215 	rtx note, next;  in init_label_info()  local
217 	for (note = REG_NOTES (insn); note; note = next)  in init_label_info()
219 	    next = XEXP (note, 1);  in init_label_info()
220 	    if (REG_NOTE_KIND (note) == REG_LABEL  in init_label_info()
221 		&& ! reg_mentioned_p (XEXP (note, 0), PATTERN (insn)))  in init_label_info()
222 	      remove_note (insn, note);  in init_label_info()
1221 delete_prior_computation (rtx note, rtx insn)  in delete_prior_computation()  argument
1224   rtx reg = XEXP (note, 0);  in delete_prior_computation()
1326 	  XEXP (note, 1) = REG_NOTES (our_prev);  in delete_prior_computation()
1327 	  REG_NOTES (our_prev) = note;  in delete_prior_computation()
1349   rtx note, next;  in delete_computation()  local
1375   for (note = REG_NOTES (insn); note; note = next)  in delete_computation()
1377       next = XEXP (note, 1);  in delete_computation()
1379       if (REG_NOTE_KIND (note) != REG_DEAD  in delete_computation()
1381 	  || !REG_P (XEXP (note, 0)))  in delete_computation()
1384       delete_prior_computation (note, insn);  in delete_computation()
1402   rtx note;  in delete_related_insns()  local
1472     for (note = REG_NOTES (insn); note; note = XEXP (note, 1))  in delete_related_insns()
1473       if (REG_NOTE_KIND (note) == REG_LABEL  in delete_related_insns()
1475 	  && LABEL_P (XEXP (note, 0)))  in delete_related_insns()
1476 	if (LABEL_NUSES (XEXP (note, 0)) == 0)  in delete_related_insns()
1477 	  delete_related_insns (XEXP (note, 0));  in delete_related_insns()
1673   rtx note;  in redirect_jump_2()  local
1680   if ((note = find_reg_note (jump, REG_EQUAL, NULL_RTX)) != NULL_RTX)  in redirect_jump_2()
1682       if (!nlabel || (invert && !invert_exp_1 (XEXP (note, 0), jump)))  in redirect_jump_2()
1683 	remove_note (jump, note);  in redirect_jump_2()
1686 	  redirect_exp_1 (&XEXP (note, 0), olabel, nlabel, jump);  in redirect_jump_2()