gcc/testsuite/gcc.dg/tree-ssa/pr68529-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
   3
   4 void bar(char *s);
   5 int foo()
   6 {
   7   char c[10000] = {};
   8   unsigned short nchar = 9999;
   9
  10   while(nchar-- != 0)
  11     {
  12       c[nchar] = 'A';
  13     }
  14
  15   bar (c);
  16   return 0;
  17 }
  18
  19 /* { dg-final { scan-tree-dump "distributed: split to 0 loops and 1 library calls" "ldist" } } */
  20 /* { dg-final { scan-tree-dump "generated memset" "ldist" } } */