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remove unused branch

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Folkert 2021-06-23 14:05:07 +02:00
parent 4a5df543a5
commit d2fe546803
1 changed files with 0 additions and 51 deletions
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51
compiler/gen_llvm/src/llvm/build.rs
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@ -950,57 +950,6 @@ pub fn build_exp_expr<'a, 'ctx, 'env>(
BasicValueEnum::StructValue(struct_val.into_struct_value())
}
Tag {
union_size,
arguments,
tag_layout,
..
} if *union_size == 1 && matches!(tag_layout, UnionLayout::NonRecursive(_)) => {
let it = arguments.iter();
let ctx = env.context;
let builder = env.builder;
// Determine types
let num_fields = arguments.len() + 1;
let mut field_types = Vec::with_capacity_in(num_fields, env.arena);
let mut field_vals = Vec::with_capacity_in(num_fields, env.arena);
for field_symbol in it {
let (val, field_layout) = load_symbol_and_layout(scope, field_symbol);
if !field_layout.is_dropped_because_empty() {
let field_type = basic_type_from_layout(env, &field_layout);
field_types.push(field_type);
field_vals.push(val);
}
}
// If the struct has only one field that isn't zero-sized,
// unwrap it. This is what the layout expects us to do.
if field_vals.len() == 1 {
field_vals.pop().unwrap()
} else {
// Create the struct_type
let struct_type = ctx.struct_type(field_types.into_bump_slice(), false);
let mut struct_val = struct_type.const_zero().into();
// Insert field exprs into struct_val
for (index, field_val) in field_vals.into_iter().enumerate() {
struct_val = builder
.build_insert_value(
struct_val,
field_val,
index as u32,
"insert_single_tag_field",
)
.unwrap();
}
BasicValueEnum::StructValue(struct_val.into_struct_value())
}
}
Tag {
arguments,
tag_layout: UnionLayout::NonRecursive(fields),