llvm/llvm/include/llvm/ExecutionEngine/Orc/SpeculateAnalyses.h

//===-- SpeculateAnalyses.h  --*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \file
/// Contains the Analyses and Result Interpretation to select likely functions
/// to Speculatively compile before they are called. [Purely Experimentation]
//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_SPECULATEANALYSES_H
#define LLVM_EXECUTIONENGINE_ORC_SPECULATEANALYSES_H

#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
#include "llvm/ExecutionEngine/Orc/Speculation.h"

namespace llvm {

namespace orc {

// Provides common code.
class SpeculateQuery { … };

// Direct calls in high frequency basic blocks are extracted.
class BlockFreqQuery : public SpeculateQuery { … };

// This Query generates a sequence of basic blocks which follows the order of
// execution.
// A handful of BB with higher block frequencies are taken, then path to entry
// and end BB are discovered by traversing up & down the CFG.
class SequenceBBQuery : public SpeculateQuery { … };

} // namespace orc
} // namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_SPECULATEANALYSES_H