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authorDimitry Andric <dim@FreeBSD.org>2018-08-02 17:32:43 +0000
committerDimitry Andric <dim@FreeBSD.org>2018-08-02 17:32:43 +0000
commitb7eb8e35e481a74962664b63dfb09483b200209a (patch)
tree1937fb4a348458ce2d02ade03ac3bb0aa18d2fcd /lib/Support/FoldingSet.cpp
parenteb11fae6d08f479c0799db45860a98af528fa6e7 (diff)
Diffstat (limited to 'lib/Support/FoldingSet.cpp')
-rw-r--r--lib/Support/FoldingSet.cpp40
1 files changed, 20 insertions, 20 deletions
diff --git a/lib/Support/FoldingSet.cpp b/lib/Support/FoldingSet.cpp
index ec7d57586e8b..cf9847faccd1 100644
--- a/lib/Support/FoldingSet.cpp
+++ b/lib/Support/FoldingSet.cpp
@@ -92,7 +92,7 @@ void FoldingSetNodeID::AddString(StringRef String) {
unsigned Units = Size / 4;
unsigned Pos = 0;
const unsigned *Base = (const unsigned*) String.data();
-
+
// If the string is aligned do a bulk transfer.
if (!((intptr_t)Base & 3)) {
Bits.append(Base, Base + Units);
@@ -121,7 +121,7 @@ void FoldingSetNodeID::AddString(StringRef String) {
}
}
}
-
+
// With the leftover bits.
unsigned V = 0;
// Pos will have overshot size by 4 - #bytes left over.
@@ -141,7 +141,7 @@ void FoldingSetNodeID::AddNodeID(const FoldingSetNodeID &ID) {
Bits.append(ID.Bits.begin(), ID.Bits.end());
}
-/// ComputeHash - Compute a strong hash value for this FoldingSetNodeID, used to
+/// ComputeHash - Compute a strong hash value for this FoldingSetNodeID, used to
/// lookup the node in the FoldingSetBase.
unsigned FoldingSetNodeID::ComputeHash() const {
return FoldingSetNodeIDRef(Bits.data(), Bits.size()).ComputeHash();
@@ -192,7 +192,7 @@ static FoldingSetBase::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 nullptr;
-
+
return static_cast<FoldingSetBase::Node*>(NextInBucketPtr);
}
@@ -272,11 +272,11 @@ void FoldingSetBase::GrowBucketCount(unsigned NewBucketCount) {
assert(isPowerOf2_32(NewBucketCount) && "Bad bucket count!");
void **OldBuckets = Buckets;
unsigned OldNumBuckets = NumBuckets;
-
+
// Clear out new buckets.
Buckets = AllocateBuckets(NewBucketCount);
// Set NumBuckets only if allocation of new buckets was succesful
- NumBuckets = NewBucketCount;
+ NumBuckets = NewBucketCount;
NumNodes = 0;
// Walk the old buckets, rehashing nodes into their new place.
@@ -296,7 +296,7 @@ void FoldingSetBase::GrowBucketCount(unsigned NewBucketCount) {
TempID.clear();
}
}
-
+
free(OldBuckets);
}
@@ -324,9 +324,9 @@ FoldingSetBase::FindNodeOrInsertPos(const FoldingSetNodeID &ID,
unsigned IDHash = ID.ComputeHash();
void **Bucket = GetBucketFor(IDHash, Buckets, NumBuckets);
void *Probe = *Bucket;
-
+
InsertPos = nullptr;
-
+
FoldingSetNodeID TempID;
while (Node *NodeInBucket = GetNextPtr(Probe)) {
if (NodeEquals(NodeInBucket, ID, IDHash, TempID))
@@ -335,14 +335,14 @@ FoldingSetBase::FindNodeOrInsertPos(const FoldingSetNodeID &ID,
Probe = NodeInBucket->getNextInBucket();
}
-
+
// Didn't find the node, return null with the bucket as the InsertPos.
InsertPos = Bucket;
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
+/// is not already in the map. InsertPos must be obtained from
/// FindNodeOrInsertPos.
void FoldingSetBase::InsertNode(Node *N, void *InsertPos) {
assert(!N->getNextInBucket());
@@ -354,12 +354,12 @@ void FoldingSetBase::InsertNode(Node *N, void *InsertPos) {
}
++NumNodes;
-
+
/// The insert position is actually a bucket pointer.
void **Bucket = static_cast<void**>(InsertPos);
-
+
void *Next = *Bucket;
-
+
// 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.
@@ -384,13 +384,13 @@ bool FoldingSetBase::RemoveNode(Node *N) {
// Remember what N originally pointed to, either a bucket or another node.
void *NodeNextPtr = Ptr;
-
+
// Chase around the list until we find the node (or bucket) which points to N.
while (true) {
if (Node *NodeInBucket = GetNextPtr(Ptr)) {
// Advance pointer.
Ptr = NodeInBucket->getNextInBucket();
-
+
// We found a node that points to N, change it to point to N's next node,
// removing N from the list.
if (Ptr == N) {
@@ -400,7 +400,7 @@ bool FoldingSetBase::RemoveNode(Node *N) {
} else {
void **Bucket = GetBucketPtr(Ptr);
Ptr = *Bucket;
-
+
// If we found that the bucket points to N, update the bucket to point to
// whatever is next.
if (Ptr == N) {
@@ -432,7 +432,7 @@ FoldingSetIteratorImpl::FoldingSetIteratorImpl(void **Bucket) {
while (*Bucket != reinterpret_cast<void*>(-1) &&
(!*Bucket || !GetNextPtr(*Bucket)))
++Bucket;
-
+
NodePtr = static_cast<FoldingSetNode*>(*Bucket);
}
@@ -443,7 +443,7 @@ void FoldingSetIteratorImpl::advance() {
if (FoldingSetNode *NextNodeInBucket = GetNextPtr(Probe))
NodePtr = NextNodeInBucket;
else {
- // Otherwise, this is the last link in this bucket.
+ // Otherwise, this is the last link in this bucket.
void **Bucket = GetBucketPtr(Probe);
// Skip to the next non-null non-self-cycle bucket.
@@ -451,7 +451,7 @@ void FoldingSetIteratorImpl::advance() {
++Bucket;
} while (*Bucket != reinterpret_cast<void*>(-1) &&
(!*Bucket || !GetNextPtr(*Bucket)));
-
+
NodePtr = static_cast<FoldingSetNode*>(*Bucket);
}
}