45 lines
1.4 KiB
Rust
45 lines
1.4 KiB
Rust
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// ignore-tidy-linelength
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// compile-flags: -C no-prepopulate-passes
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// min-llvm-version 8.0
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#![crate_type = "lib"]
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#![allow(non_camel_case_types, incomplete_features)]
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#![feature(repr_simd, platform_intrinsics, const_generics)]
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct S<const N: usize>([f32; N]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct T([f32; 4]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct U(f32, f32, f32, f32);
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// CHECK-LABEL: @build_array_s
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#[no_mangle]
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pub fn build_array_s(x: [f32; 4]) -> S<4> {
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %{{[0-9]+}}, i8* {{.*}} %3, i64 16, i1 false)
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %{{[0-9]+}}, i8* {{.*}} %6, i64 16, i1 false)
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S::<4>(x)
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}
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// CHECK-LABEL: @build_array_t
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#[no_mangle]
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pub fn build_array_t(x: [f32; 4]) -> T {
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %{{[0-9]+}}, i8* {{.*}} %3, i64 16, i1 false)
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %{{[0-9]+}}, i8* {{.*}} %6, i64 16, i1 false)
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T(x)
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}
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// CHECK-LABEL: @build_array_u
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#[no_mangle]
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pub fn build_array_u(x: [f32; 4]) -> U {
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %{{[0-9]+}}, i8* {{.*}} %3, i64 16, i1 false)
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}} %{{[0-9]+}}, i8* {{.*}} %6, i64 16, i1 false)
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unsafe { std::mem::transmute(x) }
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}
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