32 lines
703 B
Rust
32 lines
703 B
Rust
//! This test checks that types of up to 128 bits are returned by-value instead of via out-pointer.
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// compile-flags: -C no-prepopulate-passes -O
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// only-x86_64
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#![crate_type = "lib"]
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pub struct S {
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a: u64,
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b: u32,
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c: u32,
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}
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// CHECK: define i128 @modify(%S* noalias nocapture dereferenceable(16) %s)
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#[no_mangle]
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pub fn modify(s: S) -> S {
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S { a: s.a + s.a, b: s.b + s.b, c: s.c + s.c }
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}
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#[repr(packed)]
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pub struct TooBig {
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a: u64,
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b: u32,
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c: u32,
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d: u8,
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}
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// CHECK: define void @m_big(%TooBig* [[ATTRS:.*sret.*]], %TooBig* [[ATTRS2:.*]] %s)
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#[no_mangle]
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pub fn m_big(s: TooBig) -> TooBig {
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TooBig { a: s.a + s.a, b: s.b + s.b, c: s.c + s.c, d: s.d + s.d }
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}
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