The TargetData is not used for the isPowerOfTwo determination. It has never

[oota-llvm.git] / include / llvm / Analysis / FindUsedTypes.h

diff --git a/include/llvm/Analysis/FindUsedTypes.h b/include/llvm/Analysis/FindUsedTypes.h
index 1005042ab9ab8065dc88476704a7e17d3011a91f..b22cb88135133f2cd6b1bb0d40e66f3b29a860d4 100644 (file)
--- a/include/llvm/Analysis/FindUsedTypes.h
+++ b/include/llvm/Analysis/FindUsedTypes.h
@@ -1,4 +1,11 @@
-//===- 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 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.
 //
@@ -7,52 +14,53 @@
 #ifndef LLVM_ANALYSIS_FINDUSEDTYPES_H
 #define LLVM_ANALYSIS_FINDUSEDTYPES_H
 
+#include "llvm/ADT/SetVector.h"
 #include "llvm/Pass.h"
-#include <set>
-class SymbolTable;
 
-class FindUsedTypes : public MethodPass {
-  std::set<const Type *> UsedTypes;
+namespace llvm {
 
-  bool IncludeSymbolTables;
-public:
+class Type;
+class Value;
 
-  // FindUsedTypes ctor - This pass can optionally include types that are
-  // referenced only in symbol tables, but the default is not to.
-  //
-  FindUsedTypes(bool IST = false) : IncludeSymbolTables(IST) {}
+class FindUsedTypes : public ModulePass {
+  SetVector<Type *> UsedTypes;
+public:
+  static char ID; // Pass identification, replacement for typeid
+  FindUsedTypes() : ModulePass(ID) {
+    initializeFindUsedTypesPass(*PassRegistry::getPassRegistry());
+  }
 
-  // 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; }
+  /// getTypes - After the pass has been run, return the set containing all of
+  /// the types used in the module.
+  ///
+  const SetVector<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(raw_ostream &o, const Module *M) const;
 
 private:
-  // IncorporateType - Incorporate one type and all of its subtypes into the
-  // collection of used types.
-  //
-  void IncorporateType(const Type *Ty);
+  /// IncorporateType - Incorporate one type and all of its subtypes into the
+  /// collection of used types.
+  ///
+  void IncorporateType(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:
-  // doInitialization - This loops over global constants defined in the
-  // module, converting them to their new type.
-  //
-  bool doInitialization(Module *M);
-
-  // runOnMethod - This incorporates all types used by the specified method
-  //
-  bool runOnMethod(Method *M);
+  /// run - This incorporates all types used by the specified module
+  bool runOnModule(Module &M);
+
+  /// getAnalysisUsage - We do not modify anything.
+  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    AU.setPreservesAll();
+  }
 };
 
+} // End llvm namespace
+
 #endif