#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/ilist_node.h"
+#include "llvm/ADT/iterator_range.h"
#include "llvm/IR/Value.h"
namespace llvm {
class SymbolTableListTraits;
+enum LLVMConstants : uint32_t {
+ DEBUG_METADATA_VERSION = 1 // Current debug info version number.
+};
+
//===----------------------------------------------------------------------===//
/// MDString - a single uniqued string.
/// These are used to efficiently contain a byte sequence for metadata.
return V->getValueID() == MDNodeVal;
}
+ /// Check whether MDNode is a vtable access.
+ bool isTBAAVtableAccess() const;
+
/// Methods for metadata merging.
static MDNode *getMostGenericTBAA(MDNode *A, MDNode *B);
static MDNode *getMostGenericFPMath(MDNode *A, MDNode *B);
explicit NamedMDNode(const Twine &N);
+ template<class T1, class T2>
+ class op_iterator_impl :
+ public std::iterator<std::bidirectional_iterator_tag, T2> {
+ const NamedMDNode *Node;
+ unsigned Idx;
+ op_iterator_impl(const NamedMDNode *N, unsigned i) : Node(N), Idx(i) { }
+
+ friend class NamedMDNode;
+
+ public:
+ op_iterator_impl() : Node(nullptr), Idx(0) { }
+
+ bool operator==(const op_iterator_impl &o) const { return Idx == o.Idx; }
+ bool operator!=(const op_iterator_impl &o) const { return Idx != o.Idx; }
+ op_iterator_impl &operator++() {
+ ++Idx;
+ return *this;
+ }
+ op_iterator_impl operator++(int) {
+ op_iterator_impl tmp(*this);
+ operator++();
+ return tmp;
+ }
+ op_iterator_impl &operator--() {
+ --Idx;
+ return *this;
+ }
+ op_iterator_impl operator--(int) {
+ op_iterator_impl tmp(*this);
+ operator--();
+ return tmp;
+ }
+
+ T1 operator*() const { return Node->getOperand(Idx); }
+ };
+
public:
/// eraseFromParent - Drop all references and remove the node from parent
/// module.
StringRef getName() const;
/// print - Implement operator<< on NamedMDNode.
- void print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW = 0) const;
+ void print(raw_ostream &ROS) const;
/// dump() - Allow printing of NamedMDNodes from the debugger.
void dump() const;
+
+ // ---------------------------------------------------------------------------
+ // Operand Iterator interface...
+ //
+ typedef op_iterator_impl<MDNode*, MDNode> op_iterator;
+ op_iterator op_begin() { return op_iterator(this, 0); }
+ op_iterator op_end() { return op_iterator(this, getNumOperands()); }
+
+ typedef op_iterator_impl<const MDNode*, MDNode> const_op_iterator;
+ const_op_iterator op_begin() const { return const_op_iterator(this, 0); }
+ const_op_iterator op_end() const { return const_op_iterator(this, getNumOperands()); }
+
+ inline iterator_range<op_iterator> operands() {
+ return iterator_range<op_iterator>(op_begin(), op_end());
+ }
+ inline iterator_range<const_op_iterator> operands() const {
+ return iterator_range<const_op_iterator>(op_begin(), op_end());
+ }
};
} // end llvm namespace