patch to remove the analysis of module level static variables.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89559 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 84 deletions

diff --git a/gcc/cgraph.h b/gcc/cgraph.h
index 33209f6284b..180ddb8f40c 100644
--- a/gcc/cgraph.h
+++ b/gcc/cgraph.h
@@ -21,8 +21,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 
 #ifndef GCC_CGRAPH_H
 #define GCC_CGRAPH_H
-#include "hashtab.h"
-#include "bitmap.h"
 #include "tree.h"
 
 /* Information about the function collected locally.
@@ -37,16 +35,6 @@ struct cgraph_local_info GTY(())
      and it's address is never taken.  */
   bool local;
 
-  /* Set when function is defined in another compilation unit.  */
-  bool external;
-
-  /* Set when this function calls a function external of the
-     compilation unit.  In general, such calls are modeled as reading
-     and writing all variables (both bits on) but sometime there are
-     attributes on the called function so we can do better.  */
-  bool calls_read_all;
-  bool calls_write_all;
-
   /* Set once it has been finalized so we consider it to be output.  */
   bool finalized;
 
@@ -90,70 +78,6 @@ struct cgraph_rtl_info GTY(())
    bool pure_function;
 };
 
-/* FIXME -- PROFILE-RESTRUCTURE: When the next round of the profiling
-   code gets merged in, it will contain a restructing where ssa form
-   is built for every function within the compilation unit before the
-   rest of the compilation continues.  When this reorgination is done,
-   it will no longer be necessary to have the _decl_uid versions of
-   local_static_vars_info and global_static_vars_info structures.
-   Having both structures is now required because the _ann_uid values
-   for static variables are reset as each function is compiled.
-   Currently, the analysis is done using the _decl_uid versions and
-   converted to the _var_ann versions on demand.
-
-   Also, the var_anns_valid fields within these structures can also go
-   away.
-*/
-
-/* The static variables defined within the compilation unit that are
-   loaded or stored directly by function that owns this structure.  */ 
-
-struct local_static_vars_info_d GTY(())
-{
-  bitmap statics_read_by_decl_uid;
-  bitmap statics_written_by_decl_uid;
-};
-
-struct global_static_vars_info_d GTY(())
-{
-  bitmap statics_read_by_decl_uid;
-  bitmap statics_written_by_decl_uid;
-  bitmap statics_read_by_ann_uid;
-  bitmap statics_written_by_ann_uid;
-  bitmap statics_not_read_by_decl_uid;
-  bitmap statics_not_written_by_decl_uid;
-  bitmap statics_not_read_by_ann_uid;
-  bitmap statics_not_written_by_ann_uid;
-
-  /* var_anns_valid is reset at the start of compilation for each
-     function because the indexing that the "_var_anns" is based
-     on is invalidated between function compilations.  This allows for
-     lazy creation of the "_var_ann" variables.  */
-  bool var_anns_valid;
-};
-
-/* Statics that are read and written by some set of functions. The
-   local ones are based on the loads and stores local to the function.
-   The global ones are based on the local info as well as the
-   transitive closure of the functions that are called.  The
-   structures are separated to allow the global structures to be
-   shared between several functions since every function within a
-   strongly connected component will have the same information.  This
-   sharing saves both time and space in the computation of the vectors
-   as well as their translation from decl_uid form to ann_uid
-   form.  */ 
-
-typedef struct local_static_vars_info_d *local_static_vars_info_t;
-typedef struct global_static_vars_info_d *global_static_vars_info_t;
-
-struct static_vars_info_d GTY(()) 
-{
-  local_static_vars_info_t local;
-  global_static_vars_info_t global;
-};
-
-typedef struct static_vars_info_d *static_vars_info_t;
-
 /* The cgraph data structure.
    Each function decl has assigned cgraph_node listing callees and callers.  */
 
@@ -174,18 +98,12 @@ struct cgraph_node GTY((chain_next ("%h.next"), chain_prev ("%h.previous")))
   struct cgraph_node *next_needed;
   /* Pointer to the next clone.  */
   struct cgraph_node *next_clone;
-  /* Pointer to next node in a recursive call graph cycle; */
-  struct cgraph_node *next_cycle;
   PTR GTY ((skip)) aux;
 
   struct cgraph_local_info local;
   struct cgraph_global_info global;
   struct cgraph_rtl_info rtl;
   
-  /* Pointer to the structure that contains the sets of global
-     variables modified by function calls.  */
-  static_vars_info_t static_vars_info;
-
   /* Unique id of the node.  */
   int uid;
   /* Set when function must be output - it is externally visible
@@ -284,8 +202,6 @@ void cgraph_mark_inline_edge (struct cgraph_edge *e);
 void cgraph_clone_inlined_nodes (struct cgraph_edge *e, bool duplicate);
 void cgraph_build_static_cdtor (char which, tree body, int priority);
 void cgraph_reset_static_var_maps (void);
-bitmap get_global_statics_not_read (tree fn);
-bitmap get_global_statics_not_written(tree fn);
 void init_cgraph (void);
 
 #endif  /* GCC_CGRAPH_H  */