Lines Matching refs:BB_HEAD
89 next_head = BB_HEAD (bb->next_bb);
170 rtx label = BB_HEAD (bb);
213 if (PREV_INSN (BB_HEAD (bb)) && next_insn != BB_HEAD (bb))
215 PREV_INSN (BB_HEAD (bb)));
623 NEXT_INSN (insn) = BB_HEAD (bb);
625 set_first_insn (BB_HEAD (bb));
626 PREV_INSN (BB_HEAD (bb)) = insn;
805 && !LABEL_P (BB_HEAD (bb)))
939 rtx insn = BB_HEAD (bb);
1045 insn = duplicate_insn_chain (BB_HEAD (bb), BB_END (bb));