tree-ssa-pre.c (pretemp, [...]): Remove.

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.

From-SVN: r190288

1 files changed, 9 insertions, 15 deletions

diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c
index 8894776..618233a 100644
--- a/gcc/tree-ssa-loop-im.c
+++ b/gcc/tree-ssa-loop-im.c
@@ -934,7 +934,7 @@ static gimple
 rewrite_reciprocal (gimple_stmt_iterator *bsi)
 {
   gimple stmt, stmt1, stmt2;
-  tree var, name, lhs, type;
+  tree name, lhs, type;
   tree real_one;
   gimple_stmt_iterator gsi;
 
@@ -942,14 +942,11 @@ rewrite_reciprocal (gimple_stmt_iterator *bsi)
   lhs = gimple_assign_lhs (stmt);
   type = TREE_TYPE (lhs);
 
-  var = create_tmp_reg (type, "reciptmp");
-
   real_one = build_one_cst (type);
 
-  stmt1 = gimple_build_assign_with_ops (RDIV_EXPR,
-		var, real_one, gimple_assign_rhs2 (stmt));
-  name = make_ssa_name (var, stmt1);
-  gimple_assign_set_lhs (stmt1, name);
+  name = make_temp_ssa_name (type, NULL, "reciptmp");
+  stmt1 = gimple_build_assign_with_ops (RDIV_EXPR, name, real_one,
+					gimple_assign_rhs2 (stmt));
 
   stmt2 = gimple_build_assign_with_ops (MULT_EXPR, lhs, name,
 					gimple_assign_rhs1 (stmt));
@@ -972,7 +969,7 @@ static gimple
 rewrite_bittest (gimple_stmt_iterator *bsi)
 {
   gimple stmt, use_stmt, stmt1, stmt2;
-  tree lhs, var, name, t, a, b;
+  tree lhs, name, t, a, b;
   use_operand_p use;
 
   stmt = gsi_stmt (*bsi);
@@ -1021,18 +1018,15 @@ rewrite_bittest (gimple_stmt_iterator *bsi)
       gimple_stmt_iterator rsi;
 
       /* 1 << B */
-      var = create_tmp_var (TREE_TYPE (a), "shifttmp");
       t = fold_build2 (LSHIFT_EXPR, TREE_TYPE (a),
 		       build_int_cst (TREE_TYPE (a), 1), b);
-      stmt1 = gimple_build_assign (var, t);
-      name = make_ssa_name (var, stmt1);
-      gimple_assign_set_lhs (stmt1, name);
+      name = make_temp_ssa_name (TREE_TYPE (a), NULL, "shifttmp");
+      stmt1 = gimple_build_assign (name, t);
 
       /* A & (1 << B) */
       t = fold_build2 (BIT_AND_EXPR, TREE_TYPE (a), a, name);
-      stmt2 = gimple_build_assign (var, t);
-      name = make_ssa_name (var, stmt2);
-      gimple_assign_set_lhs (stmt2, name);
+      name = make_temp_ssa_name (TREE_TYPE (a), NULL, "shifttmp");
+      stmt2 = gimple_build_assign (name, t);
 
       /* Replace the SSA_NAME we compare against zero.  Adjust
 	 the type of zero accordingly.  */