1 /* { dg-do compile } */ 2 /* { dg-options "-O3 -Warray-bounds -fdump-tree-cunroll-details" } */ 3 4 typedef struct { unsigned data; } s1; 5 s1 g_x[4]; 6 foo(s1 * x1,s1 * x2,int a,int b)7extern void foo (s1 *x1, s1 *x2, int a, int b) 8 { 9 int i; 10 for(i = 0; i < a; i++) 11 if(i == b) 12 g_x[i] = *x1; 13 else 14 g_x[i] = *x2; 15 } 16 17 /* { dg-final { scan-tree-dump "Loop 1 iterates at most 3 times" "cunroll" } } */ 18