109     HBasicBlock* true_block = if_instruction->IfTrueSuccessor();  in Run()  local
111     DCHECK_NE(true_block, false_block);  in Run()
113     if (!IsSimpleBlock(true_block) ||  in Run()
115         !BlocksMergeTogether(true_block, false_block)) {  in Run()
118     HBasicBlock* merge_block = true_block->GetSingleSuccessor();  in Run()
123     while (!true_block->IsSingleGoto() && !true_block->IsSingleReturn()) {  in Run()
124       HInstruction* instr = true_block->GetFirstInstruction();  in Run()
133     DCHECK(true_block->IsSingleGoto() || true_block->IsSingleReturn());  in Run()
137     size_t predecessor_index_true = merge_block->GetPredecessorIndexOf(true_block);  in Run()
141     bool both_successors_return = true_block->IsSingleReturn() && false_block->IsSingleReturn();  in Run()
147       true_value = true_block->GetFirstInstruction()->InputAt(0);  in Run()
183     true_block->DisconnectAndDelete();  in Run()