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Inline and remove WorkItem::start_profiling and execute_work_item.

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They both match on a `WorkItem`. It's simpler to do it all in one place.
This commit is contained in:
Nicholas Nethercote 2023-06-20 17:01:51 +10:00
parent 939786223f
commit c696307a87
1 changed files with 22 additions and 34 deletions
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56
compiler/rustc_codegen_ssa/src/back/write.rs
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@ -11,9 +11,7 @@
use rustc_ast::attr;
use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
use rustc_data_structures::memmap::Mmap;
use rustc_data_structures::profiling::SelfProfilerRef;
use rustc_data_structures::profiling::TimingGuard;
use rustc_data_structures::profiling::VerboseTimingGuard;
use rustc_data_structures::profiling::{SelfProfilerRef, VerboseTimingGuard};
use rustc_data_structures::sync::Lrc;
use rustc_errors::emitter::Emitter;
use rustc_errors::{translation::Translate, DiagnosticId, FatalError, Handler, Level};
@ -705,20 +703,6 @@ pub fn module_kind(&self) -> ModuleKind {
}
}
fn start_profiling<'a>(&self, cgcx: &'a CodegenContext<B>) -> TimingGuard<'a> {
match *self {
WorkItem::Optimize(ref m) => {
cgcx.prof.generic_activity_with_arg("codegen_module_optimize", &*m.name)
}
WorkItem::CopyPostLtoArtifacts(ref m) => cgcx
.prof
.generic_activity_with_arg("codegen_copy_artifacts_from_incr_cache", &*m.name),
WorkItem::LTO(ref m) => {
cgcx.prof.generic_activity_with_arg("codegen_module_perform_lto", m.name())
}
}
}
/// Generate a short description of this work item suitable for use as a thread name.
fn short_description(&self) -> String {
// `pthread_setname()` on *nix is limited to 15 characters and longer names are ignored.
@ -759,21 +743,6 @@ pub enum FatLTOInput<B: WriteBackendMethods> {
InMemory(ModuleCodegen<B::Module>),
}
fn execute_work_item<B: ExtraBackendMethods>(
cgcx: &CodegenContext<B>,
work_item: WorkItem<B>,
) -> Result<WorkItemResult<B>, FatalError> {
let module_config = cgcx.config(work_item.module_kind());
match work_item {
WorkItem::Optimize(module) => execute_optimize_work_item(cgcx, module, module_config),
WorkItem::CopyPostLtoArtifacts(module) => {
Ok(execute_copy_from_cache_work_item(cgcx, module, module_config))
}
WorkItem::LTO(module) => execute_lto_work_item(cgcx, module, module_config),
}
}
/// Actual LTO type we end up choosing based on multiple factors.
pub enum ComputedLtoType {
No,
@ -1706,8 +1675,27 @@ fn drop(&mut self) {
// as a diagnostic was already sent off to the main thread - just
// surface that there was an error in this worker.
bomb.result = {
let _prof_timer = work.start_profiling(&cgcx);
Some(execute_work_item(&cgcx, work))
let module_config = cgcx.config(work.module_kind());
Some(match work {
WorkItem::Optimize(m) => {
let _timer =
cgcx.prof.generic_activity_with_arg("codegen_module_optimize", &*m.name);
execute_optimize_work_item(&cgcx, m, module_config)
}
WorkItem::CopyPostLtoArtifacts(m) => {
let _timer = cgcx.prof.generic_activity_with_arg(
"codegen_copy_artifacts_from_incr_cache",
&*m.name,
);
Ok(execute_copy_from_cache_work_item(&cgcx, m, module_config))
}
WorkItem::LTO(m) => {
let _timer =
cgcx.prof.generic_activity_with_arg("codegen_module_perform_lto", m.name());
execute_lto_work_item(&cgcx, m, module_config)
}
})
};
})
.expect("failed to spawn thread");