+ /// NonLocalDepEntry - This is an entry in the NonLocalDepInfo cache. For
+ /// each BasicBlock (the BB entry) it keeps a MemDepResult.
+ class NonLocalDepEntry {
+ BasicBlock *BB;
+ MemDepResult Result;
+ public:
+ NonLocalDepEntry(BasicBlock *bb, MemDepResult result)
+ : BB(bb), Result(result) {}
+
+ // This is used for searches.
+ NonLocalDepEntry(BasicBlock *bb) : BB(bb) {}
+
+ // BB is the sort key, it can't be changed.
+ BasicBlock *getBB() const { return BB; }
+
+ void setResult(const MemDepResult &R) { Result = R; }
+
+ const MemDepResult &getResult() const { return Result; }
+
+ bool operator<(const NonLocalDepEntry &RHS) const {
+ return BB < RHS.BB;
+ }
+ };
+
+ /// NonLocalDepResult - This is a result from a NonLocal dependence query.
+ /// For each BasicBlock (the BB entry) it keeps a MemDepResult and the
+ /// (potentially phi translated) address that was live in the block.
+ class NonLocalDepResult {
+ NonLocalDepEntry Entry;
+ Value *Address;
+ public:
+ NonLocalDepResult(BasicBlock *bb, MemDepResult result, Value *address)
+ : Entry(bb, result), Address(address) {}
+
+ // BB is the sort key, it can't be changed.
+ BasicBlock *getBB() const { return Entry.getBB(); }
+
+ void setResult(const MemDepResult &R, Value *Addr) {
+ Entry.setResult(R);
+ Address = Addr;
+ }
+
+ const MemDepResult &getResult() const { return Entry.getResult(); }
+
+ /// getAddress - Return the address of this pointer in this block. This can
+ /// be different than the address queried for the non-local result because
+ /// of phi translation. This returns null if the address was not available
+ /// in a block (i.e. because phi translation failed) or if this is a cached
+ /// result and that address was deleted.
+ ///
+ /// The address is always null for a non-local 'call' dependence.
+ Value *getAddress() const { return Address; }
+ };
+