value-prof.c (interesting_stringop_to_profile_p): Removed FNDECL argument and get builtin function code directly from CALL.

	* value-prof.c (interesting_stringop_to_profile_p): Removed FNDECL argument
	and get builtin function code directly from CALL.
	(gimple_stringop_fixed_value): Modified accordingly.
	(gimple_stringops_transform, gimple_stringops_values_to_profile): Modified
	accordingly and only accept BUILT_IN_NORMAL string operations.

Co-Authored-By: Jiji Jiang <jiangjiji@huawei.com>

From-SVN: r227060