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llvm codegen

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Folkert 2022-03-08 22:21:03 +01:00
parent f9c1af1dc4
commit 4cca0b3b3c
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2 changed files with 30 additions and 5 deletions
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24
compiler/gen_llvm/src/llvm/build.rs
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@ -1126,7 +1126,29 @@ pub fn build_exp_expr<'a, 'ctx, 'env>(
..
} => build_tag(env, scope, union_layout, *tag_id, arguments, None, parent),
ExprBox { .. } | ExprUnbox { .. } => todo!(),
ExprBox { symbol } => {
let (value, layout) = load_symbol_and_layout(scope, symbol);
let basic_type = basic_type_from_layout(env, layout);
let allocation = reserve_with_refcount_help(
env,
basic_type,
layout.stack_size(env.target_info),
layout.alignment_bytes(env.target_info),
);
env.builder.build_store(allocation, value);
allocation.into()
}
ExprUnbox { symbol } => {
let value = load_symbol(scope, symbol);
debug_assert!(value.is_pointer_value());
env.builder
.build_load(value.into_pointer_value(), "load_boxed_value")
}
Reset { symbol, .. } => {
let (tag_ptr, layout) = load_symbol_and_layout(scope, symbol);