2001-11-09 05:27:10 +00:00
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//===- llvm/Analysis/FindUsedTypes.h - Find all Types in use -----*- C++ -*--=//
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//
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// This pass is used to seek out all of the types in use by the program.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ANALYSIS_FINDUSEDTYPES_H
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#define LLVM_ANALYSIS_FINDUSEDTYPES_H
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#include "llvm/Pass.h"
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#include <set>
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class SymbolTable;
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class FindUsedTypes : public Pass {
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2002-01-20 22:54:45 +00:00
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std::set<const Type *> UsedTypes;
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2001-11-09 05:27:10 +00:00
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bool IncludeSymbolTables;
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public:
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// FindUsedTypes ctor - This pass can optionally include types that are
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// referenced only in symbol tables, but the default is not to.
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//
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FindUsedTypes(bool IST = false) : IncludeSymbolTables(IST) {}
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// getTypes - After the pass has been run, return the set containing all of
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// the types used in the module.
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//
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2002-01-20 22:54:45 +00:00
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inline const std::set<const Type *> &getTypes() const { return UsedTypes; }
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2001-11-09 05:27:10 +00:00
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// Print the types found in the module. If the optional Module parameter is
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// passed in, then the types are printed symbolically if possible, using the
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// symbol table from the module.
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//
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2002-01-20 22:54:45 +00:00
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void printTypes(std::ostream &o, const Module *M = 0) const;
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2001-11-09 05:27:10 +00:00
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private:
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// IncorporateType - Incorporate one type and all of its subtypes into the
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// collection of used types.
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//
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void IncorporateType(const Type *Ty);
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// IncorporateSymbolTable - Add all types referenced by the specified symtab
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// into the collection of used types.
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//
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void IncorporateSymbolTable(const SymbolTable *ST);
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2001-11-15 15:24:31 +00:00
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public:
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2001-11-09 05:27:10 +00:00
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// doPassInitialization - This loops over global constants defined in the
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// module, converting them to their new type.
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//
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bool doPassInitialization(Module *M);
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// doPerMethodWork - This incorporates all types used by the specified method
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//
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bool doPerMethodWork(Method *M);
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};
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#endif
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