/* Triangle loops. */ void abort (void); #define N 500 void foo(void) { int i,j; int A[3*N], B[3*N]; for (i = 0; i < 3*N; i++) B[i] = A[i] = i; for (i = 1; i < N; i++) for (j = 1; j < i; j++) /* This loop carried no dependency, it fails at code generation part.*/ A[j+N] = A[j] + j; for (i = 1; i < N; i++) for (j = 1; j < i; j++) if (A[j+N] != B[j] + j) abort(); } int main(void) { foo(); return 0; } /* Check that parallel code generation part make the right answer. */ /* { dg-final { scan-tree-dump-times "2 loops carried no dependency" 1 "graphite" } } */ /* { dg-final { scan-tree-dump-times "loopfn.0" 4 "optimized" } } */ /* { dg-final { scan-tree-dump-times "loopfn.1" 4 "optimized" } } */