| Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| Anders Carlsson | eecf847 | 2007-11-21 23:27:34 +0000 | [diff] [blame] | 2 | |
| 3 | void f1() { |
| Chandler Carruth | 102e1b6 | 2010-07-22 07:11:21 +0000 | [diff] [blame] | 4 | // PR7673: Some versions of GCC support an empty clobbers section. |
| 5 | asm ("ret" : : :); |
| Anders Carlsson | eecf847 | 2007-11-21 23:27:34 +0000 | [diff] [blame] | 6 | } |
| Anders Carlsson | 8bd36fc | 2008-02-09 19:57:29 +0000 | [diff] [blame] | 7 | |
| 8 | void f2() { |
| 9 | asm("foo" : "=r" (a)); // expected-error {{use of undeclared identifier 'a'}} |
| 10 | asm("foo" : : "r" (b)); // expected-error {{use of undeclared identifier 'b'}} |
| Richard Smith | 4cf4a5e | 2013-03-28 01:55:44 +0000 | [diff] [blame^] | 11 | |
| 12 | asm const (""); // expected-warning {{ignored const qualifier on asm}} |
| 13 | asm volatile (""); |
| 14 | asm restrict (""); // expected-warning {{ignored restrict qualifier on asm}} |
| 15 | // FIXME: Once GCC supports _Atomic, check whether it allows this. |
| 16 | asm _Atomic (""); // expected-warning {{ignored _Atomic qualifier on asm}} |
| Anders Carlsson | 8bd36fc | 2008-02-09 19:57:29 +0000 | [diff] [blame] | 17 | } |
| Chris Lattner | aec3a1e | 2008-05-27 23:32:43 +0000 | [diff] [blame] | 18 | |
| 19 | |
| 20 | // rdar://5952468 |
| 21 | __asm ; // expected-error {{expected '(' after 'asm'}} |
| 22 | |
| Ted Kremenek | 7f42228 | 2011-12-02 00:35:46 +0000 | [diff] [blame] | 23 | // <rdar://problem/10465079> - Don't crash on wide string literals in 'asm'. |
| 24 | int foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}} |
| 25 | |