/* { dg-do run } */ /* { dg-options "-O1 -ftree-loop-linear" } */ extern void abort (void); #define K 32 int cond_array[2*K][K]; int a[K][K]; int out[K]; int check_result[K] = {2,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; __attribute__ ((noinline)) void foo (int c) { int res, i, j, k, next; for (k = 0; k < K; k++) { res = 0; for (j = 0; j < K; j++) for (i = 0; i < K; i++) { next = a[i][j]; res = c > cond_array[i+k][j] ? next : res; } out[k] = res; } } int main () { int i, j, k; for (j = 0; j < K; j++) { for (i = 0; i < 2*K; i++) cond_array[i][j] = i+j; for (i = 0; i < K; i++) a[i][j] = i+2; } foo(5); for (k = 0; k < K; k++) if (out[k] != check_result[k]) abort (); return 0; }