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// Header for WorkitemHandlerChooser function pass.
//
// 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_CHOOSER_H
#define POCL_WORKITEM_HANDLER_CHOOSER_H
#include "config.h"
#include <llvm/Passes/PassBuilder.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/PassManager.h>
#include <llvm/Pass.h>
#include "WorkitemHandler.h"
namespace pocl {
enum class WorkitemHandlerType { FULL_REPLICATION, LOOPS, CBS, INVALID };
// this is required because we can only return class/struct from LLVM Analysis
struct WorkitemHandlerResult {
WorkitemHandlerType WIH;
WorkitemHandlerResult() : WIH(WorkitemHandlerType::LOOPS) {}
WorkitemHandlerResult(WorkitemHandlerType A) : WIH(A) {}
#if LLVM_MAJOR >= MIN_LLVM_NEW_PASSMANAGER
bool invalidate(llvm::Function &F, const llvm::PreservedAnalyses PA,
llvm::AnalysisManager<llvm::Function>::Invalidator &Inv);
#endif
};
#if LLVM_MAJOR < MIN_LLVM_NEW_PASSMANAGER
class WorkitemHandlerChooser : public llvm::FunctionPass {
WorkitemHandlerResult chosenHandler_;
public:
static char ID;
WorkitemHandlerChooser() : FunctionPass(ID) {}
virtual bool runOnFunction(llvm::Function &F) override;
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
WorkitemHandlerType chosenHandler() { return chosenHandler_.WIH; }
};
#else
class WorkitemHandlerChooser
: public llvm::AnalysisInfoMixin<WorkitemHandlerChooser> {
public:
static llvm::AnalysisKey Key;
using Result = WorkitemHandlerResult;
static void registerWithPB(llvm::PassBuilder &PB);
Result run(llvm::Function &F, llvm::FunctionAnalysisManager &AM);
static bool isRequired() { return true; }
};
#endif
}
#endif
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