namespace llvm {
+// FIXME: Replace this brittle forward declaration with the include of the new
+// PassManager.h when doing so doesn't break the PassManagerBuilder.
+template <typename IRUnitT> class AnalysisManager;
+class PreservedAnalyses;
+
EXTERN_TEMPLATE_INSTANTIATION(class DomTreeNodeBase<BasicBlock>);
EXTERN_TEMPLATE_INSTANTIATION(class DominatorTreeBase<BasicBlock>);
DominatorTree() : DominatorTreeBase<BasicBlock>(false) {}
+ DominatorTree(DominatorTree &&Arg)
+ : Base(std::move(static_cast<Base &>(Arg))) {}
+ DominatorTree &operator=(DominatorTree &&RHS) {
+ Base::operator=(std::move(static_cast<Base &>(RHS)));
+ return *this;
+ }
+
/// \brief Returns *false* if the other dominator tree matches this dominator
/// tree.
inline bool compare(const DominatorTree &Other) const {
bool dominates(const BasicBlockEdge &BBE, const Use &U) const;
bool dominates(const BasicBlockEdge &BBE, const BasicBlock *BB) const;
- inline DomTreeNode *operator[](BasicBlock *BB) const {
- return getNode(BB);
- }
-
// Ensure base class overloads are visible.
using Base::isReachableFromEntry;
};
/// \brief Analysis pass which computes a \c DominatorTree.
+class DominatorTreeAnalysis {
+public:
+ /// \brief Provide the result typedef for this analysis pass.
+ typedef DominatorTree Result;
+
+ /// \brief Opaque, unique identifier for this analysis pass.
+ static void *ID() { return (void *)&PassID; }
+
+ /// \brief Run the analysis pass over a function and produce a dominator tree.
+ DominatorTree run(Function &F);
+
+ /// \brief Provide access to a name for this pass for debugging purposes.
+ static StringRef name() { return "DominatorTreeAnalysis"; }
+
+private:
+ static char PassID;
+};
+
+/// \brief Printer pass for the \c DominatorTree.
+class DominatorTreePrinterPass {
+ raw_ostream &OS;
+
+public:
+ explicit DominatorTreePrinterPass(raw_ostream &OS);
+ PreservedAnalyses run(Function &F, AnalysisManager<Function> *AM);
+
+ static StringRef name() { return "DominatorTreePrinterPass"; }
+};
+
+/// \brief Verifier pass for the \c DominatorTree.
+struct DominatorTreeVerifierPass {
+ PreservedAnalyses run(Function &F, AnalysisManager<Function> *AM);
+
+ static StringRef name() { return "DominatorTreeVerifierPass"; }
+};
+
+/// \brief Legacy analysis pass which computes a \c DominatorTree.
class DominatorTreeWrapperPass : public FunctionPass {
DominatorTree DT;
void releaseMemory() override { DT.releaseMemory(); }
- void print(raw_ostream &OS, const Module *M = 0) const override;
+ void print(raw_ostream &OS, const Module *M = nullptr) const override;
};
} // End llvm namespace