gcc/gcc/tree-into-ssa.c

185      uses seen so far.  If after finding all definition and use sites
348    distinguish statements that need to have both uses and defs
351    registered, but they don't need to have their uses renamed.  */
547      of VAR.  Additionally, we have not seen any uses of VAR yet, so
687    2- If S uses a variable VAR and there is no preceding kill of VAR,
797 prune_unused_phi_nodes (bitmap phis, bitmap kills, bitmap uses)
809   if (bitmap_empty_p (uses))
818   bitmap_and_compl (to_remove, kills, uses);
831      Instead, we basically emulate standard dce.  We put all uses to worklist,
842      If we store the bounds for all the uses to an array and sort it, we can
906   /* Now process the uses.  */
908   EXECUTE_IF_SET_IN_BITMAP (uses, 0, i, bi)
938       /* Add the new uses to the worklist.  */
943 	  if (bitmap_bit_p (uses, u))
948 	     uses dominated by a def directly in their block have been filtered
953 	  bitmap_set_bit (uses, u);
1150   /* If this variable is set in a single basic block and all uses are
1235 /* Helper function for rewrite_stmt.  Rewrite uses in a debug stmt.  */
1316 	      /* If there are some non-debug uses in the current bb,
1390 	       clobber stmts and replace uses with a new default def.  */
2529    If INSERT_PHI_P is true, mark those uses as live in the
2565       /* Mark the uses in phi nodes as interesting.  It would be more correct
2708   /* First process names in NEW_SSA_NAMES.  Otherwise, uses of old
2928 /* Replace all uses of NAME by underlying variable and mark it
2952 /* Replace all uses of the virtual PHI result by its underlying variable
3177    We want to replace all the uses of x_1 with the new definitions of
3178    x_10 and x_11.  Note that the only uses that should be replaced are
3233 		  error ("statement uses released SSA name:");
3307       /* Traverse the CFG looking for existing definitions and uses of
3325 	     into SSA for the remaining symbol uses.  */