Remove trailing whitespace

llvm-svn: 21427
diff --git a/llvm/lib/Transforms/Scalar/LowerPacked.cpp b/llvm/lib/Transforms/Scalar/LowerPacked.cpp
index e224222..725a4ba 100644
--- a/llvm/lib/Transforms/Scalar/LowerPacked.cpp
+++ b/llvm/lib/Transforms/Scalar/LowerPacked.cpp
@@ -1,10 +1,10 @@
 //===- LowerPacked.cpp -  Implementation of LowerPacked Transform ---------===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
 // This file was developed by Brad Jones and is distributed under
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+//
 //===----------------------------------------------------------------------===//
 //
 // This file implements lowering Packed datatypes into more primitive
@@ -38,7 +38,7 @@
 ///
 class LowerPacked : public FunctionPass, public InstVisitor<LowerPacked> {
 public:
-   /// @brief Lowers packed operations to scalar operations. 
+   /// @brief Lowers packed operations to scalar operations.
    /// @param F The fuction to process
    virtual bool runOnFunction(Function &F);
 
@@ -60,13 +60,13 @@
 
    /// This function asserts if the instruction is a PackedType but
    /// is handled by another function.
-   /// 
+   ///
    /// @brief Asserts if PackedType instruction is not handled elsewhere.
    /// @param I the unhandled instruction
    void visitInstruction(Instruction &I)
    {
       if(isa<PackedType>(I.getType())) {
-         std::cerr << "Unhandled Instruction with Packed ReturnType: " << 
+         std::cerr << "Unhandled Instruction with Packed ReturnType: " <<
                       I << '\n';
       }
    }
@@ -82,7 +82,7 @@
    void setValues(Value* val,const std::vector<Value*>& values);
 
    // Data Members
-   /// @brief whether we changed the function or not   
+   /// @brief whether we changed the function or not
    bool Changed;
 
    /// @brief a map from old packed values to new smaller packed values
@@ -91,27 +91,27 @@
    /// Instructions in the source program to get rid of
    /// after we do a pass (the old packed instructions)
    std::vector<Instruction*> instrsToRemove;
-}; 
+};
 
-RegisterOpt<LowerPacked> 
-X("lower-packed", 
+RegisterOpt<LowerPacked>
+X("lower-packed",
   "lowers packed operations to operations on smaller packed datatypes");
 
-} // end namespace   
+} // end namespace
 
 FunctionPass *llvm::createLowerPackedPass() { return new LowerPacked(); }
 
 
 // This function sets lowered values for a corresponding
 // packed value.  Note, in the case of a forward reference
-// getValues(Value*) will have already been called for 
-// the packed parameter.  This function will then replace 
-// all references in the in the function of the "dummy" 
-// value the previous getValues(Value*) call 
+// getValues(Value*) will have already been called for
+// the packed parameter.  This function will then replace
+// all references in the in the function of the "dummy"
+// value the previous getValues(Value*) call
 // returned with actual references.
 void LowerPacked::setValues(Value* value,const std::vector<Value*>& values)
 {
-   std::map<Value*,std::vector<Value*> >::iterator it = 
+   std::map<Value*,std::vector<Value*> >::iterator it =
          packedToScalarMap.lower_bound(value);
    if (it == packedToScalarMap.end() || it->first != value) {
        // there was not a forward reference to this element
@@ -119,7 +119,7 @@
    }
    else {
       // replace forward declarations with actual definitions
-      assert(it->second.size() == values.size() && 
+      assert(it->second.size() == values.size() &&
              "Error forward refences and actual definition differ in size");
       for (unsigned i = 0, e = values.size(); i != e; ++i) {
            // replace and get rid of old forward references
@@ -133,8 +133,8 @@
 // This function will examine the packed value parameter
 // and if it is a packed constant or a forward reference
 // properly create the lowered values needed.  Otherwise
-// it will simply retreive values from a  
-// setValues(Value*,const std::vector<Value*>&) 
+// it will simply retreive values from a
+// setValues(Value*,const std::vector<Value*>&)
 // call.  Failing both of these cases, it will abort
 // the program.
 std::vector<Value*>& LowerPacked::getValues(Value* value)
@@ -144,7 +144,7 @@
 
    // reject further processing if this one has
    // already been handled
-   std::map<Value*,std::vector<Value*> >::iterator it = 
+   std::map<Value*,std::vector<Value*> >::iterator it =
       packedToScalarMap.lower_bound(value);
    if (it != packedToScalarMap.end() && it->first == value) {
        return it->second;
@@ -162,11 +162,11 @@
    }
    else if (ConstantAggregateZero* CAZ =
             dyn_cast<ConstantAggregateZero>(value)) {
-       // zero constant 
+       // zero constant
        const PackedType* PKT = cast<PackedType>(CAZ->getType());
        std::vector<Value*> results;
        results.reserve(PKT->getNumElements());
-   
+
        Constant* C = Constant::getNullValue(PKT->getElementType());
        for (unsigned i = 0, e = PKT->getNumElements(); i != e; ++i) {
             results.push_back(C);
@@ -179,7 +179,7 @@
        const PackedType* PKT = cast<PackedType>(value->getType());
        std::vector<Value*> results;
        results.reserve(PKT->getNumElements());
-   
+
       for (unsigned i = 0, e = PKT->getNumElements(); i != e; ++i) {
            results.push_back(new Argument(PKT->getElementType()));
       }
@@ -221,19 +221,19 @@
             Idx[1] = ConstantUInt::get(Type::UIntTy,i);
 
