2012-08-10 Richard Guenther <rguenther@suse.de>

	* tree-ssa-pre.c (pretemp, storetemp, prephitemp): Remove.
	(need_creation): Remove.
	(get_representative_for): Use anonymous named SSA names.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): Likewise.
	(init_pre): Do not init removed vars.
	(fini_pre): Do not free need_creation.
	* tree-ssa-forwprop.c (simplify_bitwise_binary): Use anonymous
	SSA names.
	* tree-ssa-loop-manip.c (create_iv): Likewise.
	* value-prof.c (gimple_divmod_fixed_value): Likewise.
	(gimple_mod_pow2): Likewise.
	(gimple_mod_subtract): Likewise.
	(gimple_ic): Likewise.
	(gimple_stringop_fixed_value): Likewise.
	* tree-ssa-phiopt.c (condstoretemp): Remove.
	(tree_ssa_phiopt_worker): Use anonymous named SSA names.
	(conditional_replacement): Likewise.
	(abs_replacement): Likewise.
	(cond_store_replacement): Likewise.
	(cond_if_else_store_replacement_1): Likewise.
	* tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
	(rewrite_bittest): Likewise.
	* tree-ssa-reassoc.c (build_and_add_sum): Get type from callers
	and build anonymous SSA names.
	(undistribute_ops_list): Adjust.
	(eliminate_redundant_comparison): Use anonymous SSA names.
	(rewrite_expr_tree_parallel): Likewise.
	(get_reassoc_pow_ssa_name): Remove.
	(attempt_builtin_powi): Adjust.
	(reassociate_bb): Likewise.
	* tree-ssa-strlen.c (get_string_length): Use anonymous SSA names.
	* tree-switch-conversion.c (emit_case_bit_tests): Likewise.
	(build_arrays): Likewise.
	* tree-tailcall.c (adjust_return_value_with_ops): Likewise.
	(create_tailcall_accumulator): Likewise.
	* tree-vect-generic.c (expand_vector_divmod): Likewise.
	* tree-profile.c (gcov_type_tmp_var): Remove.
	(gimple_init_edge_profiler): Do not initialize it and use anonymous
	SSA names.
	(gimple_gen_ic_profiler): Likewise.
	(tree_profiling): Adjust.
	* tree-sra.c (build_ref_for_offset): Use anonymous SSA names.
	* tree-ssa-math-opts.c (execute_cse_sincos_1): Likewise.
	(powi_as_mults_1): Likewise.
	(powi_as_mults): Likewise.
	(build_and_insert_call): Adjust.
	(build_and_insert_binop): Likewise.
	(build_and_insert_ref): Likewise.
	(build_and_insert_cast): Likewise.
	(gimple_expand_builtin_pow): Likewise.
	(gimple_expand_builtin_cabs): Likewise.
	(execute_optimize_bswap): Use anonymous SSA names.
	(convert_mult_to_widen): Likewise.
	(convert_plusminus_to_widen): Likewise.
	* tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
	* tree-ssa-propagate.c (update_call_from_tree): Likewise.
	* tree-if-conv.c (ifc_temp_var): Likewise.
	* tree-loop-distribution.c (generate_memset_builtin): Likewise.
	* tree-parloops.c (take_address_of): Likewise.
	* tree-vect-data-refs.c (vect_permute_store_chain): Likewise.
	(vect_permute_load_chain): Likewise.
	* tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Likewise.
	* tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
	(vect_handle_widen_op_by_const): Likewise.
	(vect_operation_fits_smaller_type): Likewise.
	(vect_recog_over_widening_pattern): Likewise.
	* tree-vect-stmts.c (vect_init_vector): Likewise.
	* tree-vrp.c (simplify_truth_ops_using_ranges): Likewise.
	(simplify_float_conversion_using_ranges): Likewise.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@190288 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 13 deletions

diff --git a/gcc/tree-profile.c b/gcc/tree-profile.c
index 676461cd087..a5b6bc80281 100644
--- a/gcc/tree-profile.c
+++ b/gcc/tree-profile.c
@@ -44,7 +44,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "target.h"
 
 static GTY(()) tree gcov_type_node;
-static GTY(()) tree gcov_type_tmp_var;
 static GTY(()) tree tree_interval_profiler_fn;
 static GTY(()) tree tree_pow2_profiler_fn;
 static GTY(()) tree tree_one_value_profiler_fn;
@@ -209,20 +208,18 @@ gimple_init_edge_profiler (void)
 void
 gimple_gen_edge_profiler (int edgeno, edge e)
 {
-  tree ref, one;
+  tree ref, one, gcov_type_tmp_var;
   gimple stmt1, stmt2, stmt3;
 
-  /* We share one temporary variable declaration per function.  This
-     gets re-set in tree_profiling.  */
-  if (gcov_type_tmp_var == NULL_TREE)
-    gcov_type_tmp_var = create_tmp_reg (gcov_type_node, "PROF_edge_counter");
   ref = tree_coverage_counter_ref (GCOV_COUNTER_ARCS, edgeno);
   one = build_int_cst (gcov_type_node, 1);
+  gcov_type_tmp_var = make_temp_ssa_name (gcov_type_node,
+					  NULL, "PROF_edge_counter");
   stmt1 = gimple_build_assign (gcov_type_tmp_var, ref);
-  gimple_assign_set_lhs (stmt1, make_ssa_name (gcov_type_tmp_var, stmt1));
+  gcov_type_tmp_var = make_temp_ssa_name (gcov_type_node,
+					  NULL, "PROF_edge_counter");
   stmt2 = gimple_build_assign_with_ops (PLUS_EXPR, gcov_type_tmp_var,
 					gimple_assign_lhs (stmt1), one);
-  gimple_assign_set_lhs (stmt2, make_ssa_name (gcov_type_tmp_var, stmt2));
   stmt3 = gimple_build_assign (unshare_expr (ref), gimple_assign_lhs (stmt2));
   gsi_insert_on_edge (e, stmt1);
   gsi_insert_on_edge (e, stmt2);
@@ -335,10 +332,9 @@ gimple_gen_ic_profiler (histogram_value value, unsigned tag, unsigned base)
     stmt3: __gcov_indirect_call_callee = tmp1;
    */
 
-  tmp1 = create_tmp_reg (ptr_void, "PROF");
   stmt1 = gimple_build_assign (ic_gcov_type_ptr_var, ref_ptr);
+  tmp1 = make_temp_ssa_name (ptr_void, NULL, "PROF");
   stmt2 = gimple_build_assign (tmp1, unshare_expr (value->hvalue.value));
-  gimple_assign_set_lhs (stmt2, make_ssa_name (tmp1, stmt2));
   stmt3 = gimple_build_assign (ic_void_ptr_var, gimple_assign_lhs (stmt2));
 
   gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT);
@@ -481,9 +477,6 @@ tree_profiling (void)
       push_cfun (DECL_STRUCT_FUNCTION (node->symbol.decl));
       current_function_decl = node->symbol.decl;
 
-      /* Re-set global shared temporary variable for edge-counters.  */
-      gcov_type_tmp_var = NULL_TREE;
-
       /* Local pure-const may imply need to fixup the cfg.  */
       if (execute_fixup_cfg () & TODO_cleanup_cfg)
 	cleanup_tree_cfg ();