Add a useful method.

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

diff --git a/include/llvm/Analysis/FindUnsafePointerTypes.h b/include/llvm/Analysis/FindUnsafePointerTypes.h
index 4b2251d90529eb6e58bdfd03a353a8bb8eb2c323..2d453f087a6c127bf228737322d2c126d63a58f9 100644 (file)
--- a/include/llvm/Analysis/FindUnsafePointerTypes.h
+++ b/include/llvm/Analysis/FindUnsafePointerTypes.h
@@ -1,4 +1,11 @@
-//===- llvm/Analysis/SafePointerAccess.h - Check pointer safety ---*- C++ -*-=//
+//===- llvm/Analysis/FindUnsafePointerTypes.h - Unsafe pointers -*- 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 file defines a pass that can be used to determine, interprocedurally, 
 // which pointer types are accessed unsafely in a program.  If there is an
@@ -10,38 +17,46 @@
 //
 // Additionally, this analysis exports a hidden command line argument that (when
 // enabled) prints out the reasons a type was determined to be unsafe.  Just add
-// -unsafeptrinst to the command line of the tool you want to get it.
+// -printunsafeptrinst to the command line of the tool you want to get it.
 // 
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_ANALYSIS_SAFEPOINTERACCESS_H
-#define LLVM_ANALYSIS_SAFEPOINTERACCESS_H
+#ifndef LLVM_ANALYSIS_UNSAFEPOINTERTYPES_H
+#define LLVM_ANALYSIS_UNSAFEPOINTERTYPES_H
 
 #include "llvm/Pass.h"
 #include <set>
 
+namespace llvm {
+
 class PointerType;
 
-struct FindUnsafePointerTypes : public MethodPass {
+struct FindUnsafePointerTypes : public ModulePass {
   // UnsafeTypes - Set of types that are not safe to transform.
   std::set<PointerType*> UnsafeTypes;
 public:
-
   // Accessor for underlying type set...
   inline const std::set<PointerType*> &getUnsafeTypes() const {
     return UnsafeTypes;
   }
 
-  // runOnMethod - Inspect the operations that the specified method does on
-  // values of various types.  If they are deemed to be 'unsafe' note that the
-  // type is not safe to transform.
-  //
-  virtual bool runOnMethod(Method *M);
+  /// run - Inspect the operations that the specified module does on
+  /// values of various types.  If they are deemed to be 'unsafe' note that the
+  /// type is not safe to transform.
+  ///
+  virtual bool runOnModule(Module &M);
+
+  /// print - Loop over the results of the analysis, printing out unsafe types.
+  ///
+  void print(std::ostream &o, const Module *Mod) const;
 
-  // printResults - Loop over the results of the analysis, printing out unsafe
-  // types.
-  //
-  void printResults(const Module *Mod, std::ostream &o);
+  /// getAnalysisUsage - Of course, we provide ourself...
+  ///
+  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    AU.setPreservesAll();
+  }
 };
 
+} // End llvm namespace
+
 #endif