2015-11-30  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>

	* tree-if-conv.c (struct ifc_dr): Add new tree
	base_predicate field.
	(hash_memrefs_baserefs_and_store_DRs_read_written_info): Hash
	base ref, DR pairs and store base_predicate for write type DRs.
	(ifcvt_memrefs_wont_trap): Guard checks with
	-ftree-loop-if-convert-stores flag.

From-SVN: r231057