if (! block->isTerminated()) {
// Whether we're in an unreachable (non-entry) block.
- bool unreachable = function.getEntryBlock() != block && block->getNumPredecessors() == 0;
+ bool unreachable = function.getEntryBlock() != block && block->getPredecessors().empty();
if (unreachable) {
// Given that this block is at the end of a function, it must be right after an
Function& getParent() const { return parent; }
void addInstruction(std::unique_ptr<Instruction> inst);
- void addPredecessor(Block* pred) { predecessors.push_back(pred); }
+ void addPredecessor(Block* pred) { predecessors.push_back(pred); pred->successors.push_back(this);}
void addLocalVariable(std::unique_ptr<Instruction> inst) { localVariables.push_back(std::move(inst)); }
- int getNumPredecessors() const { return (int)predecessors.size(); }
+ const std::vector<Block*> getPredecessors() const { return predecessors; }
+ const std::vector<Block*> getSuccessors() const { return successors; }
void setUnreachable() { unreachable = true; }
bool isUnreachable() const { return unreachable; }
friend Function;
std::vector<std::unique_ptr<Instruction> > instructions;
- std::vector<Block*> predecessors;
+ std::vector<Block*> predecessors, successors;
std::vector<std::unique_ptr<Instruction> > localVariables;
Function& parent;