Move codegen related functions to graphite-isl-ast-to-gimple.c

No functional changes intended.
This patch passes regtest and bootstrap on linux-x86-64 with
BOOT_CFLAGS='-O2 -fgraphite-identity -floop-nest-optimize'

gcc/ChangeLog:

2015-11-14  hiraditya  <hiraditya@msn.com>

	* graphite-isl-ast-to-gimple.c (struct ast_build_info): Remove semicolon.
	(class translate_isl_ast_to_gimple): Indentation.
        (translate_pending_phi_nodes): Comment.
        (add_parameters_to_ivs_params): Moved from sese.c inside class translate_isl_ast_to_gimple.
        (get_max_schedule_dimensions): Same.
        (generate_isl_context): Same.
        (extend_schedule): Same.
        (generate_isl_schedule): Same.
        (set_options): Same.
        (scop_to_isl_ast): Same.
        (is_valid_rename): Same.
        (get_rename): Same.
        (get_rename_from_scev): Same.
        (get_def_bb_for_const): Same.
        (get_new_name): Same.
        (collect_all_ssa_names): Same.
        (copy_loop_phi_args): Same.
        (copy_loop_phi_nodes): Same.
        (copy_loop_close_phi_args): Same.
        (copy_loop_close_phi_nodes): Same.
        (copy_cond_phi_args): Same.
        (copy_cond_phi_nodes): Same.
        (graphite_copy_stmts_from_block): Same.
        (copy_bb_and_scalar_dependences): Same.
        (add_phi_arg_for_new_expr): Same.
        (rename_uses): Same.
        (set_rename): Same.
        (set_rename_for_each_def): Same.
        (gsi_insert_earliest): Same.
        (rename_all_uses): Same.
        (codegen_error_p): Same.
        (print_isl_ast_node): Same.
	(translate_isl_ast_for_loop): Call function codegen_error_p.
	(translate_isl_ast_to_gimple::translate_isl_ast): Same.
        (translate_isl_ast_node_user): Make nb_loops const and release iv_map before exit.
	(get_true_edge_from_guard_bb): Move all free-functions early.
	(get_false_edge_from_guard_bb): Same.
	(bb_contains_loop_close_phi_nodes): Same.
	(bb_contains_loop_phi_nodes): Same.
	(is_loop_closed_ssa_use):  Same.
	(number_of_phi_nodes): Same.
	(phi_uses_name): Same.
	(later_of_the_two): Same.
	(substitute_ssa_name):
	(get_edges): Same.
	(get_loc): Same.
	(get_loop_init_value): Same.
	(find_init_value): Same.
	(find_init_value_close_phi): Same.
	(ast_build_before_for): Same.
	(graphite_regenerate_ast_isl): Formatting changes.
	* graphite-scop-detection.c (build_cross_bb_scalars_use): Same.
	* sese.c (get_rename): Move to graphite-isl-ast-to-gimple.c
	(set_rename): Same.
	(gsi_insert_earliest): Same.
	(collect_all_ssa_names): Same.
	(rename_all_uses): Same.
	(rename_uses): Same.
	(get_def_bb_for_const): Same.
	(copy_loop_phi_nodes): Same.
	(copy_loop_close_phi_args): Same.
	(copy_loop_close_phi_nodes): Same.
	(copy_cond_phi_args): Same.
	(copy_cond_phi_nodes): Same.
	(set_rename_for_each_def): Same.
	(graphite_copy_stmts_from_block): Same.
	(copy_bb_and_scalar_dependences): Same.
	(if_region_set_false_region): Same.
	(scev_analyzable_p): Same.
	* sese.h: Delete extern functions moved to graphite-isl-ast-to-gimple.c

From-SVN: r230566

1 files changed, 1 insertions, 43 deletions

diff --git a/gcc/sese.h b/gcc/sese.h
index bce226a..c3d4c9a 100644
--- a/gcc/sese.h
+++ b/gcc/sese.h
@@ -59,7 +59,6 @@ get_exit_bb (sese_l &s)
 }
 
 /* Returns the index of V where ELEM can be found. -1 Otherwise.  */
-
 template<typename T>
 int
 vec_find (const vec<T> &v, const T &elem)
@@ -109,21 +108,10 @@ extern sese_info_p new_sese_info (edge, edge);
 extern void free_sese_info (sese_info_p);
 extern void sese_insert_phis_for_liveouts (sese_info_p, basic_block, edge, edge);
 extern void build_sese_loop_nests (sese_info_p);
-extern edge copy_bb_and_scalar_dependences (basic_block, sese_info_p, edge,
-					    vec<tree> , bool *);
 extern struct loop *outermost_loop_in_sese (sese_l &, basic_block);
 extern tree scalar_evolution_in_region (sese_l &, loop_p, tree);
+extern bool scev_analyzable_p (tree, sese_l &);
 extern bool invariant_in_sese_p_rec (tree, sese_l &, bool *);
-extern bool bb_contains_loop_phi_nodes (basic_block);
-extern bool bb_contains_loop_close_phi_nodes (basic_block);
-extern std::pair<edge, edge> get_edges (basic_block bb);
-extern void copy_loop_phi_args (gphi *, init_back_edge_pair_t &,
-				gphi *, init_back_edge_pair_t &,
-				sese_info_p, bool);
-extern bool copy_loop_close_phi_args (basic_block, basic_block,
-				      sese_info_p, bool);
-extern bool copy_cond_phi_args (gphi *, gphi *, vec<tree>,
-				sese_info_p, bool);
 
 /* Check that SESE contains LOOP.  */
 
@@ -360,34 +348,4 @@ nb_common_loops (sese_l &region, gimple_poly_bb_p gbb1, gimple_poly_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_l &region)
-{
-  loop_p loop;
-  tree scev;
-  tree type = TREE_TYPE (def);
-
-  /* When Graphite generates code for a scev, the code generator
-     expresses the scev in function of a single induction variable.
-     This is unsafe for floating point computations, as it may replace
-     a floating point sum reduction with a multiplication.  The
-     following test returns false for non integer types to avoid such
-     problems.  */
-  if (!INTEGRAL_TYPE_P (type)
-      && !POINTER_TYPE_P (type))
-    return false;
-
-  loop = loop_containing_stmt (SSA_NAME_DEF_STMT (def));
-  scev = scalar_evolution_in_region (region, loop, def);
-
-  return !chrec_contains_undetermined (scev)
-    && (TREE_CODE (scev) != SSA_NAME
-	|| !defined_in_sese_p (scev, region))
-    && (tree_does_not_contain_chrecs (scev)
-	|| evolution_function_is_affine_p (scev));
-}
-
 #endif