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.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@190073 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 15 deletions

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index 4294173acad..820acd08efb 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -2842,18 +2842,7 @@ sra_modify_constructor_assign (gimple *stmt, gimple_stmt_iterator *gsi)
 static tree
 get_repl_default_def_ssa_name (struct access *racc)
 {
-  tree repl, decl;
-
-  decl = get_access_replacement (racc);
-
-  repl = gimple_default_def (cfun, decl);
-  if (!repl)
-    {
-      repl = make_ssa_name (decl, gimple_build_nop ());
-      set_default_def (decl, repl);
-    }
-
-  return repl;
+  return get_or_create_ssa_default_def (cfun, get_access_replacement (racc));
 }
 
 /* Return true if REF has a COMPONENT_REF with a bit-field field declaration
@@ -3351,7 +3340,7 @@ is_unused_scalar_param (tree parm)
 {
   tree name;
   return (is_gimple_reg (parm)
-	  && (!(name = gimple_default_def (cfun, parm))
+	  && (!(name = ssa_default_def (cfun, parm))
 	      || has_zero_uses (name)));
 }
 
@@ -3365,7 +3354,7 @@ ptr_parm_has_direct_uses (tree parm)
 {
   imm_use_iterator ui;
   gimple stmt;
-  tree name = gimple_default_def (cfun, parm);
+  tree name = ssa_default_def (cfun, parm);
   bool ret = false;
 
   FOR_EACH_IMM_USE_STMT (stmt, ui, name)
@@ -4531,7 +4520,7 @@ sra_ipa_reset_debug_stmts (ipa_parm_adjustment_vec adjustments)
       adj = VEC_index (ipa_parm_adjustment_t, adjustments, i);
       if (adj->copy_param || !is_gimple_reg (adj->base))
 	continue;
-      name = gimple_default_def (cfun, adj->base);
+      name = ssa_default_def (cfun, adj->base);
       vexpr = NULL;
       if (name)
 	FOR_EACH_IMM_USE_STMT (stmt, ui, name)