gcc/testsuite/gcc.target/i386/avx2-vect-shift.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mavx2 -O3 -fdump-tree-vect-details" } */
   3
   4 #define N 32
   5 typedef unsigned int u32;
   6 u32 a[N];
   7
   8 void foo()
   9 {
  10   int i;
  11   for (i=0; i<N;i++)
  12     a[i] = 1 << i;
  13 }
  14 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */