blob: 0a62545a1e084a41ae38cf3956791479d81785c5 [file] [log] [blame]
// RUN: clang-cc %s -triple i386-pc-linux-gnu -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.
}
// PR4077
int test7(unsigned long long b) {
int a;
asm volatile("foo %0 %1" : "=a" (a) :"0" (b)); // expected-error {{input with type 'unsigned long long' matching output with type 'int'}}
return a;
}