1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s 2*67e74705SXin Li f1()3*67e74705SXin Livoid f1() { 4*67e74705SXin Li // PR7673: Some versions of GCC support an empty clobbers section. 5*67e74705SXin Li asm ("ret" : : :); 6*67e74705SXin Li } 7*67e74705SXin Li f2()8*67e74705SXin Livoid f2() { 9*67e74705SXin Li asm("foo" : "=r" (a)); // expected-error {{use of undeclared identifier 'a'}} 10*67e74705SXin Li asm("foo" : : "r" (b)); // expected-error {{use of undeclared identifier 'b'}} 11*67e74705SXin Li 12*67e74705SXin Li asm const (""); // expected-warning {{ignored const qualifier on asm}} 13*67e74705SXin Li asm volatile (""); 14*67e74705SXin Li asm restrict (""); // expected-warning {{ignored restrict qualifier on asm}} 15*67e74705SXin Li // FIXME: Once GCC supports _Atomic, check whether it allows this. 16*67e74705SXin Li asm _Atomic (""); // expected-warning {{ignored _Atomic qualifier on asm}} 17*67e74705SXin Li } 18*67e74705SXin Li 19*67e74705SXin Li 20*67e74705SXin Li // rdar://5952468 21*67e74705SXin Li __asm ; // expected-error {{expected '(' after 'asm'}} 22*67e74705SXin Li 23*67e74705SXin Li // <rdar://problem/10465079> - Don't crash on wide string literals in 'asm'. 24*67e74705SXin Li int foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}} 25*67e74705SXin Li 26*67e74705SXin Li asm() // expected-error {{expected string literal in 'asm'}} 27*67e74705SXin Li // expected-error@-1 {{expected ';' after top-level asm block}} 28*67e74705SXin Li 29*67e74705SXin Li asm(; // expected-error {{expected string literal in 'asm'}} 30*67e74705SXin Li 31*67e74705SXin Li asm("") // expected-error {{expected ';' after top-level asm block}} 32*67e74705SXin Li 33*67e74705SXin Li // Unterminated asm strings at the end of the file were causing us to crash, so 34*67e74705SXin Li // this needs to be last. rdar://15624081 35*67e74705SXin Li // expected-warning@+3 {{missing terminating '"' character}} 36*67e74705SXin Li // expected-error@+2 {{expected string literal in 'asm'}} 37*67e74705SXin Li // expected-error@+1 {{expected ';' after top-level asm block}} 38*67e74705SXin Li asm(" 39