re PR tree-optimization/61634 (ICE in in vect_get_vec_def_for_operand, at tree-vect...

re PR tree-optimization/61634 (ICE in in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1423)

2014-11-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/61634
	* tree-vect-slp.c: Include gimple-walk.h.
	(vect_detect_hybrid_slp_stmts): Rewrite to propagate hybrid
	down the SLP tree for one scalar statement.
	(vect_detect_hybrid_slp_1): New walker function.
	(vect_detect_hybrid_slp_2): Likewise.
	(vect_detect_hybrid_slp): Properly handle pattern statements
	in a pre-scan over all loop stmts.

	* gcc.dg/vect/pr61634.c: New testcase.

From-SVN: r218113