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diff --git a/src/core/dsp/wga.h b/src/core/dsp/wga.h
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+/******************************************************************************
+ * Copyright (c) 2013-2014, Texas Instruments Incorporated - http://www.ti.com/
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions are met:
+ *       * Redistributions of source code must retain the above copyright
+ *         notice, this list of conditions and the following disclaimer.
+ *       * Redistributions in binary form must reproduce the above copyright
+ *         notice, this list of conditions and the following disclaimer in the
+ *         documentation and/or other materials provided with the distribution.
+ *       * Neither the name of Texas Instruments Incorporated nor the
+ *         names of its contributors may be used to endorse or promote products
+ *         derived from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ *   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ *   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ *   THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+#ifndef __TIOPENCLWORKGROUPAGGREGATIONPASS_H
+#define __TIOPENCLWORKGROUPAGGREGATIONPASS_H
+
+#include <string>
+#include <set>
+#include "boost/tuple/tuple.hpp"
+#include <llvm/Pass.h>
+#include <llvm/IR/Instruction.h>
+
+#define MAX_DIMENSIONS 3u
+
+namespace llvm
+{
+
+class TIOpenclWorkGroupAggregation : public FunctionPass 
+{
+  public:
+    static char ID;
+
+    TIOpenclWorkGroupAggregation(bool pocl_mode = false);
+    virtual bool runOnFunction(Function &F);
+    virtual void getAnalysisUsage(AnalysisUsage &Info) const;
+
+  private:
+    Instruction*           IVPhi[MAX_DIMENSIONS];
+    bool                   is_pocl_mode;
+
+  private:
+    Instruction* createLoadGlobal(int32_t idx, Module* m, Instruction *before=0, 
+                                  const char *name=0);
+
+    BasicBlock*         findExitBlock     (Function &F);
+    unsigned int        findNeededLoopNest(Function &F);
+    unsigned int        findDim           (class CallInst* call);
+    bool                rewrite_ocl_funcs (Function &F);
+    void                add_loop          (Function &F, int dimIdx);
+    Instruction*        get_IV(Function &F, CallInst *call);
+    bool                rewrite_allocas(Function &F);
+};
+
+Pass *createTIOpenclWorkGroupAggregationPass(bool is_pocl_mode = false);
+
+}
+
+#endif // __TIOPENCLWORKGROUPAGGREGATIONPASS_H