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Fix most memory leaks in tablegen.

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Found by the valgrind bot.

llvm-svn: 193736
This commit is contained in:
Rafael Espindola 2013-10-31 04:07:41 +00:00
parent afc61d382c
commit c68d6e85ef
1 changed files with 20 additions and 11 deletions
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31
lib/TableGen/Record.cpp
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@ -557,9 +557,23 @@ Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) const {
return const_cast<BitsInit *>(this);
}
namespace {
template<typename T>
class Pool : public T {
public:
~Pool();
};
template<typename T>
Pool<T>::~Pool() {
for (typename T::iterator I = this->begin(), E = this->end(); I != E; ++I) {
typename T::value_type &Item = *I;
delete Item.second;
}
}
}
IntInit *IntInit::get(int64_t V) {
typedef DenseMap<int64_t, IntInit *> Pool;
static Pool ThePool;
static Pool<DenseMap<int64_t, IntInit *> > ThePool;
IntInit *&I = ThePool[V];
if (!I) I = new IntInit(V);
@ -586,8 +600,7 @@ IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
void StringInit::anchor() { }
StringInit *StringInit::get(StringRef V) {
typedef StringMap<StringInit *> Pool;
static Pool ThePool;
static Pool<StringMap<StringInit *> > ThePool;
StringInit *&I = ThePool[V];
if (!I) I = new StringInit(V);
@ -726,9 +739,7 @@ Init *OpInit::getBit(unsigned Bit) const {
UnOpInit *UnOpInit::get(UnaryOp opc, Init *lhs, RecTy *Type) {
typedef std::pair<std::pair<unsigned, Init *>, RecTy *> Key;
typedef DenseMap<Key, UnOpInit *> Pool;
static Pool ThePool;
static Pool<DenseMap<Key, UnOpInit *> > ThePool;
Key TheKey(std::make_pair(std::make_pair(opc, lhs), Type));
@ -873,8 +884,7 @@ BinOpInit *BinOpInit::get(BinaryOp opc, Init *lhs,
RecTy *
> Key;
typedef DenseMap<Key, BinOpInit *> Pool;
static Pool ThePool;
static Pool<DenseMap<Key, BinOpInit *> > ThePool;
Key TheKey(std::make_pair(std::make_pair(std::make_pair(opc, lhs), rhs),
Type));
@ -1298,8 +1308,7 @@ VarInit *VarInit::get(const std::string &VN, RecTy *T) {
VarInit *VarInit::get(Init *VN, RecTy *T) {
typedef std::pair<RecTy *, Init *> Key;
typedef DenseMap<Key, VarInit *> Pool;
static Pool ThePool;
static Pool<DenseMap<Key, VarInit *> > ThePool;
Key TheKey(std::make_pair(T, VN));