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add some accessors so I can play games with DenseMaps.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68145 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-03-31 20:57:23 +00:00
parent de62192843
commit bdd376ccb2
1 changed files with 12 additions and 0 deletions
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12
include/llvm/ADT/DenseMap.h
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@ -279,6 +279,18 @@ public:
return *this; 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: private:
void CopyFrom(const DenseMap& other) { void CopyFrom(const DenseMap& other) {
if (NumBuckets != 0 && (!KeyInfoT::isPod() || !ValueInfoT::isPod())) { if (NumBuckets != 0 && (!KeyInfoT::isPod() || !ValueInfoT::isPod())) {