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IR: Extract out getUniqued(), NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226498 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-01-19 20:16:50 +00:00
parent 518025f8a1
commit 1c588db19b
1 changed files with 24 additions and 28 deletions
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44
lib/IR/Metadata.cpp
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@ -604,19 +604,23 @@ void UniquableMDNode::eraseFromStore() {
}
}
template <class T, class InfoT>
static T *getUniqued(DenseSet<T *, InfoT> &Store,
const typename InfoT::KeyTy &Key) {
auto I = Store.find_as(Key);
return I == Store.end() ? nullptr : *I;
}
MDTuple *MDTuple::getImpl(LLVMContext &Context, ArrayRef<Metadata *> MDs,
StorageType Storage, bool ShouldCreate) {
unsigned Hash = 0;
if (Storage == Uniqued) {
MDTupleInfo::KeyTy Key(MDs);
Hash = Key.Hash;
auto &Store = Context.pImpl->MDTuples;
auto I = Store.find_as(Key);
if (I != Store.end())
return *I;
if (auto *N = getUniqued(Context.pImpl->MDTuples, Key))
return N;
if (!ShouldCreate)
return nullptr;
Hash = Key.Hash;
} else {
assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
}
@ -639,15 +643,12 @@ MDTuple *MDTuple::getImpl(LLVMContext &Context, ArrayRef<Metadata *> MDs,
MDTuple *MDTuple::uniquifyImpl() {
recalculateHash();
MDTupleInfo::KeyTy Key(this);
auto &Store = getContext().pImpl->MDTuples;
auto I = Store.find_as(Key);
if (I == Store.end()) {
if (MDTuple *N = getUniqued(Store, this))
return N;
Store.insert(this);
return this;
}
return *I;
}
void MDTuple::eraseFromStoreImpl() { getContext().pImpl->MDTuples.erase(this); }
@ -687,12 +688,10 @@ MDLocation *MDLocation::getImpl(LLVMContext &Context, unsigned Line,
adjustColumn(Column);
if (Storage == Uniqued) {
MDLocationInfo::KeyTy Key(Line, Column, Scope, InlinedAt);
auto &Store = Context.pImpl->MDLocations;
auto I = Store.find_as(Key);
if (I != Store.end())
return *I;
if (auto *N = getUniqued(
Context.pImpl->MDLocations,
MDLocationInfo::KeyTy(Line, Column, Scope, InlinedAt)))
return N;
if (!ShouldCreate)
return nullptr;
} else {
@ -720,15 +719,12 @@ MDLocation *MDLocation::getImpl(LLVMContext &Context, unsigned Line,
}
MDLocation *MDLocation::uniquifyImpl() {
MDLocationInfo::KeyTy Key(this);
auto &Store = getContext().pImpl->MDLocations;
auto I = Store.find_as(Key);
if (I == Store.end()) {
if (MDLocation *N = getUniqued(Store, this))
return N;
Store.insert(this);
return this;
}
return *I;
}
void MDLocation::eraseFromStoreImpl() {