PR target/43067

[pf3gnuchains/gcc-fork.git] / gcc / tree-inline.h

diff --git a/gcc/tree-inline.h b/gcc/tree-inline.h
index d731752..29932e8 100644 (file)
--- a/gcc/tree-inline.h
+++ b/gcc/tree-inline.h
@@ -1,12 +1,13 @@
 /* Tree inlining hooks and declarations.
 /* Tree inlining hooks and declarations.

-   Copyright 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright 2001, 2003, 2004, 2005, 2007, 2008, 2009
+   Free Software Foundation, Inc.

    Contributed by Alexandre Oliva  <aoliva@redhat.com>
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
    Contributed by Alexandre Oliva  <aoliva@redhat.com>
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)

 any later version.
 
 GCC is distributed in the hope that it will be useful,
 any later version.
 
 GCC is distributed in the hope that it will be useful,


@@ -15,16 +16,26 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License

-along with GCC; see the file COPYING.  If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */

 
 #ifndef GCC_TREE_INLINE_H
 #define GCC_TREE_INLINE_H
 
 
 #ifndef GCC_TREE_INLINE_H
 #define GCC_TREE_INLINE_H
 

-#include "varray.h"
-#include "splay-tree.h"
+#include "gimple.h"

 
 

+struct cgraph_edge;
+
+/* Indicate the desired behavior wrt call graph edges.  We can either
+   duplicate the edge (inlining, cloning), move the edge (versioning,
+   parallelization), or move the edges of the clones (saving).  */
+
+enum copy_body_cge_which
+{
+  CB_CGE_DUPLICATE,
+  CB_CGE_MOVE,
+  CB_CGE_MOVE_CLONES
+};

 
 /* Data required for function body duplication.  */
 
 
 /* Data required for function body duplication.  */
 


@@ -33,13 +44,17 @@ typedef struct copy_body_data
   /* FUNCTION_DECL for function being inlined, or in general the
      source function providing the original trees.  */
   tree src_fn;
   /* FUNCTION_DECL for function being inlined, or in general the
      source function providing the original trees.  */
   tree src_fn;

+

   /* FUNCTION_DECL for function being inlined into, or in general
      the destination function receiving the new trees.  */
   tree dst_fn;
   /* FUNCTION_DECL for function being inlined into, or in general
      the destination function receiving the new trees.  */
   tree dst_fn;

+

   /* Callgraph node of the source function.  */
   struct cgraph_node *src_node;
   /* Callgraph node of the source function.  */
   struct cgraph_node *src_node;

+

   /* Callgraph node of the destination function.  */
   struct cgraph_node *dst_node;
   /* Callgraph node of the destination function.  */
   struct cgraph_node *dst_node;

+

   /* struct function for function being inlined.  Usually this is the same
      as DECL_STRUCT_FUNCTION (src_fn), but can be different if saved_cfg
      and saved_eh are in use.  */
   /* struct function for function being inlined.  Usually this is the same
      as DECL_STRUCT_FUNCTION (src_fn), but can be different if saved_cfg
      and saved_eh are in use.  */


@@ -47,9 +62,10 @@ typedef struct copy_body_data
 
   /* The VAR_DECL for the return value.  */
   tree retvar;
 
   /* The VAR_DECL for the return value.  */
   tree retvar;

+

   /* The map from local declarations in the inlined function to
      equivalents in the function into which it is being inlined.  */
   /* The map from local declarations in the inlined function to
      equivalents in the function into which it is being inlined.  */

-  splay_tree decl_map;
+  struct pointer_map_t *decl_map;

 
   /* Create a new decl to replace DECL in the destination function.  */
   tree (*copy_decl) (tree, struct copy_body_data *);
 
   /* Create a new decl to replace DECL in the destination function.  */
   tree (*copy_decl) (tree, struct copy_body_data *);


@@ -57,24 +73,23 @@ typedef struct copy_body_data
   /* Current BLOCK.  */
   tree block;
 
   /* Current BLOCK.  */
   tree block;
 

-  /* Exception region the inlined call lie in.  */
-  int eh_region;
-  /* Take region number in the function being copied, add this value and
-     get eh region number of the duplicate in the function we inline into.  */
-  int eh_region_offset;
+  /* GIMPLE_CALL if va arg parameter packs should be expanded or NULL
+     is not.  */
+  gimple gimple_call;
+
+  /* Exception landing pad the inlined call lies in.  */
+  int eh_lp_nr;
+
+  /* Maps region and landing pad structures from the function being copied
+     to duplicates created within the function we inline into.  */
+  struct pointer_map_t *eh_map;

 
   /* We use the same mechanism do all sorts of different things.  Rather
 
   /* We use the same mechanism do all sorts of different things.  Rather

-     than enumerating the different cases, we categorize the behaviour
+     than enumerating the different cases, we categorize the behavior

      in the various situations.  */
 
      in the various situations.  */
 

-  /* Indicate the desired behaviour wrt call graph edges.  We can either
-     duplicate the edge (inlining, cloning), move the edge (versioning,
-     parallelization), or move the edges of the clones (saving).  */
-  enum copy_body_cge_which {
-    CB_CGE_DUPLICATE,
-    CB_CGE_MOVE,
-    CB_CGE_MOVE_CLONES
-  } transform_call_graph_edges;
+  /* What to do with call graph edges.  */
+  enum copy_body_cge_which transform_call_graph_edges;

