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// Class for kernels, a special kind of function.
//
// Copyright (c) 2011 Universidad Rey Juan Carlos
//
// 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_KERNEL_H
#define POCL_KERNEL_H
#include "CompilerWarnings.h"
IGNORE_COMPILER_WARNING("-Wmaybe-uninitialized")
#include <llvm/ADT/Twine.h>
POP_COMPILER_DIAGS
IGNORE_COMPILER_WARNING("-Wunused-parameter")
#include <llvm/ADT/SmallVector.h>
#include <llvm/Analysis/LoopInfo.h>
#include <llvm/IR/Dominators.h>
POP_COMPILER_DIAGS
#include "ParallelRegion.h"
namespace pocl {
class Kernel : public llvm::Function {
public:
void getExitBlocks(llvm::SmallVectorImpl<llvm::BasicBlock *> &B);
ParallelRegion *createParallelRegionBefore(llvm::BasicBlock *B);
ParallelRegion::ParallelRegionVector *
getParallelRegions(llvm::LoopInfo &LI);
void
getParallelRegions(llvm::LoopInfo &LI,
ParallelRegion::ParallelRegionVector *ParallelRegions);
void addLocalSizeInitCode(size_t LocalSizeX, size_t LocalSizeY,
size_t LocalSizeZ);
// Returns an instruction in the entry block which computes the
// total size of work-items in the work-group. If it doesn't
// exist, creates it to the end of the entry block.
llvm::Instruction *getWorkGroupSizeInstr();
static bool isKernel(const llvm::Function &F);
static bool classof(const Kernel *) { return true; }
// We assume any function can be a kernel. This could be used
// to check for metadata but would need to be overrideable somehow
// to honor the forced kernel name(s) parameter in command line.
static bool classof(const llvm::Function *) { return true; }
private:
// Instruction that computes the work-group size
llvm::Instruction *WGSizeInstr;
};
}
#endif
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