| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| void f1() { |
| // PR7673: Some versions of GCC support an empty clobbers section. |
| asm ("ret" : : :); |
| } |
| |
| void f2() { |
| asm("foo" : "=r" (a)); // expected-error {{use of undeclared identifier 'a'}} |
| asm("foo" : : "r" (b)); // expected-error {{use of undeclared identifier 'b'}} |
| |
| asm const (""); // expected-warning {{ignored const qualifier on asm}} |
| asm volatile (""); |
| asm restrict (""); // expected-warning {{ignored restrict qualifier on asm}} |
| // FIXME: Once GCC supports _Atomic, check whether it allows this. |
| asm _Atomic (""); // expected-warning {{ignored _Atomic qualifier on asm}} |
| } |
| |
| |
| // rdar://5952468 |
| __asm ; // expected-error {{expected '(' after 'asm'}} |
| |
| // <rdar://problem/10465079> - Don't crash on wide string literals in 'asm'. |
| int foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}} |
| |
| asm() // expected-error {{expected string literal in 'asm'}} |
| // expected-error@-1 {{expected ';' after top-level asm block}} |
| |
| asm(; // expected-error {{expected string literal in 'asm'}} |
| |
| asm("") // expected-error {{expected ';' after top-level asm block}} |
| |
| // Unterminated asm strings at the end of the file were causing us to crash, so |
| // this needs to be last. rdar://15624081 |
| // expected-warning@+3 {{missing terminating '"' character}} |
| // expected-error@+2 {{expected string literal in 'asm'}} |
| // expected-error@+1 {{expected ';' after top-level asm block}} |
| asm(" |
