/* PR tree-optimization/46194 */ | |
/* { dg-do compile } */ | |
/* { dg-options "-O -ftree-parallelize-loops=2 -fdump-tree-parloops2-details" } */ | |
#define N 1000 | |
int a[N]; | |
int 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]; | |
} | |
/* This loop cannot be parallelized due to a dependence. */ | |
/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 0 "parloops2" } } */ |