gcc/testsuite/gcc.dg/tree-ssa/pr62112-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-dse1-details" } */
   3
   4 char*g;
   5 char* f(){
   6   char*p=__builtin_malloc(42);
   7   __builtin_memset(p,3,33);
   8   __builtin_memset(p,7,10);
   9   return p;
  10 }
  11 void h(){
  12   char*p=__builtin_malloc(42);
  13   g=__builtin_memset(p,3,10);
  14 }
  15
  16 /* { dg-final { scan-tree-dump-not "Deleted dead" "dse1" } } */