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Use a vector of unique_ptrs to fix a memory leak introduced in r208179.

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Also removed an inaccurate comment that stated that a DenseMap was used as
storage for the ListInit*'s. It's currently using a FoldingSet.

I expect there's a better way to fix this but I haven't found it yet. FoldingSet
is incompatible with the Pool template and I'm not sure if FoldingSet can be
safely replaced with a DenseMap of computed FoldingSetID's to ListInit*'s.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208293 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Sanders 2014-05-08 09:29:28 +00:00
parent f35ce2376c
commit 01ce4b98ce
1 changed files with 2 additions and 2 deletions
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4
lib/TableGen/Record.cpp
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@ -623,9 +623,8 @@ static void ProfileListInit(FoldingSetNodeID &ID,
ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) {
typedef FoldingSet<ListInit> Pool;
static Pool ThePool;
static std::vector<std::unique_ptr<ListInit>> TheActualPool;
// Just use the FoldingSetNodeID to compute a hash. Use a DenseMap
// for actual storage.
FoldingSetNodeID ID;
ProfileListInit(ID, Range, EltTy);
@ -635,6 +634,7 @@ ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) {
ListInit *I = new ListInit(Range, EltTy);
ThePool.InsertNode(I, IP);
TheActualPool.push_back(std::unique_ptr<ListInit>(I));
return I;
}