text: // RUN: %clang_cc1 %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" : : : "104"); // expected-error {{unknown register name '104' 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 'const volatile void' 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;
  }
  
  // <rdar://problem/7574870>
  asm volatile (""); // expected-warning {{meaningless 'volatile' on asm outside function}}
  
  // PR3904
  void test8(int i) {
    // A number in an input constraint can't point to a read-write constraint.
    asm("" : "+r" (i), "=r"(i) :  "0" (i)); // expected-error{{invalid input constraint '0' in asm}}
  }
  
  // PR3905
  void test9(int i) {
    asm("" : [foo] "=r" (i), "=r"(i) : "1[foo]"(i)); // expected-error{{invalid input constraint '1[foo]' in asm}}
    asm("" : [foo] "=r" (i), "=r"(i) : "[foo]1"(i)); // expected-error{{invalid input constraint '[foo]1' in asm}}
  }
  
  register int g asm("dx"); // expected-error{{global register variables are not supported}}
  
  void test10(void){
    static int g asm ("g_asm") = 0;
    extern int gg asm ("gg_asm");
    __private_extern__ int ggg asm ("ggg_asm");
  
    int a asm ("a_asm"); // expected-warning{{ignored asm label 'a_asm' on automatic variable}}
    auto int aa asm ("aa_asm"); // expected-warning{{ignored asm label 'aa_asm' on automatic variable}}
  
    register int r asm ("cx");
    register int rr asm ("rr_asm"); // expected-error{{unknown register name 'rr_asm' in asm}}
  }
  
  // This is just an assert because of the boolean conversion.
  // Feel free to change the assembly to something sensible if it causes a problem.
  // rdar://problem/9414925
  void test11(void) {
    _Bool b;
    asm volatile ("movb %%gs:%P2,%b0" : "=q"(b) : "0"(0), "i"(5L));
  }
  
  void test12(void) {
    register int cc __asm ("cc"); // expected-error{{unknown register name 'cc' in asm}}
  }
  
  // PR10223
  void test13(void) {
    void *esp;
    __asm__ volatile ("mov %%esp, %o" : "=r"(esp) : : ); // expected-error {{invalid % escape in inline assembly string}}
  }
  