1 /* { dg-require-effective-target vect_int } */ 2 3 #include <stdarg.h> 4 #include "tree-vect.h" 5 6 #define N 40 7 8 int a[N]; 9 10 __attribute__ ((noinline)) int foo(int n)11foo (int n){ 12 int i,j; 13 int sum; 14 15 if (n<=0) 16 return 0; 17 18 for (i = 0; i < N; i++) { 19 sum = 0; 20 j = 0; 21 do { 22 sum += j; 23 }while (++j < n); 24 a[i] = sum; 25 } 26 } 27 main(void)28int main (void) 29 { 30 int i,j; 31 int sum; 32 33 check_vect (); 34 35 for (i=0; i<N; i++) 36 a[i] = i; 37 38 foo (N); 39 40 /* check results: */ 41 for (i=0; i<N; i++) 42 { 43 sum = 0; 44 for (j = 0; j < N; j++) 45 sum += j; 46 if (a[i] != sum) 47 abort(); 48 } 49 50 return 0; 51 } 52 53 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" } } */ 54