57       DCHECK(block->GetPhis().IsEmpty()) << "Phis are not inserted at this stage";  in RemoveInstructionsAsUsersFromDeadBlocks()
136   DCHECK(reverse_post_order_.IsEmpty());  in ComputeDominanceInformation()
186   DCHECK(!reverse_post_order_.IsEmpty());  in TransformToSsa()
403   if (back_edges_.IsEmpty()) {  in Update()
536     DCHECK(instruction->GetUses().IsEmpty());  in Remove()
537     DCHECK(instruction->GetEnvUses().IsEmpty());  in Remove()
959          && GetPhis().IsEmpty()  in IsSingleGoto()
967   return !GetInstructions().IsEmpty() && GetLastInstruction()->IsControlFlow();  in EndsWithControlFlowInstruction()
971   return !GetInstructions().IsEmpty() && GetLastInstruction()->IsIf();  in EndsWithIf()
975   return !GetPhis().IsEmpty() && GetFirstPhi()->GetNext() == nullptr;  in HasSinglePhi()
997   if (!instruction_list.IsEmpty()) {  in AddAfter()
1010   if (IsEmpty()) {  in Add()
1022   DCHECK(dominated_blocks_.IsEmpty());  in DisconnectAndDelete()
1064     DCHECK(!successor->predecessors_.IsEmpty());  in DisconnectAndDelete()
1100   DCHECK(other->GetPhis().IsEmpty());  in MergeWith()
1120   while (!other->successors_.IsEmpty()) {  in MergeWith()
1145   DCHECK(GetDominatedBlocks().IsEmpty());  in MergeWithInlined()
1146   DCHECK(GetSuccessors().IsEmpty());  in MergeWithInlined()
1150   DCHECK(other->GetPhis().IsEmpty());  in MergeWithInlined()
1159   while (!other->successors_.IsEmpty()) {  in MergeWithInlined()
1176   while (!GetPredecessors().IsEmpty()) {  in ReplaceWith()
1180   while (!GetSuccessors().IsEmpty()) {  in ReplaceWith()
1208   DCHECK(block->GetSuccessors().IsEmpty());  in DeleteDeadBlock()
1209   DCHECK(block->GetPredecessors().IsEmpty());  in DeleteDeadBlock()
1210   DCHECK(block->GetDominatedBlocks().IsEmpty());  in DeleteDeadBlock()