// RUN: %clang_cc1 -triple armv6 -fsyntax-only -verify %s // Armv6 (apart from Armv6-M) provides 4-byte exclusive accesses, but not any // other size. So only the calls with a pointer to a 32-bit type are accepted. int test_ldrex(char *addr) { int sum = 0; sum += __builtin_arm_ldrex(addr); // expected-error {{address argument to load or store exclusive builtin must be a pointer to 4 byte type}} sum += __builtin_arm_ldrex((short *)addr); // expected-error {{address argument to load or store exclusive builtin must be a pointer to 4 byte type}} sum += __builtin_arm_ldrex((int *)addr); sum += __builtin_arm_ldrex((long long *)addr); // expected-error {{address argument to load or store exclusive builtin must be a pointer to 4 byte type}} return sum; } int test_strex(char *addr) { int res = 0; res |= __builtin_arm_strex(4, addr); // expected-error {{address argument to load or store exclusive builtin must be a pointer to 4 byte type}} res |= __builtin_arm_strex(42, (short *)addr); // expected-error {{address argument to load or store exclusive builtin must be a pointer to 4 byte type}} res |= __builtin_arm_strex(42, (int *)addr); res |= __builtin_arm_strex(42, (long long *)addr); // expected-error {{address argument to load or store exclusive builtin must be a pointer to 4 byte type}} return res; } int test_ldrexd(char *addr) { int sum = 0; sum += __builtin_arm_ldrexd(addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} sum += __builtin_arm_ldrexd((short *)addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} sum += __builtin_arm_ldrexd((int *)addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} sum += __builtin_arm_ldrexd((long long *)addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} return sum; } int test_strexd(char *addr) { int res = 0; res |= __builtin_arm_strexd(4, addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} res |= __builtin_arm_strexd(42, (short *)addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} res |= __builtin_arm_strexd(42, (int *)addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} res |= __builtin_arm_strexd(42, (long long *)addr); // expected-error {{load and store exclusive builtins are not available on this architecture}} return res; }