+2016-01-18 Tom de Vries <tom@codesourcery.com>
+
+ * tree-parloops.c (pass_parallelize_loops::execute): Allow
+ pass_parallelize_loops to be run outside the loop pipeline.
+
2016-01-18 Alan Lawrence <alan.lawrence@arm.com>
* tree-scalar-evolution.c (follow_copies_to_constant): New.
unsigned
pass_parallelize_loops::execute (function *fun)
{
- if (number_of_loops (fun) <= 1)
- return 0;
-
tree nthreads = builtin_decl_explicit (BUILT_IN_OMP_GET_NUM_THREADS);
if (nthreads == NULL_TREE)
return 0;
+ bool in_loop_pipeline = scev_initialized_p ();
+ if (!in_loop_pipeline)
+ loop_optimizer_init (LOOPS_NORMAL
+ | LOOPS_HAVE_RECORDED_EXITS);
+
+ if (number_of_loops (fun) <= 1)
+ return 0;
+
+ if (!in_loop_pipeline)
+ {
+ rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa);
+ scev_initialize ();
+ }
+
+ unsigned int todo = 0;
if (parallelize_loops ())
{
fun->curr_properties &= ~(PROP_gimple_eomp);
checking_verify_loop_structure ();
- return TODO_update_ssa;
+ todo |= TODO_update_ssa;
+ }
+
+ if (!in_loop_pipeline)
+ {
+ scev_finalize ();
+ loop_optimizer_finalize ();
}
- return 0;
+ return todo;
}
} // anon namespace