re PR tree-optimization/54000 (Performance breakdown for gcc-4.{6,7} vs. gcc-4.5...

re PR tree-optimization/54000 (Performance breakdown for gcc-4.{6,7} vs. gcc-4.5 using std::vector in matrix vector multiplication (IVopts / inliner))

2015-02-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/54000
	* tree-ssa-looo-ivopts.c: Include tree-vectorizer.h.
	(struct ivopts_data): Add loop_loc member.
	(tree_ssa_iv_optimize_loop): Dump loop location.
	(create_new_ivs): Likewise, also dump number of IVs generated.

	* g++.dg/tree-ssa/ivopts-3.C: New testcase.

From-SVN: r220536