+2012-08-02 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (set_default_def): Rename to ...
+ (set_ssa_default_def): ... this. Take a struct function argument.
+ (gimple_default_def): Rename to ...
+ (ssa_default_def): ... this.
+ (get_or_create_ssa_default_def): New function.
+ * tree-dfa.c: Likewise.
+ (dump_variable): Adjust.
+ * ipa-prop.c (ipa_analyze_params_uses): Adjust, properly check
+ for used parameters.
+ * ipa-split.c (consider_split): Adjust, avoid repeated default-def
+ lookups.
+ (split_function): Likewise.
+ * lto-streamer-in.c (input_ssa_names): Adjust.
+ * omp-low.c (expand_omp_taskreg): Likewise.
+ * tree-cfg.c (replace_ssa_name): Adjust, no need to push/pop cfun.
+ * tree-complex.c (init_parameter_lattice_values): Adjust.
+ (get_component_ssa_name): Likewise.
+ (update_parameter_components): Likewise.
+ * tree-inline.c (remap_ssa_name): Likewise.
+ (setup_one_parameter): Likewise.
+ (initialize_inlined_parameters): Likewise.
+ (declare_return_variable): Likewise.
+ (expand_call_inline): Likewise.
+ (tree_function_versioning): Likewise.
+ * tree-into-ssa.c (get_default_def_for): Remove.
+ (get_reaching_def): Use get_or_create_ssa_default_def instead.
+ * tree-predcom.c (replace_ref_with): Adjust.
+ * tree-sra.c (get_repl_default_def_ssa_name): Likewise.
+ (is_unused_scalar_param): Likewise.
+ (ptr_parm_has_direct_uses): Likewise.
+ (sra_ipa_reset_debug_stmts): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
+ * tree-ssa-live.c (verify_live_on_entry): Likewise.
+ * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise,
+ avoid repeated default def lookups.
+ * tree-ssa-sccvn.c (run_scc_vn): Likewise.
+ * tree-tailcall.c (arg_needs_copy_p): Adjust.
+ (tree_optimize_tail_calls_1): Likewise.
+