Split exported_symbols for generic and non-generic symbols

This reduces metadata decoder overhead during the monomorphization collector.
2025-06-25 14:19:57 +00:00
parent a17780db7b
commit 753c73a349
10 changed files with 86 additions and 37 deletions
--- a/compiler/rustc_codegen_ssa/src/back/write.rs
+++ b/compiler/rustc_codegen_ssa/src/back/write.rs
@@ -1124,8 +1124,9 @@ fn start_executing_work<B: ExtraBackendMethods>(

        let copy_symbols = |cnum| {
            let symbols = tcx
-                .exported_symbols(cnum)
+                .exported_non_generic_symbols(cnum)
                .iter()
+                .chain(tcx.exported_generic_symbols(cnum))
                .map(|&(s, lvl)| (symbol_name_for_instance_in_crate(tcx, s, cnum), lvl))
                .collect();
            Arc::new(symbols)