 
   /* True if a new CFG should be created.  False for inlining, true for
      everything else.  */
 
   /* True if a new CFG should be created.  False for inlining, true for
      everything else.  */


@@ -85,36 +100,93 @@ typedef struct copy_body_data
      by manipulating the CFG rather than a statement.  */
   bool transform_return_to_modify;
 
      by manipulating the CFG rather than a statement.  */
   bool transform_return_to_modify;
 

-  /* True if lang_hooks.decls.insert_block should be invoked when
-     duplicating BLOCK nodes.  */
-  bool transform_lang_insert_block;
+  /* True if this statement will need to be regimplified.  */
+  bool regimplify;
+
+  /* True if trees should not be unshared.  */
+  bool do_not_unshare;
+
+  /* > 0 if we are remapping a type currently.  */
+  int remapping_type_depth;
+
+  /* A function to be called when duplicating BLOCK nodes.  */
+  void (*transform_lang_insert_block) (tree);
+
+  /* Statements that might be possibly folded.  */
+  struct pointer_set_t *statements_to_fold;
+
+  /* Entry basic block to currently copied body.  */
+  struct basic_block_def *entry_bb;
+
+  /* Debug statements that need processing.  */
+  VEC(gimple,heap) *debug_stmts;
+
+  /* A map from local declarations in the inlined function to
+     equivalents in the function into which it is being inlined, where
+     the originals have been mapped to a value rather than to a
+     variable.  */
+  struct pointer_map_t *debug_map;

 } copy_body_data;
 
 } copy_body_data;
 

+/* Weights of constructions for estimate_num_insns.  */
+
+typedef struct eni_weights_d
+{
+  /* Cost per call.  */
+  unsigned call_cost;
+
+  /* Cost per call to a target specific builtin */
+  unsigned target_builtin_call_cost;
+
+  /* Cost of "expensive" div and mod operations.  */
+  unsigned div_mod_cost;
+
+  /* Cost for omp construct.  */
+  unsigned omp_cost;
+
+  /* True when time of statemnt should be estimated.  Thus i.e
+     cost of switch statement is logarithmic rather than linear in number
+     of cases.  */
+  bool time_based;
+} eni_weights;
+
+/* Weights that estimate_num_insns uses for heuristics in inlining.  */
+
+extern eni_weights eni_inlining_weights;
+
+/* Weights that estimate_num_insns uses to estimate the size of the
+   produced code.  */
+
+extern eni_weights eni_size_weights;
+
+/* Weights that estimate_num_insns uses to estimate the time necessary
+   to execute the produced code.  */
+
+extern eni_weights eni_time_weights;
+

 /* Function prototypes.  */
 
 /* Function prototypes.  */
 

-extern tree copy_body_r (tree *, int *, void *);
+extern tree copy_tree_body_r (tree *, int *, void *);

 extern void insert_decl_map (copy_body_data *, tree, tree);
 
 extern void insert_decl_map (copy_body_data *, tree, tree);
 

-void optimize_inline_calls (tree);
+unsigned int optimize_inline_calls (tree);
+tree maybe_inline_call_in_expr (tree);

 bool tree_inlinable_function_p (tree);
 tree copy_tree_r (tree *, int *, void *);
 bool tree_inlinable_function_p (tree);
 tree copy_tree_r (tree *, int *, void *);

-void clone_body (tree, tree, void *);
+tree copy_decl_no_change (tree decl, copy_body_data *id);

 void save_body (tree, tree *, tree *);
 int estimate_move_cost (tree type);
 void save_body (tree, tree *, tree *);
 int estimate_move_cost (tree type);

-void push_cfun (struct function *new_cfun);
-void pop_cfun (void);
-int estimate_num_insns (tree expr);
+int estimate_num_insns (gimple, eni_weights *);
+int estimate_num_insns_fn (tree, eni_weights *);
+int count_insns_seq (gimple_seq, eni_weights *);

 bool tree_versionable_function_p (tree);
 bool tree_versionable_function_p (tree);

-void tree_function_versioning (tree, tree, varray_type, bool);
+bool tree_can_inline_p (struct cgraph_edge *e);

 
 

+extern gimple_seq remap_gimple_seq (gimple_seq, copy_body_data *);

 extern tree remap_decl (tree decl, copy_body_data *id);
 extern tree remap_type (tree type, copy_body_data *id);
 extern tree remap_decl (tree decl, copy_body_data *id);
 extern tree remap_type (tree type, copy_body_data *id);

+extern gimple_seq copy_gimple_seq_and_replace_locals (gimple_seq seq);

 
 

-/* 0 if we should not perform inlining.
-   1 if we should expand functions calls inline at the tree level.
-   2 if we should consider *all* functions to be inline
-   candidates.  */
-
-extern int flag_inline_trees;
+extern HOST_WIDE_INT estimated_stack_frame_size (void);

 
 #endif /* GCC_TREE_INLINE_H */
 
 #endif /* GCC_TREE_INLINE_H */