diff options
| -rw-r--r-- | include/llvm/ADT/DenseMap.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/ADT/DenseMap.h b/include/llvm/ADT/DenseMap.h index c0f8cee598..ce0c006cf2 100644 --- a/include/llvm/ADT/DenseMap.h +++ b/include/llvm/ADT/DenseMap.h @@ -279,6 +279,18 @@ public: return *this; } + /// isPointerIntoBucketsArray - Return true if the specified pointer points + /// somewhere into the DenseMap's array of buckets (i.e. either to a key or + /// value in the DenseMap). + bool isPointerIntoBucketsArray(const void *Ptr) const { + return Ptr >= Buckets && Ptr < Buckets+NumBuckets; + } + + /// getPointerIntoBucketsArray() - Return an opaque pointer into the buckets + /// array. In conjunction with the previous method, this can be used to + /// determine whether an insertion caused the DenseMap to reallocate. + const void *getPointerIntoBucketsArray() const { return Buckets; } + private: void CopyFrom(const DenseMap& other) { if (NumBuckets != 0 && (!KeyInfoT::isPod() || !ValueInfoT::isPod())) { |