remove LoopVR pass. According to Nick:

"LoopVR's logic was copied into ScalarEvolution::getUnsignedRange and 
::getSignedRange. Please delete LoopVR."



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83531 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 0 insertions, 87 deletions

diff --git a/include/llvm/Analysis/LoopVR.h b/include/llvm/Analysis/LoopVR.h
deleted file mode 100644
index 3b098e6..0000000
--- a/include/llvm/Analysis/LoopVR.h
+++ /dev/null
@@ -1,85 +0,0 @@
-//===- LoopVR.cpp - Value Range analysis driven by loop information -------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the interface for the loop-driven value range pass.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_ANALYSIS_LOOPVR_H
-#define LLVM_ANALYSIS_LOOPVR_H
-
-#include "llvm/Pass.h"
-#include "llvm/Analysis/ScalarEvolution.h"
-#include "llvm/Support/ConstantRange.h"
-#include <map>
-
-namespace llvm {
-
-/// LoopVR - This class maintains a mapping of Values to ConstantRanges.
-/// There are interfaces to look up and update ranges by value, and for
-/// accessing all values with range information.
-///
-class LoopVR : public FunctionPass {
-public:
-  static char ID; // Class identification, replacement for typeinfo
-
-  LoopVR() : FunctionPass(&ID) {}
-
-  bool runOnFunction(Function &F);
-  virtual void print(raw_ostream &os, const Module *) const;
-  void releaseMemory();
-
-  void getAnalysisUsage(AnalysisUsage &AU) const;
-
-  //===---------------------------------------------------------------------
-  // Methods that are used to look up and update particular values.
-
-  /// get - return the ConstantRange for a given Value of IntegerType.
-  ConstantRange get(Value *V);
-
-  /// remove - remove a value from this analysis.
-  void remove(Value *V);
-
-  /// narrow - improve our unterstanding of a Value by pointing out that it
-  /// must fall within ConstantRange. To replace a range, remove it first.
-  void narrow(Value *V, const ConstantRange &CR);
-
-  //===---------------------------------------------------------------------
-  // Methods that are used to iterate across all values with information.
-
-  /// size - returns the number of Values with information
-  unsigned size() const { return Map.size(); }
-
-  typedef std::map<Value *, ConstantRange *>::iterator iterator;
-
-  /// begin - return an iterator to the first Value, ConstantRange pair
-  iterator begin() { return Map.begin(); }
-
-  /// end - return an iterator one past the last Value, ConstantRange pair
-  iterator end() { return Map.end(); }
-
-  /// getValue - return the Value referenced by an iterator
-  Value *getValue(iterator I) { return I->first; }
-
-  /// getConstantRange - return the ConstantRange referenced by an iterator
-  ConstantRange getConstantRange(iterator I) { return *I->second; }
-
-private:
-  ConstantRange compute(Value *V);
-
-  ConstantRange getRange(const SCEV *S, Loop *L, ScalarEvolution &SE);
-
-  ConstantRange getRange(const SCEV *S, const SCEV *T, ScalarEvolution &SE);
-
-  std::map<Value *, ConstantRange *> Map;
-};
-
-} // end llvm namespace
-
-#endif
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 83aceac..e9a0542 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -18,7 +18,6 @@
 #include "llvm/Analysis/AliasSetTracker.h"
 #include "llvm/Analysis/FindUsedTypes.h"
 #include "llvm/Analysis/IntervalPartition.h"
-#include "llvm/Analysis/LoopVR.h"
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Analysis/PointerTracking.h"
 #include "llvm/Analysis/PostDominators.h"
@@ -139,7 +138,6 @@ namespace {
       (void)new llvm::IntervalPartition();
       (void)new llvm::FindUsedTypes();
       (void)new llvm::ScalarEvolution();
-      (void)new llvm::LoopVR();
       (void)new llvm::PointerTracking();
       ((llvm::Function*)0)->viewCFGOnly();
       llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)0);