test/FrontendC/memcpy_chk.c

   1 // RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep call | grep memcpy_chk | count 3
   2 // RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep call | grep {llvm.memcpy} | count 3
   3 // rdar://6716432
   4
   5 void *t1(void *d, void *s) {
   6   return __builtin___memcpy_chk(d, s, 16, 0);
   7 }
   8
   9 void *t2(void *d, void *s) {
  10   return __builtin___memcpy_chk(d, s, 16, 10);
  11 }
  12
  13 void *t3(void *d, void *s) {
  14   return __builtin___memcpy_chk(d, s, 16, 17);
  15 }
  16
  17 void *t4(void *d, void *s, unsigned len) {
  18   return __builtin___memcpy_chk(d, s, len, 17);
  19 }
  20
  21 char buf[10];
  22 void *t5(void *s, unsigned len) {
  23   return __builtin___memcpy_chk(buf, s, 5, __builtin_object_size(buf, 0));
  24 }
  25
  26 void *t6(void *d, void *s) {
  27   return __builtin___memcpy_chk(d, s, 16, __builtin_object_size(d, 0));
  28 }