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use cfg attribute instead of macro

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This commit is contained in:
klensy 2022-02-08 22:21:16 +03:00
parent 1fca19c8ca
commit 78fbcca3e1
1 changed files with 24 additions and 22 deletions
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10
compiler/rustc_codegen_ssa/src/base.rs
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@ -14,6 +14,8 @@
use rustc_attr as attr; use rustc_attr as attr;
use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry}; use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry};
#[cfg(parallel_compiler)]
use rustc_data_structures::sync::{par_iter, ParallelIterator}; use rustc_data_structures::sync::{par_iter, ParallelIterator};
use rustc_hir as hir; use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_hir::def_id::{DefId, LOCAL_CRATE};
@ -622,8 +624,8 @@ pub fn codegen_crate<B: ExtraBackendMethods>(
// This likely is a temporary measure. Once we don't have to support the // 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 // non-parallel compiler anymore, we can compile CGUs end-to-end in
// parallel and get rid of the complicated scheduling logic. // parallel and get rid of the complicated scheduling logic.
#[cfg(parallel_compiler)]
let pre_compile_cgus = |cgu_reuse: &[CguReuse]| { let pre_compile_cgus = |cgu_reuse: &[CguReuse]| {
if cfg!(parallel_compiler) {
tcx.sess.time("compile_first_CGU_batch", || { tcx.sess.time("compile_first_CGU_batch", || {
// Try to find one CGU to compile per thread. // Try to find one CGU to compile per thread.
let cgus: Vec<_> = cgu_reuse let cgus: Vec<_> = cgu_reuse
@ -645,11 +647,11 @@ pub fn codegen_crate<B: ExtraBackendMethods>(
(pre_compiled_cgus, start_time.elapsed()) (pre_compiled_cgus, start_time.elapsed())
}) })
} else {
(FxHashMap::default(), Duration::new(0, 0))
}
}; };
#[cfg(not(parallel_compiler))]
let pre_compile_cgus = |_: &[CguReuse]| (FxHashMap::default(), Duration::new(0, 0));
let mut cgu_reuse = Vec::new(); let mut cgu_reuse = Vec::new();
let mut pre_compiled_cgus: Option<FxHashMap<usize, _>> = None; let mut pre_compiled_cgus: Option<FxHashMap<usize, _>> = None;
let mut total_codegen_time = Duration::new(0, 0); let mut total_codegen_time = Duration::new(0, 0);