Use non-recursive algorithm in non-parallel compiler.

This commit is contained in:
Camille GILLOT 2021-09-08 17:24:03 +02:00
parent 6bbb0792ea
commit 91575f89cc

View File

@ -6,7 +6,6 @@ use rustc_ast as ast;
use rustc_data_structures::fingerprint::Fingerprint;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::svh::Svh;
use rustc_data_structures::sync::{self, par_iter};
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, CRATE_DEF_ID, CRATE_DEF_INDEX, LOCAL_CRATE};
use rustc_hir::definitions::{DefKey, DefPath, DefPathHash};
@ -571,13 +570,20 @@ impl<'hir> Map<'hir> {
}
}
pub fn par_for_each_module(&self, f: impl Fn(LocalDefId) + sync::Sync) {
use rustc_data_structures::sync::ParallelIterator;
#[cfg(not(parallel_compiler))]
#[inline]
pub fn par_for_each_module(&self, f: impl Fn(LocalDefId)) {
self.for_each_module(f)
}
#[cfg(parallel_compiler)]
pub fn par_for_each_module(&self, f: impl Fn(LocalDefId) + Sync) {
use rustc_data_structures::sync::{par_iter, ParallelIterator};
par_iter_submodules(self.tcx, CRATE_DEF_ID, &f);
fn par_iter_submodules<F>(tcx: TyCtxt<'_>, module: LocalDefId, f: &F)
where
F: Fn(LocalDefId) + sync::Sync,
F: Fn(LocalDefId) + Sync,
{
(*f)(module);
let items = tcx.hir_module_items(module);