Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -verify %s |
Daniel Dunbar | 396b2a2 | 2009-02-16 23:37:57 +0000 | [diff] [blame] | 2 | |
| 3 | int x __attribute__((aligned(3))); // expected-error {{requested alignment is not a power of 2}} |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 4 | int y __attribute__((aligned(1 << 29))); // expected-error {{requested alignment must be 268435456 bytes or smaller}} |
Eli Friedman | dcdafb6 | 2009-02-22 02:56:25 +0000 | [diff] [blame] | 5 | |
| 6 | // PR3254 |
| 7 | short g0[3] __attribute__((aligned)); |
| 8 | short g0_chk[__alignof__(g0) == 16 ? 1 : -1]; |
Douglas Gregor | 1885764 | 2009-04-30 17:32:17 +0000 | [diff] [blame] | 9 | |
| 10 | // <rdar://problem/6840045> |
| 11 | typedef char ueber_aligned_char __attribute__((aligned(8))); |
| 12 | |
| 13 | struct struct_with_ueber_char { |
| 14 | ueber_aligned_char c; |
| 15 | }; |
| 16 | |
John McCall | 4081a5c | 2010-10-08 18:24:19 +0000 | [diff] [blame] | 17 | char a = 0; |
Douglas Gregor | 1885764 | 2009-04-30 17:32:17 +0000 | [diff] [blame] | 18 | |
| 19 | char a0[__alignof__(ueber_aligned_char) == 8? 1 : -1] = { 0 }; |
| 20 | char a1[__alignof__(struct struct_with_ueber_char) == 8? 1 : -1] = { 0 }; |
John McCall | 4081a5c | 2010-10-08 18:24:19 +0000 | [diff] [blame] | 21 | char a2[__alignof__(a) == 1? : -1] = { 0 }; |
| 22 | char a3[sizeof(a) == 1? : -1] = { 0 }; |
| 23 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 24 | typedef long long __attribute__((aligned(1))) underaligned_longlong; |
| 25 | char a4[__alignof__(underaligned_longlong) == 1 ?: -1] = {0}; |
| 26 | |
| 27 | typedef long long __attribute__((aligned(1))) underaligned_complex_longlong; |
| 28 | char a5[__alignof__(underaligned_complex_longlong) == 1 ?: -1] = {0}; |
| 29 | |
John McCall | 4081a5c | 2010-10-08 18:24:19 +0000 | [diff] [blame] | 30 | // rdar://problem/8335865 |
| 31 | int b __attribute__((aligned(2))); |
| 32 | char b1[__alignof__(b) == 2 ?: -1] = {0}; |
| 33 | |
| 34 | struct C { int member __attribute__((aligned(2))); } c; |
| 35 | char c1[__alignof__(c) == 4 ?: -1] = {0}; |
| 36 | char c2[__alignof__(c.member) == 4 ?: -1] = {0}; |
| 37 | |
| 38 | struct D { int member __attribute__((aligned(2))) __attribute__((packed)); } d; |
| 39 | char d1[__alignof__(d) == 2 ?: -1] = {0}; |
| 40 | char d2[__alignof__(d.member) == 2 ?: -1] = {0}; |
| 41 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 42 | struct E { int member __attribute__((aligned(2))); } __attribute__((packed)); |
John McCall | 4081a5c | 2010-10-08 18:24:19 +0000 | [diff] [blame] | 43 | struct E e; |
| 44 | char e1[__alignof__(e) == 2 ?: -1] = {0}; |
| 45 | char e2[__alignof__(e.member) == 2 ?: -1] = {0}; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 46 | |
| 47 | typedef char overaligned_char __attribute__((aligned(16))); |
| 48 | typedef overaligned_char array_with_overaligned_char[11]; |
| 49 | typedef char array_with_align_attr[11] __attribute__((aligned(16))); |
| 50 | |
| 51 | char f0[__alignof__(array_with_overaligned_char) == 16 ? 1 : -1] = { 0 }; |
| 52 | char f1[__alignof__(array_with_align_attr) == 16 ? 1 : -1] = { 0 }; |
| 53 | array_with_overaligned_char F2; |
| 54 | char f2[__alignof__(F2) == 16 ? 1 : -1] = { 0 }; |
| 55 | array_with_align_attr F3; |
| 56 | char f3[__alignof__(F3) == 16 ? 1 : -1] = { 0 }; |