gcc/testsuite/gcc.dg/vect/vect-over-widen-23.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fno-tree-forwprop -fno-tree-vrp" }
   3 /* { dg-require-effective-target vect_int } */
   4
   5 #include "tree-vect.h"
   6
   7 #if VECTOR_BITS > 128
   8 #define N (VECTOR_BITS / 2)
   9 #else
  10 #define N 64
  11 #endif
  12
  13 int a[N], b[N], c[N];
  14
  15 void
  16 foo ()
  17 {
  18   int i;
  19   for (i = 0; i < N; i++)
  20     {
  21       long long d = a[i];
  22       long long e = b[i];
  23       d += e;
  24       c[i] = d;
  25     }
  26 }
  27
  28 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* \+} "vect" } } */
  29 /* { dg-final { scan-tree-dump {VIEW_CONVERT_EXPR<vector[^ ]* unsigned} "vect" } } */
  30 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */