tree-vectorizer.h (_stmt_vec_info::cond_reduc_code): Remove.

2019-10-17  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (_stmt_vec_info::cond_reduc_code): Remove.
	(STMT_VINFO_VEC_COND_REDUC_CODE): Likewise.
	* tree-vectorizer.c (vec_info::new_stmt_vec_info): Do not
	initialize STMT_VINFO_VEC_COND_REDUC_CODE.
	* tree-vect-loop.c (vect_is_simple_reduction): Set
	STMT_VINFO_REDUC_CODE.
	(vectorizable_reduction): Remove dead and redundant code, use
	STMT_VINFO_REDUC_CODE instead of STMT_VINFO_VEC_COND_REDUC_CODE.

From-SVN: r277126