Makefile.in (toplev.o): Add value-prof.h dependency.

	* Makefile.in (toplev.o): Add value-prof.h dependency.
	(value-prof.o): Add REGS_H dependency.
	* common.opt (fprofile-values, fvpt): New.
	* flags.h (flag_value_profile_transformations): Declare.
	* opts.c (common_handle_option): Handle -fprofile_values and
	-fvpt.
	* profile.c (branch_prob): Don't remove death notes here.
	* timevar.def (TV_VPT): New.
	* value-prof.c: Include regs.h.
	(insn_divmod_values_to_profile, gen_divmod_fixed_value, gen_mod_pow2,
	gen_mod_subtract, divmod_fixed_value_transform,mod_pow2_value_transform,
	mod_subtract_transform, value_profile_transformations): New.
	(insn_values_to_profile): Call insn_divmod_values_to_profile.
	(find_values_to_profile): Add dumps.
	* value-prof.h (value_profile_transformations): Declare.
	* toplev.c: Include value-prof.h.
	(rest_of_handle_value_profile_transformations): New.
	(enum dump_file_index): Add DFI_vpt.
	(dump_file): Add vpt dump.
	(flag_value_profile_transformations): New.
	(lang_independent_options): Add flag_profile_values and
	flag_value_profile_transformations.
	(rest_of_compilation): Call
	rest_of_handle_value_profile_transformations.
	(process_options): Let -fvpt imply -fprofile-values.
	* doc/invoke.texi (-fvpt): Document.

From-SVN: r72685