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expose decref_pointer_check_NULL

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Folkert 2021-09-10 20:42:25 +02:00
parent ac75badbe4
commit 5e68d31afc
4 changed files with 32 additions and 0 deletions
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21
compiler/gen_llvm/src/llvm/refcounting.rs
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@ -250,6 +250,27 @@ pub fn decref_pointer<'a, 'ctx, 'env>(
);
}
/// Assumes a pointer to the refcount
pub fn decref_pointer_check_null<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
pointer: PointerValue<'ctx>,
alignment: u32,
) {
let alignment = env.context.i32_type().const_int(alignment as _, false);
call_void_bitcode_fn(
env,
&[
env.builder.build_bitcast(
pointer,
env.ptr_int().ptr_type(AddressSpace::Generic),
"to_isize_ptr",
),
alignment.into(),
],
roc_builtins::bitcode::UTILS_DECREF_CHECK_NULL,
);
}
fn modify_refcount_struct<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
layout_ids: &mut LayoutIds<'a>,