-//===- llvm/Analysis/FindUsedTypes.h - Find all Types in use -----*- C++ -*--=//
+//===- llvm/Analysis/FindUsedTypes.h - Find all Types in use ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This pass is used to seek out all of the types in use by the program.
//
#include "llvm/Pass.h"
#include <set>
-class SymbolTable;
+
+namespace llvm {
+
class Type;
class FindUsedTypes : public Pass {
std::set<const Type *> UsedTypes;
-
- bool IncludeSymbolTables;
public:
- // FindUsedTypes ctor - This pass can optionally include types that are
- // referenced only in symbol tables, but the default is not to.
- //
- static AnalysisID ID;
- static AnalysisID IncludeSymbolTableID;
+ /// getTypes - After the pass has been run, return the set containing all of
+ /// the types used in the module.
+ ///
+ const std::set<const Type *> &getTypes() const { return UsedTypes; }
- FindUsedTypes(AnalysisID id) : IncludeSymbolTables(id != ID) {}
- virtual const char *getPassName() const { return "Find Used Types"; }
-
- // getTypes - After the pass has been run, return the set containing all of
- // the types used in the module.
- //
- inline const std::set<const Type *> &getTypes() const { return UsedTypes; }
-
- // Print the types found in the module. If the optional Module parameter is
- // passed in, then the types are printed symbolically if possible, using the
- // symbol table from the module.
- //
- void printTypes(std::ostream &o, const Module *M = 0) const;
+ /// Print the types found in the module. If the optional Module parameter is
+ /// passed in, then the types are printed symbolically if possible, using the
+ /// symbol table from the module.
+ ///
+ void print(std::ostream &o, const Module *M) const;
private:
- // IncorporateType - Incorporate one type and all of its subtypes into the
- // collection of used types.
- //
+ /// IncorporateType - Incorporate one type and all of its subtypes into the
+ /// collection of used types.
+ ///
void IncorporateType(const Type *Ty);
- // IncorporateSymbolTable - Add all types referenced by the specified symtab
- // into the collection of used types.
- //
- void IncorporateSymbolTable(const SymbolTable *ST);
+ /// IncorporateValue - Incorporate all of the types used by this value.
+ ///
+ void IncorporateValue(const Value *V);
public:
- // run - This incorporates all types used by the specified module
- //
- bool run(Module *M);
+ /// run - This incorporates all types used by the specified module
+ bool run(Module &M);
- // getAnalysisUsage - Of course, we provide ourself...
- //
+ /// getAnalysisUsage - We do not modify anything.
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
- AU.addProvided(ID);
}
+
+ // stub - dummy function, just ignore it
+ static void stub();
};
+// Make sure that any clients of this file link in PostDominators.cpp
+static IncludeFile
+FIND_USED_TYPES_INCLUDE_FILE((void*)&FindUsedTypes::stub);
+
+} // End llvm namespace
+
#endif