             // Get the pointer
-            Value* val = new GetElementPtrInst(array, 
+            Value* val = new GetElementPtrInst(array,
                                                Idx,
-                                               LI.getName() + 
+                                               LI.getName() +
                                                ".ge." + utostr(i),
                                                &LI);
 
             // generate the new load and save the result in packedToScalar map
-            values.push_back(new LoadInst(val, 
+            values.push_back(new LoadInst(val,
                              LI.getName()+"."+utostr(i),
                              LI.isVolatile(),
                              &LI));
        }
-               
+
        setValues(&LI,values);
        Changed = true;
        instrsToRemove.push_back(&LI);
@@ -251,13 +251,13 @@
               "The two packed operand to scalar maps must be equal in size.");
 
        result.reserve(op0Vals.size());
-   
+
        // generate the new binary op and save the result
        for (unsigned i = 0; i != op0Vals.size(); ++i) {
-            result.push_back(BinaryOperator::create(BO.getOpcode(), 
-                                                    op0Vals[i], 
+            result.push_back(BinaryOperator::create(BO.getOpcode(),
+                                                    op0Vals[i],
                                                     op1Vals[i],
-                                                    BO.getName() + 
+                                                    BO.getName() +
                                                     "." + utostr(i),
                                                     &BO));
        }
@@ -270,12 +270,12 @@
 
 void LowerPacked::visitStoreInst(StoreInst& SI)
 {
-   if (const PackedType* PKT = 
+   if (const PackedType* PKT =
        dyn_cast<PackedType>(SI.getOperand(0)->getType())) {
        // We will need this for getelementptr
        std::vector<Value*> Idx(2);
        Idx[0] = ConstantUInt::get(Type::UIntTy,0);
-         
+
        ArrayType* AT = ArrayType::get(PKT->getContainedType(0),
                                       PKT->getNumElements());
        PointerType* APT = PointerType::get(AT);
@@ -286,21 +286,21 @@
                                    "store.ge.a.",
                                    &SI);
        std::vector<Value*>& values = getValues(SI.getOperand(0));
-      
+
        assert((values.size() == PKT->getNumElements()) &&
               "Scalar must have the same number of elements as Packed Type");
 
        for (unsigned i = 0, e = PKT->getNumElements(); i != e; ++i) {
             // Generate the indices for getelementptr
             Idx[1] = ConstantUInt::get(Type::UIntTy,i);
-            Value* val = new GetElementPtrInst(array, 
+            Value* val = new GetElementPtrInst(array,
                                                Idx,
                                                "store.ge." +
                                                utostr(i) + ".",
                                                &SI);
             new StoreInst(values[i], val, SI.isVolatile(),&SI);
        }
-                 
+
        Changed = true;
        instrsToRemove.push_back(&SI);
    }
@@ -319,12 +319,12 @@
 
       for (unsigned i = 0; i != op0Vals.size(); ++i) {
            result.push_back(new SelectInst(SELI.getCondition(),
-                                           op0Vals[i], 
+                                           op0Vals[i],
                                            op1Vals[i],
                                            SELI.getName()+ "." + utostr(i),
                                            &SELI));
       }
-   
+
       setValues(&SELI,result);
       Changed = true;
       instrsToRemove.push_back(&SELI);
@@ -334,24 +334,24 @@
 bool LowerPacked::runOnFunction(Function& F)
 {
    // initialize
-   Changed = false; 
-  
+   Changed = false;
+
    // Does three passes:
-   // Pass 1) Converts Packed Operations to 
+   // Pass 1) Converts Packed Operations to
    //         new Packed Operations on smaller
    //         datatypes
    visit(F);
-  
+
    // Pass 2) Drop all references
    std::for_each(instrsToRemove.begin(),
                  instrsToRemove.end(),
                  std::mem_fun(&Instruction::dropAllReferences));
 
    // Pass 3) Delete the Instructions to remove aka packed instructions
-   for (std::vector<Instruction*>::iterator i = instrsToRemove.begin(), 
-                                            e = instrsToRemove.end(); 
+   for (std::vector<Instruction*>::iterator i = instrsToRemove.begin(),
+                                            e = instrsToRemove.end();
         i != e; ++i) {
-        (*i)->getParent()->getInstList().erase(*i);   
+        (*i)->getParent()->getInstList().erase(*i);
    }
 
    // clean-up