Remove expand_scalar_variables_ hack.

2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
	(debug_clast_name_indexes_1): Removed.
	(debug_clast_name_indexes): Removed.
	(pbb_to_depth_to_oldiv): Removed.
	(build_iv_mapping): Replace the use of rename_map with iv_map.
	(translate_clast_user): Remove uses of rename_map.  Allocate and
	free iv_map.
	(translate_clast_for_loop): Remove uses of rename_map.
	(translate_clast_for): Same.
	(translate_clast_guard): Same.
	(translate_clast): Same.
	(gloog): Same.
	* graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
	* graphite-sese-to-poly.c (scev_analyzable_p): Moved...
	* sese.c (set_rename): Now static.
	(rename_variables_in_stmt): Removed.
	(rename_uses): New.
	(is_parameter): Removed.
	(is_iv): Removed.
	(expand_scalar_variables_call): Removed.
	(expand_scalar_variables_ssa_name): Removed.
	(expand_scalar_variables_expr): Removed.
	(expand_scalar_variables_stmt): Removed.
	(expand_scalar_variables): Removed.
	(rename_variables): Removed.
	(remove_condition): Removed.
	(get_true_edge_from_guard_bb): Removed.
	(get_false_edge_from_guard_bb): Removed.
	(struct igp): Removed.
	(default_before_guard): Removed.
	(convert_for_phi_arg): Removed.
	(add_guard_exit_phis): Removed.
	(insert_guard_phis): Removed.
	(graphite_copy_stmts_from_block): Now also uses iv_map and a
	region.  Do not copy conditions.  Do not copy induction variables.
	Call rename_uses.
	(copy_bb_and_scalar_dependences): Allocate a local rename_map for
	the translated statement.  Use the iv_map for the induction
	variable renaming.
	* sese.h (copy_bb_and_scalar_dependences): Update declaration.
	(set_rename): Removed declaration.
	(scev_analyzable_p): ...here.
	* tree-chrec.c (chrec_apply_map): New.
	* tree-chrec.h (chrec_apply_map): Declared.

From-SVN: r163139

gcc/ChangeLog

 2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
+	(debug_clast_name_indexes_1): Removed.
+	(debug_clast_name_indexes): Removed.
+	(pbb_to_depth_to_oldiv): Removed.
+	(build_iv_mapping): Replace the use of rename_map with iv_map.
+	(translate_clast_user): Remove uses of rename_map.  Allocate and
+	free iv_map.
+	(translate_clast_for_loop): Remove uses of rename_map.
+	(translate_clast_for): Same.
+	(translate_clast_guard): Same.
+	(translate_clast): Same.
+	(gloog): Same.
+	* graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
+	* graphite-sese-to-poly.c (scev_analyzable_p): Moved...
+	* sese.c (set_rename): Now static.
+	(rename_variables_in_stmt): Removed.
+	(rename_uses): New.
+	(is_parameter): Removed.
+	(is_iv): Removed.
+	(expand_scalar_variables_call): Removed.
+	(expand_scalar_variables_ssa_name): Removed.
+	(expand_scalar_variables_expr): Removed.
+	(expand_scalar_variables_stmt): Removed.
+	(expand_scalar_variables): Removed.
+	(rename_variables): Removed.
+	(remove_condition): Removed.
+	(get_true_edge_from_guard_bb): Removed.
+	(get_false_edge_from_guard_bb): Removed.
+	(struct igp): Removed.
+	(default_before_guard): Removed.
+	(convert_for_phi_arg): Removed.
+	(add_guard_exit_phis): Removed.
+	(insert_guard_phis): Removed.
+	(graphite_copy_stmts_from_block): Now also uses iv_map and a
+	region.  Do not copy conditions.  Do not copy induction variables.
+	Call rename_uses.
+	(copy_bb_and_scalar_dependences): Allocate a local rename_map for
+	the translated statement.  Use the iv_map for the induction
+	variable renaming.
+	* sese.h (copy_bb_and_scalar_dependences): Update declaration.
+	(set_rename): Removed declaration.
+	(scev_analyzable_p): ...here.
+	* tree-chrec.c (chrec_apply_map): New.
+	* tree-chrec.h (chrec_apply_map): Declared.
+
+2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 	insert_loop_close_phis.
 	* sese.c (name_defined_in_loop_p): Removed.

gcc/ChangeLog.graphite

 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
+	(debug_clast_name_indexes_1): Removed.
+	(debug_clast_name_indexes): Removed.
+	(pbb_to_depth_to_oldiv): Removed.
+	(build_iv_mapping): Replace the use of rename_map with iv_map.
+	(translate_clast_user): Remove uses of rename_map.  Allocate and
+	free iv_map.
+	(translate_clast_for_loop): Remove uses of rename_map.
+	(translate_clast_for): Same.
+	(translate_clast_guard): Same.
+	(translate_clast): Same.
+	(gloog): Same.
+	* graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
+	* graphite-sese-to-poly.c (scev_analyzable_p): Moved...
+	* sese.c (set_rename): Now static.
+	(rename_variables_in_stmt): Removed.
+	(rename_uses): New.
+	(is_parameter): Removed.
+	(is_iv): Removed.
+	(expand_scalar_variables_call): Removed.
+	(expand_scalar_variables_ssa_name): Removed.
+	(expand_scalar_variables_expr): Removed.
+	(expand_scalar_variables_stmt): Removed.
+	(expand_scalar_variables): Removed.
+	(rename_variables): Removed.
+	(remove_condition): Removed.
+	(get_true_edge_from_guard_bb): Removed.
+	(get_false_edge_from_guard_bb): Removed.
+	(struct igp): Removed.
+	(default_before_guard): Removed.
+	(convert_for_phi_arg): Removed.
+	(add_guard_exit_phis): Removed.
+	(insert_guard_phis): Removed.
+	(graphite_copy_stmts_from_block): Now also uses iv_map and a
+	region.  Do not copy conditions.  Do not copy induction variables.
+	Call rename_uses.
+	(copy_bb_and_scalar_dependences): Allocate a local rename_map for
+	the translated statement.  Use the iv_map for the induction
+	variable renaming.
+	* sese.h (copy_bb_and_scalar_dependences): Update declaration.
+	(set_rename): Removed declaration.
+	(scev_analyzable_p): ...here.
+	* tree-chrec.c (chrec_apply_map): New.
+	* tree-chrec.h (chrec_apply_map): Declared.
+
+2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 	insert_loop_close_phis.
 	* sese.c (name_defined_in_loop_p): Removed.

