1// RUN: %clang_cc1 -fsyntax-only -verify %s 2 3void f1() { 4 // PR7673: Some versions of GCC support an empty clobbers section. 5 asm ("ret" : : :); 6} 7 8void 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'. 24int foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}} 25 26asm() // expected-error {{expected string literal in 'asm'}} 27// expected-error@-1 {{expected ';' after top-level asm block}} 28 29asm(; // expected-error {{expected string literal in 'asm'}} 30 31asm("") // 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}} 38asm(" 39