bjoernager/rust
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introduce DynSend and DynSync auto trait

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This commit is contained in:
SparrowLii 2023-03-03 10:14:57 +08:00
parent 963e5c0eff
commit b9746ce039
26 changed files with 558 additions and 115 deletions
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17
compiler/rustc_codegen_ssa/src/base.rs
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@ -17,10 +17,7 @@ use rustc_ast::expand::allocator::AllocatorKind;
use rustc_attr as attr;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry};
use rustc_data_structures::sync::par_iter;
#[cfg(parallel_compiler)]
use rustc_data_structures::sync::ParallelIterator;
use rustc_data_structures::sync::par_map;
use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_hir::lang_items::LangItem;
@ -689,7 +686,7 @@ pub fn codegen_crate<B: ExtraBackendMethods>(
// This likely is a temporary measure. Once we don't have to support the
// non-parallel compiler anymore, we can compile CGUs end-to-end in
// parallel and get rid of the complicated scheduling logic.
let mut pre_compiled_cgus = if cfg!(parallel_compiler) {
let mut pre_compiled_cgus = if tcx.sess.threads() > 1 {
tcx.sess.time("compile_first_CGU_batch", || {
// Try to find one CGU to compile per thread.
let cgus: Vec<_> = cgu_reuse
@ -702,12 +699,10 @@ pub fn codegen_crate<B: ExtraBackendMethods>(
// Compile the found CGUs in parallel.
let start_time = Instant::now();
let pre_compiled_cgus = par_iter(cgus)
.map(|(i, _)| {
let module = backend.compile_codegen_unit(tcx, codegen_units[i].name());
(i, module)
})
.collect();
let pre_compiled_cgus = par_map(cgus, |(i, _)| {
let module = backend.compile_codegen_unit(tcx, codegen_units[i].name());
(i, module)
});
total_codegen_time += start_time.elapsed();