1 // compile-flags: -C no-prepopulate-passes
2 // ignore-tidy-linelength
13 // CHECK-LABEL: small_array_alignment
14 // The array is stored as i32, but its alignment is lower, go with 1 byte to avoid target
15 // dependent alignment
17 pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) {
18 // CHECK: [[TMP:%.+]] = alloca i32
19 // CHECK: %y = alloca [4 x i8]
20 // CHECK: store i32 %0, i32* [[TMP]]
21 // CHECK: [[Y8:%[0-9]+]] = bitcast [4 x i8]* %y to i8*
22 // CHECK: [[TMP8:%[0-9]+]] = bitcast i32* [[TMP]] to i8*
23 // CHECK: call void @llvm.memcpy.{{.*}}(i8* align 1 [[Y8]], i8* align 4 [[TMP8]], i{{[0-9]+}} 4, i1 false)
27 // CHECK-LABEL: small_struct_alignment
28 // The struct is stored as i32, but its alignment is lower, go with 1 byte to avoid target
29 // dependent alignment
31 pub fn small_struct_alignment(x: &mut Bytes, y: Bytes) {
32 // CHECK: [[TMP:%.+]] = alloca i32
33 // CHECK: %y = alloca %Bytes
34 // CHECK: store i32 %0, i32* [[TMP]]
35 // CHECK: [[Y8:%[0-9]+]] = bitcast %Bytes* %y to i8*
36 // CHECK: [[TMP8:%[0-9]+]] = bitcast i32* [[TMP]] to i8*
37 // CHECK: call void @llvm.memcpy.{{.*}}(i8* align 1 [[Y8]], i8* align 4 [[TMP8]], i{{[0-9]+}} 4, i1 false)