genmatch.c (capture_info::walk_c_expr): Ignore capture uses inside TREE_TYPE ().

genmatch.c (capture_info::walk_c_expr): Ignore capture uses inside TREE_TYPE ().

2014-10-30  Richard Biener  <rguenther@suse.de>

	* genmatch.c (capture_info::walk_c_expr): Ignore capture
	uses inside TREE_TYPE ().
	* gimple-ssa-strength-reduction.c (stmt_cost): Use CASE_CONVERT.
	(find_candidates_dom_walker::before_dom_children): Likewise.
	(replace_mult_candidate): Use CONVERT_EXPR_CODE_P.
	(replace_profitable_candidates): Likewise.
	* tree-ssa-dom.c (initialize_hash_element): Canonicalize
	CONVERT_EXPR_CODE_P to CONVERT_EXPR.
	* convert.c (convert_to_integer): Use CASE_CONVERT.

From-SVN: r216939