contrib/gcc/tree-stdarg.c

120   tree stmt, lhs, orig_lhs;
135   orig_lhs = lhs = rhs;
136   while (lhs)
138       if (si->offsets[SSA_NAME_VERSION (lhs)] != -1)
146 	  ret -= counter_val - si->offsets[SSA_NAME_VERSION (lhs)];
150       stmt = SSA_NAME_DEF_STMT (lhs);
153 	  || TREE_OPERAND (stmt, 0) != lhs)
162 	  lhs = rhs;
170 	  lhs = TREE_OPERAND (rhs, 0);
180 	  lhs = TREE_OPERAND (rhs, 0);
197       lhs = NULL;
200   lhs = orig_lhs;
202   while (lhs)
204       if (si->offsets[SSA_NAME_VERSION (lhs)] != -1)
208 	si->offsets[SSA_NAME_VERSION (lhs)] = max_size;
210 	si->offsets[SSA_NAME_VERSION (lhs)] = val;
212       stmt = SSA_NAME_DEF_STMT (lhs);
220 	  lhs = rhs;
228 	  lhs = TREE_OPERAND (rhs, 0);
238 	  lhs = TREE_OPERAND (rhs, 0);
242       lhs = NULL;
445 check_va_list_escapes (struct stdarg_info *si, tree lhs, tree rhs)
461   if (TREE_CODE (lhs) != SSA_NAME || is_global_var (SSA_NAME_VAR (lhs)))
490   if (va_list_counter_bump (si, si->va_start_ap, lhs, true)
498 		  DECL_UID (SSA_NAME_VAR (lhs)));
527 		  tree lhs = TREE_OPERAND (stmt, 0);
566 		      if (TREE_CODE (lhs) == SSA_NAME
568 					   DECL_UID (SSA_NAME_VAR (lhs))))
571 		      if (TREE_CODE (lhs) == VAR_DECL
573 					   DECL_UID (lhs)))
753 	  tree phi, lhs, rhs;
759 	      lhs = PHI_RESULT (phi);
761 	      if (!is_gimple_reg (lhs))
767 		  if (va_list_ptr_read (&si, rhs, lhs))
769 		  else if (va_list_ptr_write (&si, lhs, rhs))
772 		    check_va_list_escapes (&si, lhs, rhs);
812 	      tree lhs = TREE_OPERAND (stmt, 0);
821 		  if (va_list_ptr_read (&si, rhs, lhs))
829 		  else if (va_list_ptr_write (&si, lhs, rhs))
833 		    check_va_list_escapes (&si, lhs, rhs);
838 		  if (va_list_counter_struct_op (&si, lhs, rhs, true))
842 		  else if (va_list_counter_struct_op (&si, rhs, lhs, false))
847 			   && targetm.stdarg_optimize_hook (&si, lhs, rhs))