contrib/gcc/tree-into-ssa.c

31 #include "hard-reg-set.h"
61 /* Structure to map a variable VAR to the set of blocks that contain
68   /* Blocks that contain definitions of VAR.  Bit I will be set if the
95      underlying variable should be set to the given SSA_NAME.
139    create new names on the fly.  FIXME.  Currently set to 1/3 to avoid
148   bitmap set;
181   /* This bitmap contains the variables which are set before they
219 /* The set of blocks affected by update_ssa.  */
354 /* Compute global livein information given the set of blockx where
356    and the set of blocks where the object is defined (DEF_BLOCKS).
446 /* Return the set of blocks where variable VAR is defined and the blocks
591   BITMAP_FREE (((struct repl_map_d *)p)->set);
611   return ((struct repl_map_d *) *slot)->set;
629       mp->set = BITMAP_ALLOC (NULL);
635   bitmap_set_bit (mp->set, SSA_NAME_VERSION (old));
640    represents the set of names O_1 ... O_j replaced by N_i.  This is
653      caller may have created new names since the set was created.  */
740   /* If a variable is used before being set, then the variable is live
998 /* Given a set of blocks with variable definitions (DEF_BLOCKS),
1003    The resulting set of blocks are the potential sites where PHI nodes
1059 /* Return the set of blocks where variable VAR is defined and the blocks
1122    for the newly created PHI node are set to VAR.
1237   /* If this variable is set in a single basic block and all uses are
1238      dominated by the set(s) in that single basic block, then there is
1242      This is the same test to prune the set of variables which may
1913    BLOCKS are the set of interesting blocks for the dominator walker
1914       to process.  If this set is NULL, then all the nodes dominated
2043   /* Create the set of interesting blocks that will be filled by
2094   /* Initialize the set of interesting blocks.  The callback
2095      mark_def_sites will add to this set those blocks that the renamer
2151    renamer.  BLOCKS is the set of blocks that need updating.  */
2171 	  bitmap set = names_replaced_by (var);
2172 	  if (set)
2173 	    EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi)
2592      their own, set the current reaching definition of OLD_NAME to be
2632 mark_set_for_renaming (bitmap set)
2637   if (bitmap_empty_p (set))
2643   bitmap_ior_into (syms_to_rename, set);
2645   EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi)
2677 /* Return the set of all the SSA names marked to be replaced.  */
2709    frontier information.  BLOCKS is the set of blocks to be updated.
2883 /* Given a set of newly created SSA names (NEW_SSA_NAMES) and a set of
2970   /* Only one update flag should be set.  */
3037 	 and set local live-in information for the PHI placement
3068 	     when inserting new PHI nodes, so the set OLD_SSA_NAMES