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When destroying a StringMap, just iterate over the map and destroy the contained elements. Don't reset them back to 0 as their values aren't needed any more. This results in ~StringMap() being mostly empty for POD types in BumpPtrAllocators

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204204 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pete Cooper 2014-03-19 00:23:30 +00:00
parent 025e94d7dc
commit f7efbb1906
1 changed files with 11 additions and 1 deletions
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12
include/llvm/ADT/StringMap.h
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@ -387,7 +387,17 @@ public:
}
~StringMap() {
clear();
// Delete all the elements in the map, but don't reset the elements
// to default values. This is a copy of clear(), but avoids unnecessary
// work not required in the destructor.
if (!empty()) {
for (unsigned I = 0, E = NumBuckets; I != E; ++I) {
StringMapEntryBase *Bucket = TheTable[I];
if (Bucket && Bucket != getTombstoneVal()) {
static_cast<MapEntryTy*>(Bucket)->Destroy(Allocator);
}
}
}
free(TheTable);
}
};