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give StringMap a new ctor which allows you to initialize it

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with an existing allocator.  The interesting use case of this
is that it allows "StringMap<whatever, BumpPtrAllocator&>" for
when you want to allocate out of a preexisting bump pointer
allocator owned by someone else.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109213 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-07-23 03:29:59 +00:00
parent d69121b3c5
commit a23650bc01
1 changed files with 4 additions and 0 deletions
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4
include/llvm/ADT/StringMap.h
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@ -254,6 +254,10 @@ public:
StringMap() : StringMapImpl(static_cast<unsigned>(sizeof(MapEntryTy))) {}
explicit StringMap(unsigned InitialSize)
: StringMapImpl(InitialSize, static_cast<unsigned>(sizeof(MapEntryTy))) {}
explicit StringMap(AllocatorTy A)
: StringMapImpl(static_cast<unsigned>(sizeof(MapEntryTy))), Allocator(A) {}
explicit StringMap(const StringMap &RHS)
: StringMapImpl(static_cast<unsigned>(sizeof(MapEntryTy))) {
assert(RHS.empty() &&