mirror of https://github.com/rust-lang/rust.git
34 lines
909 B
Rust
34 lines
909 B
Rust
//@ known-bug: #137108
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//@compile-flags: -Copt-level=3
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// If you fix this, put it in the corresponding codegen test,
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// not in a UI test like the readme says.
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#![crate_type = "lib"]
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#![feature(repr_simd, core_intrinsics)]
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#[allow(non_camel_case_types)]
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#[derive(Clone, Copy)]
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#[repr(simd)]
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struct i32x3([i32; 3]);
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const _: () = { assert!(size_of::<i32x3>() == 16) };
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#[inline(always)]
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fn to_array3(a: i32x3) -> [i32; 3] {
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a.0
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}
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// CHECK-LABEL: simd_add_self_then_return_array_packed(
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// CHECK-SAME: ptr{{.+}}sret{{.+}}%[[RET:.+]],
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// CHECK-SAME: ptr{{.+}}%a)
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#[no_mangle]
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pub fn simd_add_self_then_return_array_packed(a: i32x3) -> [i32; 3] {
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// CHECK: %[[T1:.+]] = load <3 x i32>, ptr %a
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// CHECK: %[[T2:.+]] = shl <3 x i32> %[[T1]], <i32 1, i32 1, i32 1>
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// CHECK: store <3 x i32> %[[T2]], ptr %[[RET]]
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let b = unsafe { core::intrinsics::simd::simd_add(a, a) };
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to_array3(b)
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}
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