gcc/graphite-clast-to-gimple.h

@@ -40,7 +40,6 @@ extern bool gloog (scop_p, htab_t);
 extern cloog_prog_clast scop_to_clast (scop_p);
 extern void debug_clast_stmt (struct clast_stmt *);
 extern void print_clast_stmt (FILE *, struct clast_stmt *);
-extern void debug_clast_name_indexes (htab_t);
 
 /* Hash function for data base element BB_PBB.  */
 

gcc/graphite-sese-to-poly.c

@@ -2333,20 +2333,6 @@ rewrite_reductions_out_of_ssa (scop_p scop)
 #endif
 }
 
-/* Return true when DEF can be analyzed in REGION by the scalar
-   evolution analyzer.  */
-
-static bool
-scev_analyzable_p (tree def, sese region)
-{
-  gimple stmt = SSA_NAME_DEF_STMT (def);
-  loop_p loop = loop_containing_stmt (stmt);
-  tree scev = scalar_evolution_in_region (region, loop, def);
-
-  return !chrec_contains_undetermined (scev)
-    && TREE_CODE (scev) != SSA_NAME;
-}
-
 /* Rewrite the scalar dependence of DEF used in USE_STMT with a memory
    read from ZERO_DIM_ARRAY.  */
 

gcc/sese.h

@@ -56,7 +56,8 @@ extern sese new_sese (edge, edge);
 extern void free_sese (sese);
 extern void sese_insert_phis_for_liveouts (sese, basic_block, edge, edge);
 extern void build_sese_loop_nests (sese);
-extern edge copy_bb_and_scalar_dependences (basic_block, sese, edge, htab_t);
+extern edge copy_bb_and_scalar_dependences (basic_block, sese, edge,
+					    VEC (tree, heap) *);
 extern struct loop *outermost_loop_in_sese (sese, basic_block);
 extern void insert_loop_close_phis (htab_t, loop_p);
 extern void insert_guard_phis (basic_block, edge, edge, htab_t, htab_t);
@@ -261,7 +262,6 @@ DEF_VEC_ALLOC_P (rename_map_elt, heap);
 extern void debug_rename_map (htab_t);
 extern hashval_t rename_map_elt_info (const void *);
 extern int eq_rename_map_elts (const void *, const void *);
-extern void set_rename (htab_t, tree, tree);
 
 /* Constructs a new SCEV_INFO_STR structure for VAR and INSTANTIATED_BELOW.  */
 
@@ -386,4 +386,19 @@ nb_common_loops (sese region, gimple_bb_p gbb1, gimple_bb_p gbb2)
   return sese_loop_depth (region, common);
 }
 
+/* Return true when DEF can be analyzed in REGION by the scalar
+   evolution analyzer.  */
+
+static inline bool
+scev_analyzable_p (tree def, sese region)
+{
+  gimple stmt = SSA_NAME_DEF_STMT (def);
+  loop_p loop = loop_containing_stmt (stmt);
+  tree scev = scalar_evolution_in_region (region, loop, def);
+
+  return !chrec_contains_undetermined (scev)
+    && TREE_CODE (scev) != SSA_NAME
+    && evolution_function_is_affine_p (scev);
+}
+
 #endif

gcc/tree-chrec.c

@@ -632,6 +632,23 @@ chrec_apply (unsigned var,
   return res;
 }
 
+/* For a given CHREC and an induction variable map IV_MAP that maps
+   (loop->num, expr) for every loop number of the current_loops an
+   expression, calls chrec_apply when the expression is not NULL.  */
+
+tree
+chrec_apply_map (tree chrec, VEC (tree, heap) *iv_map)
+{
+  int i;
+  tree expr;
+
+  for (i = 0; VEC_iterate (tree, iv_map, i, expr); i++)
+    if (expr)
+      chrec = chrec_apply (i, chrec, expr);
+
+  return chrec;
+}
+
 /* Replaces the initial condition in CHREC with INIT_COND.  */
 
 tree

gcc/tree-chrec.h

@@ -64,6 +64,7 @@ extern tree chrec_convert_aggressive (tree, tree);
 
 /* Operations.  */
 extern tree chrec_apply (unsigned, tree, tree);
+extern tree chrec_apply_map (tree, VEC (tree, heap) *);
 extern tree chrec_replace_initial_condition (tree, tree);
 extern tree initial_condition (tree);
 extern tree initial_condition_in_loop_num (tree, unsigned);