* cgraphbuild.c (rebuild_cgraph_edges): Export.
	* cgraph.h (rebuild_cgraph_edges): Declare.
	* tree-pass.h (pass_expand_omp_ssa): New.
	* omp-low.c (find_omp_clause): Export.
	(copy_var_decl): Split from omp_copy_decl_2.
	(build_omp_barrier): Return the call to emit instead of emitting
	it directly.
	(lower_rec_input_clauses, expand_omp_single): Gimplify the result of
	build_omp_barrier.
	(extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
	expand_omp_for_generic, expand_omp_for_static_nochunk,
	expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
	Adapted to work on SSA form.
	(execute_expand_omp): Do not invalidate dominance information.
	(gate_expand_omp): Do not run with -fopenmp-ssa flag.
	(gate_expand_omp_ssa, pass_expand_omp_ssa): New.
	* gimplify.c (gimplify_omp_for): Ensure that the control variable is
	a gimple_reg.
	(force_gimple_operand): Allow gimplifying code expressions without
	value.
	* tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
	* common.opt (fopenmp-ssa): New.
	* tree-flow.h (find_omp_clause, copy_var_decl): Declare.
	* Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
	* tree-cfg.c: Include tree-inline.h.
	(struct move_stmt_d): Replace vars_to_remove by vars_map field.
	(replace_by_duplicate_decl, replace_ssa_name,
	mark_virtual_ops_in_region): New functions.
	(move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
	to work on SSA form.
	* passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
	* tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
	constructs.

From-SVN: r128223