clang/test/Sema/builtins-arm64.c

   1 // RUN: %clang_cc1 -triple arm64-apple-ios -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -triple arm64-apple-ios -DTEST1 -fsyntax-only -verify %s
   3
   4 #ifdef TEST1
   5 void __clear_cache(void *start, void *end);
   6 #endif
   7
   8 void test_clear_cache_chars(char *start, char *end) {
   9   __clear_cache(start, end);
  10 }
  11
  12 void test_clear_cache_voids(void *start, void *end) {
  13   __clear_cache(start, end);
  14 }
  15
  16 void test_clear_cache_no_args(void) {
  17   __clear_cache(); // expected-error {{too few arguments to function call}}
  18 }
  19
  20 void test_memory_barriers(void) {
  21   __builtin_arm_dmb(16); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  22   __builtin_arm_dsb(17); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  23   __builtin_arm_isb(18); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  24 }
  25
  26 void test_prefetch(void) {
  27   __builtin_arm_prefetch(0, 2, 0, 0, 0); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  28   __builtin_arm_prefetch(0, 0, 4, 0, 0); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  29   __builtin_arm_prefetch(0, 0, 0, 2, 0); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  30   __builtin_arm_prefetch(0, 0, 0, 0, 2); // expected-error-re {{argument value {{.*}} is outside the valid range}}
  31 }
  32
  33 void test_trap(short s, unsigned short us) {
  34   __builtin_arm_trap(42);
  35   __builtin_arm_trap(65535);
  36   __builtin_arm_trap(-1);
  37   __builtin_arm_trap(65536); // expected-warning {{implicit conversion from 'int' to 'unsigned short' changes value from 65536 to 0}}
  38   __builtin_arm_trap(s); // expected-error {{argument to '__builtin_arm_trap' must be a constant integer}}
  39   __builtin_arm_trap(us); // expected-error {{argument to '__builtin_arm_trap' must be a constant integer}}
  40 }