Nick Lewycky | 32d4abf | 2012-01-24 21:28:47 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple=x86_64-pc-linux-gnu -Wover-aligned %s -isystem %S/Inputs -verify |
Nick Lewycky | fca84b2 | 2012-01-24 21:15:41 +0000 | [diff] [blame] | 2 | |
| 3 | // This test ensures that we still get the warning even if we #include <new> |
| 4 | // where the header here simulates <new>. |
| 5 | #include <warn-new-overaligned-3.h> |
| 6 | |
Nick Lewycky | 507a8a3 | 2012-02-04 03:30:14 +0000 | [diff] [blame] | 7 | namespace test1 { |
Nick Lewycky | fca84b2 | 2012-01-24 21:15:41 +0000 | [diff] [blame] | 8 | struct Test { |
| 9 | template <typename T> |
| 10 | struct SeparateCacheLines { |
| 11 | T data; |
| 12 | } __attribute__((aligned(256))); |
| 13 | |
| 14 | SeparateCacheLines<int> high_contention_data[10]; |
| 15 | }; |
| 16 | |
| 17 | void helper() { |
| 18 | Test t; |
Nick Lewycky | 507a8a3 | 2012-02-04 03:30:14 +0000 | [diff] [blame] | 19 | new Test; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}} |
| 20 | new Test[10]; // expected-warning {{type 'test1::Test' requires 256 bytes of alignment and the default allocator only guarantees}} |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | namespace test2 { |
| 25 | struct helper { int i __attribute__((aligned(256))); }; |
| 26 | |
| 27 | struct Placement { |
| 28 | Placement() { |
| 29 | new (d) helper(); |
| 30 | } |
| 31 | helper *d; |
| 32 | }; |
Nick Lewycky | fca84b2 | 2012-01-24 21:15:41 +0000 | [diff] [blame] | 33 | } |