3332             rtx_insn *use_insn = DF_REF_INSN (use);  in def_dominates_uses()  local
3333             if (!DEBUG_INSN_P (use_insn))  in def_dominates_uses()
3335                 basic_block use_bb = BLOCK_FOR_INSN (use_insn);  in def_dominates_uses()
3708       rtx_insn *use_insn = 0;  in combine_and_move_insns()  local
3716               gcc_assert (!use_insn);  in combine_and_move_insns()
3717               use_insn = DF_REF_INSN (use);  in combine_and_move_insns()
3719       gcc_assert (use_insn);  in combine_and_move_insns()
3723       if (JUMP_P (use_insn))  in combine_and_move_insns()
3728       if (GET_CODE (PATTERN (use_insn)) == TRAP_IF)  in combine_and_move_insns()
3741       basic_block use_bb = BLOCK_FOR_INSN (use_insn);  in combine_and_move_insns()
3748                                            *reg_equiv[regno].src_p, use_insn))  in combine_and_move_insns()
3757                       XEXP (link, 1) = REG_NOTES (use_insn);  in combine_and_move_insns()
3758                       REG_NOTES (use_insn) = link;  in combine_and_move_insns()
3764             remove_death (regno, use_insn);  in combine_and_move_insns()
3784       else if (prev_nondebug_insn (use_insn) != def_insn)  in combine_and_move_insns()
3788             new_insn = emit_insn_before (PATTERN (def_insn), use_insn);  in combine_and_move_insns()
3805             if (use_insn == BB_HEAD (use_bb))  in combine_and_move_insns()
3817             if (find_reg_note (use_insn, REG_EQUIV, regno_reg_rtx[regno]))  in combine_and_move_insns()
3819                 rtx set = single_set (use_insn);  in combine_and_move_insns()
4711       rtx_insn *use_insn = closest_uses[i];  in find_moveable_pseudos()  local
4756                       && !control_flow_insn_p (use_insn)  in find_moveable_pseudos()
4757                       && (!HAVE_cc0 || !sets_cc0_p (use_insn)))  in find_moveable_pseudos()
4759                       if (modified_between_p (DF_REF_REG (use), def_insn, use_insn))  in find_moveable_pseudos()
4764                                 gcc_assert (x != use_insn);  in find_moveable_pseudos()
4770                           emit_insn_after (PATTERN (x), use_insn);  in find_moveable_pseudos()
4799                 emit_insn_before (gen_move_insn (def_reg, newreg), use_insn);  in find_moveable_pseudos()