2019-03-14  Richard Biener  <rguenther@suse.de>

	c/
	* c-tree.h (enum c_declspec_il): New.
	(struct c_declspecs): Merge gimple_p and rtl_p into declspec_il
	enum bitfield.
	* c-parser.c (c_parser_declaration_or_fndef): Adjust accordingly.
	Pass start pass and declspec_il to c_parser_parse_gimple_body.
	(c_parser_declspecs): Adjust.
	* gimple-parser.c: Include cfg.h, cfghooks.h, cfganal.h, tree-cfg.h,
	gimple-iterator.h, cfgloop.h, tree-phinodes.h, tree-into-ssa.h
	and bitmap.h.
	(struct gimple_parser): New.
	(gimple_parser::push_edge): New method.
	(c_parser_gimple_parse_bb_spec): New helper.
	(c_parser_parse_gimple_body): Get start pass and IL specification.
	Initialize SSA and CFG.
	(c_parser_gimple_compound_statement): Handle CFG and SSA build.
	Build a gimple_parser parsing state and pass it along.
	(c_parser_gimple_statement): Change intermittend __PHI internal
	function argument for the edge.
	(c_parser_gimple_or_rtl_pass_list): Handle ssa, cfg flags.
	(c_parser_gimple_goto_stmt): Record edges to build.
	(c_parser_gimple_if_stmt): Likewise.
	* gimple-parser.h (c_parser_parse_gimple_body): Adjust.
	(c_parser_gimple_or_rtl_pass_list): Likewise.

	* gimple-pretty-print.c: Include cfgloop.h.
	(dump_gimple_phi): Adjust.
	(dump_gimple_bb_header): Dump loop header for GIMPLE.
	(pp_cfg_jump): Adjust.
	(dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
	* tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
	(lower_phi_internal_fn): Remove.
	(verify_gimple_call): Remove IFN_PHI special-casing.
	(dump_function_to_file): Dump IL state.
	* tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
	done to deal with PHI nodes being present in non-SSA state.

	* gcc.dg/gimplefe-13.c: Adjust.
	* gcc.dg/gimplefe-14.c: Likewise.
	* gcc.dg/gimplefe-17.c: Likewise.
	* gcc.dg/gimplefe-18.c: Likewise.
	* gcc.dg/gimplefe-7.c: Likewise.
	* gcc.dg/torture/pr89595.c: Likewise.
	* gcc.dg/tree-ssa/cunroll-13.c: Likewise.
	* gcc.dg/tree-ssa/ivopt_mult_1g.c: Likewise.
	* gcc.dg/tree-ssa/ivopt_mult_2g.c: Likewise.
	* gcc.dg/tree-ssa/scev-3.c: Likewise.
	* gcc.dg/tree-ssa/scev-4.c: Likewise.
	* gcc.dg/tree-ssa/scev-5.c: Likewise.
	* gcc.dg/vect/vect-cond-arith-2.c: Likewise.
	* gcc.target/aarch64/sve/loop_add_6.c: Likewise.

From-SVN: r269682