| // RUN: clang %s -arch=i386 -verify -fsyntax-only |
| |
| void f() { |
| int i; |
| |
| asm ("foo\n" : : "a" (i + 2)); |
| asm ("foo\n" : : "a" (f())); // expected-error {{invalid type 'void' in asm input}} |
| |
| asm ("foo\n" : "=a" (f())); // expected-error {{invalid lvalue in asm output}} |
| asm ("foo\n" : "=a" (i + 2)); // expected-error {{invalid lvalue in asm output}} |
| |
| asm ("foo\n" : [symbolic_name] "=a" (i) : "[symbolic_name]" (i)); |
| asm ("foo\n" : "=a" (i) : "[" (i)); // expected-error {{invalid input constraint '[' in asm}} |
| asm ("foo\n" : "=a" (i) : "[foo" (i)); // expected-error {{invalid input constraint '[foo' in asm}} |
| asm ("foo\n" : "=a" (i) : "[symbolic_name]" (i)); // expected-error {{invalid input constraint '[symbolic_name]' in asm}} |
| } |
| |
| void clobbers() { |
| asm ("nop" : : : "ax", "#ax", "%ax"); |
| asm ("nop" : : : "eax", "rax", "ah", "al"); |
| asm ("nop" : : : "0", "%0", "#0"); |
| asm ("nop" : : : "foo"); // expected-error {{unknown register name 'foo' in asm}} |
| asm ("nop" : : : "52"); |
| asm ("nop" : : : "53"); // expected-error {{unknown register name '53' in asm}} |
| asm ("nop" : : : "-1"); // expected-error {{unknown register name '-1' in asm}} |
| asm ("nop" : : : "+1"); // expected-error {{unknown register name '+1' in asm}} |
| } |
| |
| // rdar://6094010 |
| void test3() { |
| int x; |
| asm(L"foo" : "=r"(x)); // expected-error {{wide string}} |
| asm("foo" : L"=r"(x)); // expected-error {{wide string}} |
| } |
| |
| // <rdar://problem/6156893> |
| void test4(const volatile void *addr) |
| { |
| asm ("nop" : : "r"(*addr)); // expected-error {{invalid type 'void const volatile' in asm input for constraint 'r'}} |
| asm ("nop" : : "m"(*addr)); |
| |
| asm ("nop" : : "r"(test4(addr))); // expected-error {{invalid type 'void' in asm input for constraint 'r'}} |
| asm ("nop" : : "m"(test4(addr))); // expected-error {{invalid lvalue in asm input for constraint 'm'}} |
| |
| asm ("nop" : : "m"(f())); // expected-error {{invalid lvalue in asm input for constraint 'm'}} |
| } |
| |
| // <rdar://problem/6512595> |
| void test5() { |
| asm("nop" : : "X" (8)); |
| } |
| |
| // PR3385 |
| void test6(long i) { |
| asm("nop" : : "er"(i)); |
| } |
| |
| void asm_string_tests(int i) { |
| asm("%!"); // simple asm string, %! is not an error. |
| asm("%!" : ); // expected-error {{invalid % escape in inline assembly string}} |
| asm("xyz %" : ); // expected-error {{invalid % escape in inline assembly string}} |
| |
| asm ("%[somename]" :: [somename] "i"(4)); // ok |
| asm ("%[somename]" :: "i"(4)); // expected-error {{unknown symbolic operand name in inline assembly string}} |
| asm ("%[somename" :: "i"(4)); // expected-error {{unterminated symbolic operand name in inline assembly string}} |
| asm ("%[]" :: "i"(4)); // expected-error {{empty symbolic operand name in inline assembly string}} |
| |
| // PR3258 |
| asm("%9" :: "i"(4)); // expected-error {{invalid operand number in inline asm string}} |
| asm("%1" : "+r"(i)); // ok, referring to input. |
| } |