1 files changed, 0 insertions, 121 deletions
diff --git a/lib/Transforms/Utils/LowerAllocations.cpp b/lib/Transforms/Utils/LowerAllocations.cpp
deleted file mode 100644
index 9c9113daa93a..000000000000
--- a/lib/Transforms/Utils/LowerAllocations.cpp
+++ /dev/null
@@ -1,121 +0,0 @@
-//===- LowerAllocations.cpp - Reduce free insts to calls ------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// The LowerAllocations transformation is a target-dependent tranformation
-// because it depends on the size of data types and alignment constraints.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "lowerallocs"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
-#include "llvm/Module.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Instructions.h"
-#include "llvm/Constants.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Pass.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Support/Compiler.h"
-using namespace llvm;
-
-STATISTIC(NumLowered, "Number of allocations lowered");
-
-namespace {
-  /// LowerAllocations - Turn free instructions into @free calls.
-  ///
-  class VISIBILITY_HIDDEN LowerAllocations : public BasicBlockPass {
-    Constant *FreeFunc;   // Functions in the module we are processing
-                          // Initialized by doInitialization
-  public:
-    static char ID; // Pass ID, replacement for typeid
-    explicit LowerAllocations()
-      : BasicBlockPass(&ID), FreeFunc(0) {}
-
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      AU.addRequired<TargetData>();
-      AU.setPreservesCFG();
-
-      // This is a cluster of orthogonal Transforms:
-      AU.addPreserved<UnifyFunctionExitNodes>();
-      AU.addPreservedID(PromoteMemoryToRegisterID);
-      AU.addPreservedID(LowerSwitchID);
-      AU.addPreservedID(LowerInvokePassID);
-    }
-
-    /// doPassInitialization - For the lower allocations pass, this ensures that
-    /// a module contains a declaration for a free function.
-    ///
-    bool doInitialization(Module &M);
-
-    virtual bool doInitialization(Function &F) {
-      return doInitialization(*F.getParent());
-    }
-
-    /// runOnBasicBlock - This method does the actual work of converting
-    /// instructions over, assuming that the pass has already been initialized.
-    ///
-    bool runOnBasicBlock(BasicBlock &BB);
-  };
-}
-
-char LowerAllocations::ID = 0;
-static RegisterPass<LowerAllocations>
-X("lowerallocs", "Lower allocations from instructions to calls");
-
-// Publically exposed interface to pass...
-const PassInfo *const llvm::LowerAllocationsID = &X;
-// createLowerAllocationsPass - Interface to this file...
-Pass *llvm::createLowerAllocationsPass() {
-  return new LowerAllocations();
-}
-
-
-// doInitialization - For the lower allocations pass, this ensures that a
-// module contains a declaration for a free function.
-//
-// This function is always successful.
-//
-bool LowerAllocations::doInitialization(Module &M) {
-  const Type *BPTy = Type::getInt8PtrTy(M.getContext());
-  FreeFunc = M.getOrInsertFunction("free"  , Type::getVoidTy(M.getContext()),
-                                   BPTy, (Type *)0);
-  return true;
-}
-
-// runOnBasicBlock - This method does the actual work of converting
-// instructions over, assuming that the pass has already been initialized.
-//
-bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) {
-  bool Changed = false;
-  assert(FreeFunc && "Pass not initialized!");
-
-  BasicBlock::InstListType &BBIL = BB.getInstList();
-
-  // Loop over all of the instructions, looking for free instructions
-  for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I) {
-    if (FreeInst *FI = dyn_cast<FreeInst>(I)) {
-      Value *PtrCast = 
-        new BitCastInst(FI->getOperand(0),
-               Type::getInt8PtrTy(BB.getContext()), "", I);
-
-      // Insert a call to the free function...
-      CallInst::Create(FreeFunc, PtrCast, "", I)->setTailCall();
-
-      // Delete the old free instruction
-      I = --BBIL.erase(I);
-      Changed = true;
-      ++NumLowered;
-    }
-  }
-
-  return Changed;
-}
-