Add Block::successors.

This commit is contained in:
Dejan Mircevski 2016-01-17 23:27:45 -05:00
parent 60a7f3f7ae
commit 5fe789b4af
2 changed files with 5 additions and 4 deletions

View File

@ -857,7 +857,7 @@ void Builder::leaveFunction()
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

View File

@ -162,9 +162,10 @@ public:
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; }
@ -206,7 +207,7 @@ protected:
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;