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 /// getTypes - After the pass has been run, return the set containing all of
19 /// the types used in the module.
21 const std::set<const Type *> &getTypes() const { return UsedTypes; }
23 /// Print the types found in the module. If the optional Module parameter is
24 /// passed in, then the types are printed symbolically if possible, using the
25 /// symbol table from the module.
27 void print(std::ostream &o, const Module *M) const;
30 /// IncorporateType - Incorporate one type and all of its subtypes into the
31 /// collection of used types.
33 void IncorporateType(const Type *Ty);
36 /// run - This incorporates all types used by the specified module
39 /// getAnalysisUsage - We do not modify anything.
40 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
44 // stub - dummy function, just ignore it
48 // Make sure that any clients of this file link in PostDominators.cpp
50 FIND_USED_TYPES_INCLUDE_FILE((void*)&FindUsedTypes::stub);