// compile-flags: -C no-prepopulate-passes
#![crate_type = "lib"]
+#![feature(rustc_attrs)]
pub struct Bytes {
a: u8,
// The array is stored as i32, but its alignment is lower, go with 1 byte to avoid target
// dependent alignment
#[no_mangle]
+#[rustc_no_mir] // FIXME #27840 MIR has different codegen.
pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) {
// CHECK: [[VAR:%[0-9]+]] = bitcast [4 x i8]* %y to i32*
// CHECK: store i32 %{{.*}}, i32* [[VAR]], align 1
// The struct is stored as i32, but its alignment is lower, go with 1 byte to avoid target
// dependent alignment
#[no_mangle]
+#[rustc_no_mir] // FIXME #27840 MIR has different codegen.
pub fn small_struct_alignment(x: &mut Bytes, y: Bytes) {
// CHECK: [[VAR:%[0-9]+]] = bitcast %Bytes* %y to i32*
// CHECK: store i32 %{{.*}}, i32* [[VAR]], align 1