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Remove unreachable unsized arg handling in store_fn_arg/store_arg in codegen

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Zachary S
2025-09-12 09:49:41 -05:00
parent 408eacfb95
commit baed55ccef
2 changed files with 5 additions and 15 deletions
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11
compiler/rustc_codegen_llvm/src/abi.rs
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@@ -215,9 +215,9 @@ impl<'ll, 'tcx> ArgAbiExt<'ll, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
let align = attrs.pointee_align.unwrap_or(self.layout.align.abi);
OperandValue::Ref(PlaceValue::new_sized(val, align)).store(bx, dst);
}
// Unsized indirect qrguments
// Unsized indirect arguments cannot be stored
PassMode::Indirect { attrs: _, meta_attrs: Some(_), on_stack: _ } => {
bug!("unsized `ArgAbi` must be handled through `store_fn_arg`");
bug!("unsized `ArgAbi` cannot be stored");
}
PassMode::Cast { cast, pad_i32: _ } => {
// The ABI mandates that the value is passed as a different struct representation.
@@ -272,12 +272,7 @@ impl<'ll, 'tcx> ArgAbiExt<'ll, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
OperandValue::Pair(next(), next()).store(bx, dst);
}
PassMode::Indirect { attrs: _, meta_attrs: Some(_), on_stack: _ } => {
let place_val = PlaceValue {
llval: next(),
llextra: Some(next()),
align: self.layout.align.abi,
};
OperandValue::Ref(place_val).store(bx, dst);
bug!("unsized `ArgAbi` cannot be stored");
}
PassMode::Direct(_)
| PassMode::Indirect { attrs: _, meta_attrs: None, on_stack: _ }