-//===- llvm/Analysis/SafePointerAccess.h - Check pointer safety ---*- C++ -*-=//
+//===- llvm/Analysis/FindUnsafePointerTypes.h - Unsafe pointers ---*- C++ -*-=//
//
// This file defines a pass that can be used to determine, interprocedurally,
// which pointer types are accessed unsafely in a program. If there is an
//
// Additionally, this analysis exports a hidden command line argument that (when
// enabled) prints out the reasons a type was determined to be unsafe. Just add
-// -unsafeptrinst to the command line of the tool you want to get it.
+// -printunsafeptrinst to the command line of the tool you want to get it.
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_ANALYSIS_SAFEPOINTERACCESS_H
-#define LLVM_ANALYSIS_SAFEPOINTERACCESS_H
+#ifndef LLVM_ANALYSIS_UNSAFEPOINTERTYPES_H
+#define LLVM_ANALYSIS_UNSAFEPOINTERTYPES_H
#include "llvm/Pass.h"
#include <set>
// UnsafeTypes - Set of types that are not safe to transform.
std::set<PointerType*> UnsafeTypes;
public:
- static AnalysisID ID; // We are an analysis, we must have an ID
-
- FindUnsafePointerTypes(AnalysisID id) { assert(ID == id); }
-
// Accessor for underlying type set...
inline const std::set<PointerType*> &getUnsafeTypes() const {
return UnsafeTypes;
// values of various types. If they are deemed to be 'unsafe' note that the
// type is not safe to transform.
//
- virtual bool run(Module *M);
+ virtual bool run(Module &M);
- // printResults - Loop over the results of the analysis, printing out unsafe
- // types.
+ // print - Loop over the results of the analysis, printing out unsafe types.
//
- void printResults(const Module *Mod, std::ostream &o) const;
+ void print(std::ostream &o, const Module *Mod) const;
- // getAnalysisUsageInfo - This function needs FindUsedTypes to do its job...
+ // getAnalysisUsage - Of course, we provide ourself...
//
- virtual void getAnalysisUsageInfo(Pass::AnalysisSet &Required,
- Pass::AnalysisSet &Destroyed,
- Pass::AnalysisSet &Provided);
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ }
};
#endif