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Make sure to memcpy with correct size and alignments

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This commit is contained in:
Ayaz Hafiz 2023-06-14 17:55:22 -05:00
parent 57019d5b78
commit ea6330b48b
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GPG key ID: 0E2A37416A25EF58
2 changed files with 48 additions and 14 deletions
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25
crates/compiler/gen_llvm/src/llvm/build.rs
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@ -1659,10 +1659,24 @@ fn build_tag<'a, 'ctx>(
// let data_layout_repr = LayoutRepr::Struct(tags[tag_id as usize]);
// let data = RocStruct::build(env, layout_interner, data_layout_repr, scope, arguments);
let data = legacy_build_struct_while_debugging(env, layout_interner, scope, arguments);
let data_alloca = create_entry_block_alloca(
env,
parent,
data.get_type().into(),
"non_recursive_data_alloca",
);
env.builder.build_store(data_alloca, data);
let roc_union =
RocUnion::tagged_from_slices(layout_interner, env.context, tags, env.target_info);
let value = roc_union.as_struct_value(env, RocStruct::ByValue(data), Some(tag_id as _));
let data_layout = LayoutRepr::Struct(tags[tag_id as usize]);
let value = roc_union.as_struct_value(
env,
layout_interner,
RocStruct::ByReference(data_alloca),
data_layout,
Some(tag_id as _),
);
let alloca = create_entry_block_alloca(
env,
@ -1795,8 +1809,15 @@ fn build_tag<'a, 'ctx>(
// let data_layout_repr = LayoutRepr::Struct(other_fields);
// let data = RocStruct::build(env, layout_interner, data_layout_repr, scope, arguments);
let data = legacy_build_struct_while_debugging(env, layout_interner, scope, arguments);
let data_layout = LayoutRepr::Struct(other_fields);
let value = roc_union.as_struct_value(env, RocStruct::ByValue(data), None);
let value = roc_union.as_struct_value(
env,
layout_interner,
RocStruct::ByValue(data),
data_layout,
None,
);
env.builder.build_store(data_ptr, value);