2470   HInstruction* sb = invoke->InputAt(0);  in TryReplaceStringBuilderAppend()  local
2474   if (!sb->IsNewInstance()) {  in TryReplaceStringBuilderAppend()
2480   for (const HUseListNode<HInstruction*>& use : sb->GetUses()) {  in TryReplaceStringBuilderAppend()
2502     if (user->InputCount() == 0u || user->InputAt(0u) != sb) {  in TryReplaceStringBuilderAppend()
2603   for (const HUseListNode<HEnvironment*>& use : sb->GetEnvUses()) {  in TryReplaceStringBuilderAppend()
2610     if (holder->InputCount() == 0 || holder->InputAt(0) != sb) {  in TryReplaceStringBuilderAppend()
2631       if (env->GetInstructionAt(i) == sb) {  in TryReplaceStringBuilderAppend()
2641   while (sb->HasNonEnvironmentUses()) {  in TryReplaceStringBuilderAppend()
2642     block->RemoveInstruction(sb->GetUses().front().GetUser());  in TryReplaceStringBuilderAppend()
2644   DCHECK(!sb->HasEnvironmentUses());  in TryReplaceStringBuilderAppend()
2645   block->RemoveInstruction(sb);  in TryReplaceStringBuilderAppend()