Make the interface to update a little more efficient

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-27 20:24:17 +00:00
parent 5f82b8a1ad
commit ef05100950

View File

@ -378,24 +378,26 @@ public:
virtual void releaseMemory() { Frontiers.clear(); }
// Accessor interface:
typedef DomSetMapType::iterator iterator;
typedef DomSetMapType::const_iterator const_iterator;
iterator begin() { return Frontiers.begin(); }
const_iterator begin() const { return Frontiers.begin(); }
iterator end() { return Frontiers.end(); }
const_iterator end() const { return Frontiers.end(); }
const_iterator find(BasicBlock* B) const { return Frontiers.find(B); }
iterator find(BasicBlock *B) { return Frontiers.find(B); }
const_iterator find(BasicBlock *B) const { return Frontiers.find(B); }
void addBasicBlock(BasicBlock *BB, const DomSetType &frontier) {
assert(find(BB) == end() && "Block already in DominanceFrontier!");
Frontiers.insert(std::make_pair(BB, frontier));
}
void addToFrontier(BasicBlock *BB, BasicBlock *Node) {
DomSetMapType::iterator I = Frontiers.find(BB);
void addToFrontier(iterator I, BasicBlock *Node) {
assert(I != end() && "BB is not in DominanceFrontier!");
I->second.insert(Node);
}
void removeFromFrontier(BasicBlock *BB, BasicBlock *Node) {
DomSetMapType::iterator I = Frontiers.find(BB);
void removeFromFrontier(iterator I, BasicBlock *Node) {
assert(I != end() && "BB is not in DominanceFrontier!");
assert(I->second.count(Node) && "Node is not in DominanceFrontier of BB");
I->second.erase(Node);