1 files changed, 43 insertions, 0 deletions
diff --git a/tests/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs b/tests/codegen/simd-intrinsic/simd-intrinsic-transmute-array.rs
new file mode 100644
index 000000000..db5b60567
--- /dev/null
+++ b/tests/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) }
+}