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// RUN: %clang_cc1 -fsyntax-only -verify %s
#if !__has_extension(gnu_asm)
#error Extension 'gnu_asm' should be available by default
#endif
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("
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