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Diffstat (limited to '')
-rw-r--r-- | src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs b/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs new file mode 100644 index 000000000..db5b60567 --- /dev/null +++ b/src/test/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs @@ -0,0 +1,43 @@ +// +// compile-flags: -C no-prepopulate-passes + +#![crate_type = "lib"] + +#![allow(non_camel_case_types)] +#![feature(repr_simd, platform_intrinsics, min_const_generics)] + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct S<const N: usize>([f32; N]); + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct T([f32; 4]); + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct U(f32, f32, f32, f32); + +// CHECK-LABEL: @build_array_s +#[no_mangle] +pub fn build_array_s(x: [f32; 4]) -> S<4> { + // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) + S::<4>(x) +} + +// CHECK-LABEL: @build_array_t +#[no_mangle] +pub fn build_array_t(x: [f32; 4]) -> T { + // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) + T(x) +} + +// CHECK-LABEL: @build_array_u +#[no_mangle] +pub fn build_array_u(x: [f32; 4]) -> U { + // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}({{.*}}, i{{[0-9]+}} 16, i1 false) + unsafe { std::mem::transmute(x) } +} |