Implement optimize(none) attribute

2024-12-09 19:00:43 +00:00
parent dee7d0e730
commit cd848c9f3e
8 changed files with 45 additions and 14 deletions
--- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
+++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
@@ -592,6 +592,8 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs {
                OptimizeAttr::Size
            } else if list_contains_name(items, sym::speed) {
                OptimizeAttr::Speed
+            } else if list_contains_name(items, sym::none) {
+                OptimizeAttr::DoNotOptimize
            } else {
                err(items[0].span(), "invalid argument");
                OptimizeAttr::None