gcc/testsuite/gcc.dg/tree-ssa/calloc-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 void*f(){
   5     char*p=__builtin_malloc(42);
   6     __builtin_memset(p,0,42);
   7     __builtin_memset(p,0,42);
   8     return p;
   9 };
  10
  11 /* { dg-final { scan-tree-dump-not "malloc" "optimized" } } */
  12 /* { dg-final { scan-tree-dump-times "calloc" 1 "optimized" } } */
  13 /* { dg-final { scan-tree-dump-not "memset" "optimized" } } */