Add missing override statements in ScalarEvolution.h. NFC

[oota-llvm.git] / include / llvm / Analysis / ScalarEvolutionAliasAnalysis.h

diff --git a/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h b/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h
index 4b2194bc5cd56966792687899e2cf4ba65502ebe..7bbbf55620479f5843c581a544d62d4d330f06b2 100644 (file)
--- a/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h
+++ b/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h
@@ -17,50 +17,62 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/IR/Function.h"
-#include "llvm/IR/Metadata.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Pass.h"
 
 namespace llvm {
 
-  /// ScalarEvolutionAliasAnalysis - This is a simple alias analysis
-  /// implementation that uses ScalarEvolution to answer queries.
-  class ScalarEvolutionAliasAnalysis : public FunctionPass,
-                                       public AliasAnalysis {
-    ScalarEvolution *SE;
-
-  public:
-    static char ID; // Class identification, replacement for typeinfo
-    ScalarEvolutionAliasAnalysis() : FunctionPass(ID), SE(nullptr) {
-      initializeScalarEvolutionAliasAnalysisPass(
-        *PassRegistry::getPassRegistry());
-    }
-
-    /// getAdjustedAnalysisPointer - This method is used when a pass implements
-    /// an analysis interface through multiple inheritance.  If needed, it
-    /// should override this to adjust the this pointer as needed for the
-    /// specified pass info.
-    void *getAdjustedAnalysisPointer(AnalysisID PI) override {
-      if (PI == &AliasAnalysis::ID)
-        return (AliasAnalysis*)this;
-      return this;
-    }
-
-  private:
-    void getAnalysisUsage(AnalysisUsage &AU) const override;
-    bool runOnFunction(Function &F) override;
-    AliasResult alias(const MemoryLocation &LocA,
-                      const MemoryLocation &LocB) override;
-
-    Value *GetBaseValue(const SCEV *S);
-  };
-
-  //===--------------------------------------------------------------------===//
-  //
-  // createScalarEvolutionAliasAnalysisPass - This pass implements a simple
-  // alias analysis using ScalarEvolution queries.
-  //
-  FunctionPass *createScalarEvolutionAliasAnalysisPass();
+/// A simple alias analysis implementation that uses ScalarEvolution to answer
+/// queries.
+class SCEVAAResult : public AAResultBase<SCEVAAResult> {
+  ScalarEvolution &SE;
+
+public:
+  explicit SCEVAAResult(const TargetLibraryInfo &TLI, ScalarEvolution &SE)
+      : AAResultBase(TLI), SE(SE) {}
+  SCEVAAResult(SCEVAAResult &&Arg) : AAResultBase(std::move(Arg)), SE(Arg.SE) {}
+
+  AliasResult alias(const MemoryLocation &LocA, const MemoryLocation &LocB);
+
+private:
+  Value *GetBaseValue(const SCEV *S);
+};
+
+/// Analysis pass providing a never-invalidated alias analysis result.
+class SCEVAA {
+public:
+  typedef SCEVAAResult Result;
+
+  /// \brief Opaque, unique identifier for this analysis pass.
+  static void *ID() { return (void *)&PassID; }
+
+  SCEVAAResult run(Function &F, AnalysisManager<Function> *AM);
+
+  /// \brief Provide access to a name for this pass for debugging purposes.
+  static StringRef name() { return "SCEVAA"; }
+
+private:
+  static char PassID;
+};
+
+/// Legacy wrapper pass to provide the SCEVAAResult object.
+class SCEVAAWrapperPass : public FunctionPass {
+  std::unique_ptr<SCEVAAResult> Result;
+
+public:
+  static char ID;
+
+  SCEVAAWrapperPass();
+
+  SCEVAAResult &getResult() { return *Result; }
+  const SCEVAAResult &getResult() const { return *Result; }
+
+  bool runOnFunction(Function &F) override;
+  void getAnalysisUsage(AnalysisUsage &AU) const override;
+};
+
+/// Creates an instance of \c SCEVAAWrapperPass.
+FunctionPass *createSCEVAAWrapperPass();
 
 }