gcc/testsuite/gcc.dg/vect/vect-widen-mult-extern-1.c

   1 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   2 /* { dg-do compile } */
   3
   4 #define N 1024
   5
   6 void
   7 f (unsigned int *x1, unsigned int *x2, unsigned short *y, unsigned char z)
   8 {
   9   unsigned short zu = z;
  10   for (int i = 0; i < N; ++i)
  11     {
  12       unsigned short yi = y[i];
  13       x1[i] = x1[i] > 10 ? yi * zu : x1[i] + 1;
  14       x2[i] += 1;
  15     }
  16 }
  17 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */