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rustc_codegen_ssa: use slice patterns instead of len-check+indexing

This commit is contained in:
Yotam Ofek 2025-02-02 13:01:10 +00:00
parent c182ce9cbc
commit c930bb2cfb

View file

@ -572,10 +572,10 @@ fn produce_final_output_artifacts(
};
let copy_if_one_unit = |output_type: OutputType, keep_numbered: bool| {
if compiled_modules.modules.len() == 1 {
if let [module] = &compiled_modules.modules[..] {
// 1) Only one codegen unit. In this case it's no difficulty
// to copy `foo.0.x` to `foo.x`.
let module_name = Some(&compiled_modules.modules[0].name[..]);
let module_name = Some(&module.name[..]);
let path = crate_output.temp_path(output_type, module_name);
let output = crate_output.path(output_type);
if !output_type.is_text_output() && output.is_tty() {
@ -707,8 +707,8 @@ fn produce_final_output_artifacts(
}
if sess.opts.json_artifact_notifications {
if compiled_modules.modules.len() == 1 {
compiled_modules.modules[0].for_each_output(|_path, ty| {
if let [module] = &compiled_modules.modules[..] {
module.for_each_output(|_path, ty| {
if sess.opts.output_types.contains_key(&ty) {
let descr = ty.shorthand();
// for single cgu file is renamed to drop cgu specific suffix
@ -864,7 +864,7 @@ pub(crate) fn compute_per_cgu_lto_type(
// require LTO so the request for LTO is always unconditionally
// passed down to the backend, but we don't actually want to do
// anything about it yet until we've got a final product.
let is_rlib = sess_crate_types.len() == 1 && sess_crate_types[0] == CrateType::Rlib;
let is_rlib = matches!(sess_crate_types, [CrateType::Rlib]);
match sess_lto {
Lto::ThinLocal if !linker_does_lto && !is_allocator => ComputedLtoType::Thin,