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feat(wasm): use allocate with ref count

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rvcas 2021-12-16 21:23:13 -05:00
parent c14b4b81e0
commit b35deacebe
1 changed files with 7 additions and 5 deletions
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12
compiler/gen_wasm/src/backend.rs
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@ -627,17 +627,19 @@ impl<'a> WasmBackend<'a> {
}
Expr::Array { elems, elem_layout } => {
if let StoredValue::StackMemory { location, .. } = storage {
if let StoredValue::StackMemory {
location,
alignment_bytes,
..
} = storage
{
let (local_id, offset) =
location.local_and_offset(self.storage.stack_frame_pointer);
// TODO: will be passed into roc_alloc
let size = elem_layout.stack_size(PTR_SIZE) * (elems.len() as u32);
self.code_builder.get_local(local_id);
// TODO: we'll need a pointer here actually
// waiting on #2169
self.code_builder.i32_const(0);
self.allocate_with_refcount(Some(size), *alignment_bytes, 1);
self.code_builder.i32_store(Align::Bytes4, offset);
// length of the list