1 /* { dg-do compile } */ 2 /* { dg-options "-O -fdump-tree-fre1" } */ 3 4 typedef int v4si __attribute__((vector_size(__SIZEOF_INT__ * 4))); foo(int * a)5int foo (int *a) 6 { 7 a[2] = 2; 8 a[0] = 0; 9 a[1] = 1; 10 a[3] = 4; 11 v4si x = *(v4si *)a; 12 *(v4si *)&a[4] = x; 13 return a[4] + a[7]; 14 } 15 16 /* { dg-final { scan-tree-dump "return 4;" "fre1" } } */ 17