Mark omp thread functions as parallelized

Mark omp thread functions as parallelized

2015-03-21  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65458
	* cgraph.c (cgraph_node::dump): Handle parallelized_function field.
	* cgraph.h (cgraph_node): Add parallelized_function field.
	* lto-cgraph.c (lto_output_node): Write parallelized_function field.
	(input_overwrite_node): Read parallelized_function field.
	* omp-low.c (expand_omp_taskreg, finalize_task_copyfn): Set
	parallelized_function on cgraph_node for child_fn.
	* tree-parloops.c: Add include of plugin-api.h, ipa-ref.h and cgraph.h.
	Remove include of gt-tree-parloops.h.
	(parallelized_functions): Remove static variable.
	(parallelized_function_p): Rewrite using parallelized_function field of
	cgraph_node.
	(create_loop_fn): Remove adding to parallelized_functions.
	* Makefile.in (GTFILES): Remove tree-parloops.c

From-SVN: r221551