1 //===- llvm/Analysis/FindUsedTypes.h - Find all Types in use -----*- C++ -*--=//
3 // This pass is used to seek out all of the types in use by the program.
5 //===----------------------------------------------------------------------===//
7 #ifndef LLVM_ANALYSIS_FINDUSEDTYPES_H
8 #define LLVM_ANALYSIS_FINDUSEDTYPES_H
10 #include "llvm/Pass.h"
15 class FindUsedTypes : public Pass {
16 std::set<const Type *> UsedTypes;
18 // FindUsedTypes ctor - This pass can optionally include types that are
19 // referenced only in symbol tables, but the default is not to.
24 virtual const char *getPassName() const { return "Find Used Types"; }
26 // getTypes - After the pass has been run, return the set containing all of
27 // the types used in the module.
29 inline const std::set<const Type *> &getTypes() const { return UsedTypes; }
31 // Print the types found in the module. If the optional Module parameter is
32 // passed in, then the types are printed symbolically if possible, using the
33 // symbol table from the module.
35 void printTypes(std::ostream &o, const Module *M = 0) const;
38 // IncorporateType - Incorporate one type and all of its subtypes into the
39 // collection of used types.
41 void IncorporateType(const Type *Ty);
44 // run - This incorporates all types used by the specified module
48 // getAnalysisUsage - Of course, we provide ourself...
50 virtual void getAnalysisUsage(AnalysisUsage &AU) const {