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ensure sret is actually pointer type instead of just assuming

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Brendan Hansknecht 2022-07-18 22:35:39 -07:00
parent 8bc6131b3d
commit 057e4ea57a
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1 changed files with 7 additions and 4 deletions
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11
crates/compiler/gen_llvm/src/llvm/build.rs
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@ -6460,10 +6460,13 @@ impl<'ctx> FunctionSpec<'ctx> {
let sret_attribute_id = Attribute::get_named_enum_kind_id("sret");
debug_assert!(sret_attribute_id > 0);
let ret_typ = self.typ.get_param_types()[param_index as usize];
// ret_typ is a pointer type. We need the base type here.
let ret_base_typ = ret_typ.into_pointer_type().get_element_type();
let sret_attribute =
ctx.create_type_attribute(sret_attribute_id, ret_base_typ.as_any_type_enum());
// if ret_typ is a pointer type. We need the base type here.
let ret_base_typ = if ret_typ.is_pointer_type() {
ret_typ.into_pointer_type().get_element_type()
} else {
ret_typ.as_any_type_enum()
};
let sret_attribute = ctx.create_type_attribute(sret_attribute_id, ret_base_typ);
fn_val.add_attribute(AttributeLoc::Param(0), sret_attribute);
}
}