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This pass is very old and quite useless, remove it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23946 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-24 02:35:24 +00:00
parent e941217fb8
commit f753ea7a15
2 changed files with 0 additions and 64 deletions
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62
include/llvm/Analysis/FindUnsafePointerTypes.h
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@ -1,62 +0,0 @@
//===- 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
// "unsafe" access to a specific pointer type, transformations that depend on
// type safety cannot be permitted.
//
// The result of running this analysis over a program is a set of unsafe pointer
// types that cannot be transformed. Safe pointer types are not tracked.
//
// 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
// -printunsafeptrinst to the command line of the tool you want to get it.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_UNSAFEPOINTERTYPES_H
#define LLVM_ANALYSIS_UNSAFEPOINTERTYPES_H
#include "llvm/Pass.h"
#include <set>
namespace llvm {
class PointerType;
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;
}
/// 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;
/// getAnalysisUsage - Of course, we provide ourself...
///
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
} // End llvm namespace
#endif

2
include/llvm/Analysis/LinkAllAnalyses.h
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@ -17,7 +17,6 @@
#include "llvm/Analysis/AliasSetTracker.h" #include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/CallGraph.h" #include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/FindUnsafePointerTypes.h"
#include "llvm/Analysis/FindUsedTypes.h" #include "llvm/Analysis/FindUsedTypes.h"
#include "llvm/Analysis/IntervalPartition.h" #include "llvm/Analysis/IntervalPartition.h"
#include "llvm/Analysis/PostDominators.h" #include "llvm/Analysis/PostDominators.h"
@ -52,7 +51,6 @@ namespace {
(void)new llvm::PostDominatorSet(); (void)new llvm::PostDominatorSet();
(void)new llvm::CallGraph(); (void)new llvm::CallGraph();
(void)new llvm::FindUsedTypes(); (void)new llvm::FindUsedTypes();
(void)new llvm::FindUnsafePointerTypes();
(void)new llvm::ScalarEvolution(); (void)new llvm::ScalarEvolution();
((llvm::Function*)0)->viewCFGOnly(); ((llvm::Function*)0)->viewCFGOnly();
llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)0); llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)0);