diff options
Diffstat (limited to 'llvm/lib/IR/Metadata.cpp')
| -rw-r--r-- | llvm/lib/IR/Metadata.cpp | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp index e9265eb96ad..8253a4e6a96 100644 --- a/llvm/lib/IR/Metadata.cpp +++ b/llvm/lib/IR/Metadata.cpp @@ -515,15 +515,7 @@ void UniquableMDNode::resolveCycles() { } void MDTuple::recalculateHash() { - setHash(hash_combine_range(op_begin(), op_end())); -#ifndef NDEBUG - { - SmallVector<Metadata *, 8> MDs(op_begin(), op_end()); - unsigned RawHash = hash_combine_range(MDs.begin(), MDs.end()); - assert(getHash() == RawHash && - "Expected hash of MDOperand to equal hash of Metadata*"); - } -#endif + setHash(MDTupleInfo::KeyTy::calculateHash(this)); } void MDNode::dropAllReferences() { @@ -536,23 +528,6 @@ void MDNode::dropAllReferences() { } } -namespace llvm { -/// \brief Make MDOperand transparent for hashing. -/// -/// This overload of an implementation detail of the hashing library makes -/// MDOperand hash to the same value as a \a Metadata pointer. -/// -/// Note that overloading \a hash_value() as follows: -/// -/// \code -/// size_t hash_value(const MDOperand &X) { return hash_value(X.get()); } -/// \endcode -/// -/// does not cause MDOperand to be transparent. In particular, a bare pointer -/// doesn't get hashed before it's combined, whereas \a MDOperand would. -static const Metadata *get_hashable_data(const MDOperand &X) { return X.get(); } -} - void UniquableMDNode::handleChangedOperand(void *Ref, Metadata *New) { unsigned Op = static_cast<MDOperand *>(Ref) - op_begin(); assert(Op < getNumOperands() && "Expected valid operand"); @@ -687,7 +662,7 @@ MDTuple *MDTuple::getImpl(LLVMContext &Context, ArrayRef<Metadata *> MDs, return N; if (!ShouldCreate) return nullptr; - Hash = Key.Hash; + Hash = Key.getHash(); } else { assert(ShouldCreate && "Expected non-uniqued nodes to always be created"); } |
