104       : vreg_high_words_.IsBitSet(v_reg);  in AddMIRWithDef()
115         : !vreg_high_words_.IsBitSet(v_reg + 1);  in AddMIRWithDef()
131     DCHECK(!vreg_high_words_.IsBitSet(data->vreg_def));  in RemoveLastMIRData()
138       DCHECK(vreg_high_words_.IsBitSet(data->vreg_def + 1));  in RemoveLastMIRData()
225       DCHECK(!vreg_high_words_.IsBitSet(v_reg));  // Keep marked as low word.  in UpdateInitialVRegValue()
241       DCHECK(!vreg_high_words_.IsBitSet(v_reg));  // Keep marked as low word.  in UpdateInitialVRegValue()
253       DCHECK(!vreg_high_words_.IsBitSet(v_reg + 1));  // Keep marked as low word.  in UpdateInitialVRegValue()
320       DCHECK_EQ(vreg_high_words_.IsBitSet(v_reg), v_reg == old_data->vreg_def + 1);  in ReplaceChange()
338       DCHECK_EQ(vreg_high_words_.IsBitSet(v_reg), v_reg == data->vreg_def + 1);  in RemoveChange()
892     if (data->has_def && vregs_to_kill_->IsBitSet(data->vreg_def)) {  in FindChangesToKill()
899     if (data->has_def && data->wide_def && vregs_to_kill_->IsBitSet(data->vreg_def + 1)) {  in FindChangesToKill()
910         if (dependent_vregs_->IsBitSet(mir_graph_->SRegToVReg(ssa_rep->uses[i]))) {  in FindChangesToKill()
921         vreg_chains_.IsTopChange(change) && !vregs_to_kill_->IsBitSet(data->vreg_def) &&  in FindChangesToKill()
922         !unused_vregs_->IsBitSet(data->vreg_def) &&  in FindChangesToKill()
923         (!data->wide_def || !unused_vregs_->IsBitSet(data->vreg_def + 1))) {  in FindChangesToKill()
963   if (unused_vregs_->IsBitSet(last_data->vreg_def) ||  in BackwardPassTryToKillLastMIR()
964       (last_data->wide_def && unused_vregs_->IsBitSet(last_data->vreg_def + 1))) {  in BackwardPassTryToKillLastMIR()