// 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: %y = alloca [4 x i8]
+// CHECK: %arg1 = alloca [4 x i8]
// CHECK: [[TMP:%.+]] = alloca i32
// CHECK: store i32 %1, i32* [[TMP]]
-// CHECK: [[Y8:%[0-9]+]] = bitcast [4 x i8]* %y to i8*
+// CHECK: [[Y8:%[0-9]+]] = bitcast [4 x i8]* %arg1 to i8*
// CHECK: [[TMP8:%[0-9]+]] = bitcast i32* [[TMP]] to i8*
// CHECK: call void @llvm.memcpy.{{.*}}(i8* [[Y8]], i8* [[TMP8]], i{{[0-9]+}} 4, i32 1, i1 false)
*x = y;
// 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: %y = alloca %Bytes
+// CHECK: %arg1 = alloca %Bytes
// CHECK: [[TMP:%.+]] = alloca i32
// CHECK: store i32 %1, i32* [[TMP]]
-// CHECK: [[Y8:%[0-9]+]] = bitcast %Bytes* %y to i8*
+// CHECK: [[Y8:%[0-9]+]] = bitcast %Bytes* %arg1 to i8*
// CHECK: [[TMP8:%[0-9]+]] = bitcast i32* [[TMP]] to i8*
// CHECK: call void @llvm.memcpy.{{.*}}(i8* [[Y8]], i8* [[TMP8]], i{{[0-9]+}} 4, i32 1, i1 false)
*x = y;