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Mark naked functions as never inline in codegen_fn_attrs

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Use code generation attributes to ensure that naked functions are never
inline, replacing separate checks in MIR inliner and LLVM code
generation.
This commit is contained in:
Tomasz Miąsko 2022-12-02 00:00:00 +00:00
parent c955add18c
commit b740cdcf43
3 changed files with 7 additions and 11 deletions
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13
compiler/rustc_codegen_llvm/src/attributes.rs
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@ -258,13 +258,12 @@ pub fn from_fn_attrs<'ll, 'tcx>(
OptimizeAttr::Speed => {}
}
let inline = if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) {
InlineAttr::Never
} else if codegen_fn_attrs.inline == InlineAttr::None && instance.def.requires_inline(cx.tcx) {
InlineAttr::Hint
} else {
codegen_fn_attrs.inline
};
let inline =
if codegen_fn_attrs.inline == InlineAttr::None && instance.def.requires_inline(cx.tcx) {
InlineAttr::Hint
} else {
codegen_fn_attrs.inline
};
to_add.extend(inline_attr(cx, inline));
// The `uwtable` attribute according to LLVM is: