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https://github.com/Gericom/teak-llvm.git
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4d81e87765
Summary: It doesn't need anything from Analysis::SchedClassCluster class, and takes ResolvedSchedClass as param, so this seems rather fitting. Reviewers: courbet, gchatelet Reviewed By: courbet Subscribers: tschuett, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D59994 llvm-svn: 357263
64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
//===-- SchedClassResolution.h ----------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// Resolution of MCInst sched class into expanded form for further analysis.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_EXEGESIS_SCHEDCLASSRESOLUTION_H
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#define LLVM_TOOLS_LLVM_EXEGESIS_SCHEDCLASSRESOLUTION_H
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#include "BenchmarkResult.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCDisassembler/MCDisassembler.h"
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#include "llvm/MC/MCInstPrinter.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCObjectFileInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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namespace exegesis {
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// Computes the idealized ProcRes Unit pressure. This is the expected
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// distribution if the CPU scheduler can distribute the load as evenly as
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// possible.
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std::vector<std::pair<uint16_t, float>> computeIdealizedProcResPressure(
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const llvm::MCSchedModel &SM,
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llvm::SmallVector<llvm::MCWriteProcResEntry, 8> WPRS);
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// An llvm::MCSchedClassDesc augmented with some additional data.
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struct ResolvedSchedClass {
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ResolvedSchedClass(const llvm::MCSubtargetInfo &STI,
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unsigned ResolvedSchedClassId, bool WasVariant);
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static std::pair<unsigned /*SchedClassId*/, bool /*WasVariant*/>
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resolveSchedClassId(const llvm::MCSubtargetInfo &SubtargetInfo,
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const llvm::MCInstrInfo &InstrInfo,
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const llvm::MCInst &MCI);
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std::vector<BenchmarkMeasure>
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getAsPoint(InstructionBenchmark::ModeE Mode, const llvm::MCSubtargetInfo &STI,
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ArrayRef<PerInstructionStats> Representative) const;
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const unsigned SchedClassId;
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const llvm::MCSchedClassDesc *const SCDesc;
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const bool WasVariant; // Whether the original class was variant.
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const llvm::SmallVector<llvm::MCWriteProcResEntry, 8>
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NonRedundantWriteProcRes;
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const std::vector<std::pair<uint16_t, float>> IdealizedProcResPressure;
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};
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} // namespace exegesis
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} // namespace llvm
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#endif // LLVM_TOOLS_LLVM_EXEGESIS_SCHEDCLASSRESOLUTION_H
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