| //@ compile-flags: -C no-prepopulate-passes |
| |
| #![crate_type = "rlib"] |
| |
| #[repr(align(16))] |
| pub struct S { |
| arr: [u32; 4], |
| } |
| |
| // CHECK-LABEL: @test1 |
| // CHECK: store i32 0, ptr %{{.+}}, align 16 |
| // CHECK: store i32 1, ptr %{{.+}}, align 4 |
| // CHECK: store i32 2, ptr %{{.+}}, align 8 |
| // CHECK: store i32 3, ptr %{{.+}}, align 4 |
| #[no_mangle] |
| pub fn test1(s: &mut S) { |
| s.arr[0] = 0; |
| s.arr[1] = 1; |
| s.arr[2] = 2; |
| s.arr[3] = 3; |
| } |
| |
| // CHECK-LABEL: @test2 |
| // CHECK: store i32 4, ptr %{{.+}}, align 4 |
| #[allow(unconditional_panic)] |
| #[no_mangle] |
| pub fn test2(s: &mut S) { |
| s.arr[usize::MAX / 4 + 1] = 4; |
| } |
| |
| // CHECK-LABEL: @test3 |
| // CHECK: store i32 5, ptr %{{.+}}, align 4 |
| #[no_mangle] |
| pub fn test3(s: &mut S, i: usize) { |
| s.arr[i] = 5; |
| } |
| |
| // CHECK-LABEL: @test4 |
| // CHECK: store i32 6, ptr %{{.+}}, align 4 |
| #[no_mangle] |
| pub fn test4(s: &mut S) { |
| s.arr = [6; 4]; |
| } |
