tree-flow-inline.h (referenced_var): Remove.

tree-flow-inline.h (referenced_var): Remove.

2012-08-01  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (referenced_var): Remove.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Remove duplicate
	checking code.
	* tree-sra.c (candidates): New global hashtable.
	(candidate): New function.
	(sra_initialize): Initialize candidates.
	(sra_deinitialize): Free candidates.
	(disqualify_candidate): Remove candidate from candidates.
	(maybe_add_sra_candidate): New function.
	(find_var_candidates): Walk over all local decls and parameters,
	add candidates to candidates hashtable.
	(find_param_candidates): Add candidates to candidates hashtable.
	(analyze_all_variable_accesses): Use candidate instead of
	referenced_var.

From-SVN: r190047