// Otherwise do it the hard way.
// To be compatible with above bulk transfer, we need to take endianness
// into account.
- if (sys::isBigEndianHost()) {
+ if (sys::IsBigEndianHost) {
for (Pos += 4; Pos <= Size; Pos += 4) {
unsigned V = ((unsigned char)String[Pos - 4] << 24) |
((unsigned char)String[Pos - 3] << 16) |
Bits.push_back(V);
}
} else {
- assert(sys::isLittleEndianHost() && "Unexpected host endianness");
+ assert(sys::IsLittleEndianHost && "Unexpected host endianness");
for (Pos += 4; Pos <= Size; Pos += 4) {
unsigned V = ((unsigned char)String[Pos - 1] << 24) |
((unsigned char)String[Pos - 2] << 16) |
static FoldingSetImpl::Node *GetNextPtr(void *NextInBucketPtr) {
// The low bit is set if this is the pointer back to the bucket.
if (reinterpret_cast<intptr_t>(NextInBucketPtr) & 1)
- return 0;
+ return nullptr;
return static_cast<FoldingSetImpl::Node*>(NextInBucketPtr);
}
while (Node *NodeInBucket = GetNextPtr(Probe)) {
// Figure out the next link, remove NodeInBucket from the old link.
Probe = NodeInBucket->getNextInBucket();
- NodeInBucket->SetNextInBucket(0);
+ NodeInBucket->SetNextInBucket(nullptr);
// Insert the node into the new bucket, after recomputing the hash.
InsertNode(NodeInBucket,
void **Bucket = GetBucketFor(IDHash, Buckets, NumBuckets);
void *Probe = *Bucket;
- InsertPos = 0;
+ InsertPos = nullptr;
FoldingSetNodeID TempID;
while (Node *NodeInBucket = GetNextPtr(Probe)) {
// Didn't find the node, return null with the bucket as the InsertPos.
InsertPos = Bucket;
- return 0;
+ return nullptr;
}
/// InsertNode - Insert the specified node into the folding set, knowing that it
/// is not already in the map. InsertPos must be obtained from
/// FindNodeOrInsertPos.
void FoldingSetImpl::InsertNode(Node *N, void *InsertPos) {
- assert(N->getNextInBucket() == 0);
+ assert(!N->getNextInBucket());
// Do we need to grow the hashtable?
if (NumNodes+1 > NumBuckets*2) {
GrowHashTable();
// If this is the first insertion into this bucket, its next pointer will be
// null. Pretend as if it pointed to itself, setting the low bit to indicate
// that it is a pointer to the bucket.
- if (Next == 0)
+ if (!Next)
Next = reinterpret_cast<void*>(reinterpret_cast<intptr_t>(Bucket)|1);
// Set the node's next pointer, and make the bucket point to the node.
// Because each bucket is a circular list, we don't need to compute N's hash
// to remove it.
void *Ptr = N->getNextInBucket();
- if (Ptr == 0) return false; // Not in folding set.
+ if (!Ptr) return false; // Not in folding set.
--NumNodes;
- N->SetNextInBucket(0);
+ N->SetNextInBucket(nullptr);
// Remember what N originally pointed to, either a bucket or another node.
void *NodeNextPtr = Ptr;
FoldingSetIteratorImpl::FoldingSetIteratorImpl(void **Bucket) {
// Skip to the first non-null non-self-cycle bucket.
while (*Bucket != reinterpret_cast<void*>(-1) &&
- (*Bucket == 0 || GetNextPtr(*Bucket) == 0))
+ (!*Bucket || !GetNextPtr(*Bucket)))
++Bucket;
NodePtr = static_cast<FoldingSetNode*>(*Bucket);
do {
++Bucket;
} while (*Bucket != reinterpret_cast<void*>(-1) &&
- (*Bucket == 0 || GetNextPtr(*Bucket) == 0));
+ (!*Bucket || !GetNextPtr(*Bucket)));
NodePtr = static_cast<FoldingSetNode*>(*Bucket);
}
// FoldingSetBucketIteratorImpl Implementation
FoldingSetBucketIteratorImpl::FoldingSetBucketIteratorImpl(void **Bucket) {
- Ptr = (*Bucket == 0 || GetNextPtr(*Bucket) == 0) ? (void*) Bucket : *Bucket;
+ Ptr = (!*Bucket || !GetNextPtr(*Bucket)) ? (void*) Bucket : *Bucket;
}