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Rollup merge of #145429 - bjorn3:codegen_fn_attrs_improvements, r=jdonszelmann

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Couple of codegen_fn_attrs improvements

As noted in https://github.com/rust-lang/rust/pull/144678#discussion_r2245060329 here is no need to keep link_name and export_name separate, which the third commit fixes by merging them. The second commit removes some dead code and the first commit merges two ifs with equivalent conditions. The last commit is an unrelated change which removes an unused `feature(autodiff)`.
This commit is contained in:
许杰友 Jieyou Xu (Joe)
2025-08-19 19:45:31 +08:00
committed by GitHub
parent 99de64bac7 f94a0d0ca4
commit 62227334ae
9 changed files with 43 additions and 63 deletions
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2
compiler/rustc_codegen_llvm/src/attributes.rs
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@@ -497,7 +497,7 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>(
to_add.push(llvm::CreateAttrStringValue(cx.llcx, "wasm-import-module", module));
let name =
codegen_fn_attrs.link_name.unwrap_or_else(|| cx.tcx.item_name(instance.def_id()));
codegen_fn_attrs.symbol_name.unwrap_or_else(|| cx.tcx.item_name(instance.def_id()));
let name = name.as_str();
to_add.push(llvm::CreateAttrStringValue(cx.llcx, "wasm-import-name", name));
}