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tests/codegen/c-variadic* -> cffi/c-variadic*

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Jubilee Young 2023-07-29 17:30:35 -07:00
parent badba92036
commit f03b31591c
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16
tests/codegen/cffi/c-variadic-copy.rs Normal file
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// Tests that `VaListImpl::clone` gets inlined into a call to `llvm.va_copy`
#![crate_type = "lib"]
#![feature(c_variadic)]
#![no_std]
use core::ffi::VaList;
extern "C" {
fn foreign_c_variadic_1(_: VaList, ...);
}
pub unsafe extern "C" fn clone_variadic(ap: VaList) {
let mut ap2 = ap.clone();
// CHECK: call void @llvm.va_copy
foreign_c_variadic_1(ap2.as_va_list(), 42i32);
}