#define DEBUG 0 #if DEBUG #include #endif #define N 1000 int a[N]; static int __attribute__((noinline)) foo (void) { int j; int i; /* This is not blocked as it is not profitable. */ for (i = 0; i < N; i++) for (j = 0; j < N; j++) a[j] = a[i] + 1; return a[0]; } extern void abort (); int main (void) { int i, res; for (i = 0; i < N; i++) a[i] = i; res = foo (); #if DEBUG fprintf (stderr, "res = %d \n", res); #endif if (res != 1999) abort (); return 0; } /* { dg-final { scan-tree-dump-not "will be loop blocked" "graphite" } } */ /* { dg-final { cleanup-tree-dump "graphite" } } */