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diff --git a/src/llvmopencl/WorkitemHandler.h b/src/llvmopencl/WorkitemHandler.h
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+// Header for WorkitemHandler, a parent class for all implementations of
+// work item handling.
+// 
+// Copyright (c) 2012 Pekka Jääskeläinen / TUT
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef _POCL_WORKITEM_HANDLER_H
+#define _POCL_WORKITEM_HANDLER_H
+
+#include "config.h"
+#if (defined LLVM_3_1 or defined LLVM_3_2)
+#include "llvm/Function.h"
+#else
+#include "llvm/IR/Function.h"
+#endif
+
+#include "llvm/Pass.h"
+#include "llvm/Support/CommandLine.h"
+
+namespace llvm {
+  class DominatorTree;
+}
+
+namespace pocl {
+  class Workgroup;
+  class Kernel;
+
+  class WorkitemHandler : public llvm::FunctionPass {
+  public:
+
+    WorkitemHandler(char& ID);
+
+    virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const = 0;
+    virtual bool runOnFunction(llvm::Function &F);
+
+    virtual void Initialize(pocl::Kernel *K);
+
+  protected:
+    
+    void movePhiNodes(llvm::BasicBlock* src, llvm::BasicBlock* dst);
+    bool fixUndominatedVariableUses(llvm::DominatorTree *DT, llvm::Function &F);
+    bool dominatesUse(llvm::DominatorTree *DT, llvm::Instruction &I, unsigned i);
+
+    int LocalSizeX, LocalSizeY, LocalSizeZ;
+
+    unsigned size_t_width;
+
+    /* The global variables that store the current local id. */
+    llvm::Value *localIdZ, *localIdY, *localIdX;
+
+  };
+
+  extern llvm::cl::opt<bool> AddWIMetadata;
+}
+
+#endif