1 // RUN: %clang_cc1 -triple armv7 -fsyntax-only -verify %s 2 3 struct Simple { 4 char a, b; 5 }; 6 7 int test_ldrex(char *addr) { 8 int sum = 0; 9 sum += __builtin_arm_ldrex(addr); 10 sum += __builtin_arm_ldrex((short *)addr); 11 sum += __builtin_arm_ldrex((int *)addr); 12 sum += __builtin_arm_ldrex((long long *)addr); 13 sum += __builtin_arm_ldrex((float *)addr); 14 sum += __builtin_arm_ldrex((double *)addr); 15 sum += *__builtin_arm_ldrex((int **)addr); 16 sum += __builtin_arm_ldrex((struct Simple **)addr)->a; 17 sum += __builtin_arm_ldrex((volatile char *)addr); 18 sum += __builtin_arm_ldrex((const volatile char *)addr); 19 20 // In principle this might be valid, but stick to ints and floats for scalar 21 // types at the moment. 22 sum += __builtin_arm_ldrex((struct Simple *)addr).a; // expected-error {{address argument to atomic builtin must be a pointer to}} 23 24 sum += __builtin_arm_ldrex((__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}} 25 26 __builtin_arm_ldrex(); // expected-error {{too few arguments to function call}} 27 __builtin_arm_ldrex(1, 2); // expected-error {{too many arguments to function call}} 28 return sum; 29 } 30 31 int test_strex(char *addr) { 32 int res = 0; 33 struct Simple var = {0}; 34 res |= __builtin_arm_strex(4, addr); 35 res |= __builtin_arm_strex(42, (short *)addr); 36 res |= __builtin_arm_strex(42, (int *)addr); 37 res |= __builtin_arm_strex(42, (long long *)addr); 38 res |= __builtin_arm_strex(2.71828f, (float *)addr); 39 res |= __builtin_arm_strex(3.14159, (double *)addr); 40 res |= __builtin_arm_strex(&var, (struct Simple **)addr); 41 42 res |= __builtin_arm_strex(42, (volatile char *)addr); 43 res |= __builtin_arm_strex(42, (char *const)addr); 44 res |= __builtin_arm_strex(42, (const char *)addr); // expected-warning {{passing 'const char *' to parameter of type 'volatile char *' discards qualifiers}} 45 46 47 res |= __builtin_arm_strex(var, (struct Simple *)addr); // expected-error {{address argument to atomic builtin must be a pointer to}} 48 res |= __builtin_arm_strex(var, (struct Simple **)addr); // expected-error {{passing 'struct Simple' to parameter of incompatible type 'struct Simple *'}} 49 res |= __builtin_arm_strex(&var, (struct Simple **)addr).a; // expected-error {{is not a structure or union}} 50 51 res |= __builtin_arm_strex(1, (__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}} 52 53 __builtin_arm_strex(1); // expected-error {{too few arguments to function call}} 54 __builtin_arm_strex(1, 2, 3); // expected-error {{too many arguments to function call}} 55 return res; 56 } 57 58 void test_clrex() { 59 __builtin_arm_clrex(); 60 __builtin_arm_clrex(1); // expected-error {{too many arguments to function call}} 61 } 62