1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 void f1() { 4 // PR7673: Some versions of GCC support an empty clobbers section. 5 asm ("ret" : : :); 6 } 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'}} 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}} 17 } 18 19 20 // rdar://5952468 21 __asm ; // expected-error {{expected '(' after 'asm'}} 22 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 26 asm() // expected-error {{expected string literal in 'asm'}} 27 // expected-error@-1 {{expected ';' after top-level asm block}} 28 29 asm(; // expected-error {{expected string literal in 'asm'}} 30 31 asm("") // expected-error {{expected ';' after top-level asm block}} 32 33 // Unterminated asm strings at the end of the file were causing us to crash, so 34 // this needs to be last. rdar://15624081 35 // expected-warning@+3 {{missing terminating '"' character}} 36 // expected-error@+2 {{expected string literal in 'asm'}} 37 // expected-error@+1 {{expected ';' after top-level asm block}} 38 asm(" 39
