recursive(tags) => {
let (is_tailrec, tail_idx) = root.union_tail_recursion_fields(union);
if is_tailrec && !ctx.op.is_decref() {
if is_tailrec && !ctx.op.is_decref() && !ctx.op.is_reset() {
refcount_union_tailrec(root, ident_ids, ctx, union, tags, None, tail_idx, structure)
} else {
refcount_union_rec(root, ident_ids, ctx, union, tags, None, structure)
@ -806,7 +808,7 @@ fn refcount_union<'a>(
} => {
let null_id = Some(nullable_id);
let (is_tailrec, tail_idx) = root.union_tail_recursion_fields(union);
if is_tailrec && !ctx.op.is_decref() {
if is_tailrec && !ctx.op.is_decref() && !ctx.op.is_reset() {
refcount_union_tailrec(
root, ident_ids, ctx, union, tags, null_id, tail_idx, structure,
)
@ -822,7 +824,7 @@ fn refcount_union<'a>(
let null_id = Some(nullable_id as TagIdIntType);
let tags = root.arena.alloc([other_fields]);
let (is_tailrec, tail_idx) = root.union_tail_recursion_fields(union);
if is_tailrec && !ctx.op.is_decref() {
if is_tailrec && !ctx.op.is_decref() && !ctx.op.is_reset() {
refcount_union_tailrec(
root, ident_ids, ctx, union, tags, null_id, tail_idx, structure,
)
@ -978,14 +980,18 @@ fn refcount_union_rec<'a>(
let alignment = Layout::Union(union_layout).alignment_bytes(root.target_info);
let ret_stmt = rc_return_stmt(root, ident_ids, ctx);
let modify_structure_stmt = modify_refcount(
root,
ident_ids,
ctx,
rc_ptr,
alignment,
root.arena.alloc(ret_stmt),
);
let modify_structure_stmt = if ctx.op.is_reset() {
ret_stmt
} else {
modify_refcount(
root,
ident_ids,
ctx,
rc_ptr,
alignment,
root.arena.alloc(ret_stmt),
)
};
rc_ptr_from_data_ptr(
root,
@ -1014,13 +1020,13 @@ fn refcount_union_rec<'a>(
)
};
if ctx.op.is_decref() && null_id.is_none() {
rc_contents_then_structure
} else {
tag_id_stmt(root.arena.alloc(
match ctx.op {
HelperOp::DecRef(_) if null_id.is_none() => rc_contents_then_structure,
HelperOp::Reset => rc_contents_then_structure,
_ => tag_id_stmt(root.arena.alloc(
//
rc_contents_then_structure,
))
)),
}
}