gcc/testsuite/gcc.dg/fold-narrowbopcst-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 int foo1 (unsigned char a[], unsigned int x)
   5 {
   6   unsigned int i;
   7   for (i = 0; i < 1000; i++)
   8     {
   9       x = a[i];
  10       a[i] = (unsigned char)(x >= 100 ? x - 100 : 0);
  11     }
  12   return x;
  13 }
  14 /* { dg-final { scan-tree-dump " = _.* \\+ 156" "optimized" } } */