108     HBasicBlock* false_block = if_instruction->IfFalseSuccessor();  in Run()  local
109     DCHECK_NE(true_block, false_block);  in Run()
112         !IsSimpleBlock(false_block) ||  in Run()
113         !BlocksMergeTogether(true_block, false_block)) {  in Run()
126     while (!false_block->IsSingleGoto() && !false_block->IsSingleReturn()) {  in Run()
127       HInstruction* instr = false_block->GetFirstInstruction();  in Run()
132     DCHECK(false_block->IsSingleGoto() || false_block->IsSingleReturn());  in Run()
136     size_t predecessor_index_false = merge_block->GetPredecessorIndexOf(false_block);  in Run()
139     bool both_successors_return = true_block->IsSingleReturn() && false_block->IsSingleReturn();  in Run()
146       false_value = false_block->GetFirstInstruction()->InputAt(0);  in Run()
175       false_block->GetFirstInstruction()->ReplaceInput(select, 0);  in Run()
184     DCHECK_EQ(block->GetSingleSuccessor(), false_block);  in Run()
185     block->MergeWith(false_block);  in Run()