asm.c revision 03eb543cf7ebee463b33b5802b83ac92c21770cf
1// RUN: clang %s -arch=i386 -verify -fsyntax-only 2 3void 4f() 5{ 6 int i; 7 8 asm ("foo\n" : : "a" (i + 2)); 9 asm ("foo\n" : : "a" (f())); // expected-error {{invalid type 'void' in asm input}} 10 11 asm ("foo\n" : "=a" (f())); // expected-error {{invalid lvalue in asm output}} 12 asm ("foo\n" : "=a" (i + 2)); // expected-error {{invalid lvalue in asm output}} 13 14 asm ("foo\n" : [symbolic_name] "=a" (i) : "[symbolic_name]" (i)); 15 asm ("foo\n" : "=a" (i) : "[" (i)); // expected-error {{invalid input constraint '[' in asm}} 16 asm ("foo\n" : "=a" (i) : "[foo" (i)); // expected-error {{invalid input constraint '[foo' in asm}} 17 asm ("foo\n" : "=a" (i) : "[symbolic_name]" (i)); // expected-error {{invalid input constraint '[symbolic_name]' in asm}} 18} 19 20void 21clobbers() 22{ 23 asm ("nop" : : : "ax", "#ax", "%ax"); 24 asm ("nop" : : : "eax", "rax", "ah", "al"); 25 asm ("nop" : : : "0", "%0", "#0"); 26 asm ("nop" : : : "foo"); // expected-error {{unknown register name 'foo' in asm}} 27 asm ("nop" : : : "52"); 28 asm ("nop" : : : "53"); // expected-error {{unknown register name '53' in asm}} 29 asm ("nop" : : : "-1"); // expected-error {{unknown register name '-1' in asm}} 30 asm ("nop" : : : "+1"); // expected-error {{unknown register name '+1' in asm}} 31} 32 33// rdar://6094010 34void test3() { 35 int x; 36 asm(L"foo" : "=r"(x)); // expected-error {{wide string}} 37 asm("foo" : L"=r"(x)); // expected-error {{wide string}} 38} 39 40// <rdar://problem/6156893> 41void test4(const volatile void *addr) 42{ 43 asm ("nop" : : "r"(*addr)); // expected-error {{invalid type 'void const volatile' in asm input for constraint 'r'}} 44 asm ("nop" : : "m"(*addr)); 45 46 asm ("nop" : : "r"(test4(addr))); // expected-error {{invalid type 'void' in asm input for constraint 'r'}} 47 asm ("nop" : : "m"(test4(addr))); // expected-error {{invalid lvalue in asm input for constraint 'm'}} 48 49 asm ("nop" : : "m"(f())); // expected-error {{invalid lvalue in asm input for constraint 'm'}} 50} 51 52// <rdar://problem/6512595> 53void test5() 54{ 55 asm("nop" : : "X" (8)); 56} 57 58// PR3385 59void test6(long i) 60{ 61 asm("nop" : : "er"(i)); 62} 63