| //===--------------------- InstructionTables.h ------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// |
| /// This file implements a custom stage to generate instruction tables. |
| /// See the description of command-line flag -instruction-tables in |
| /// docs/CommandGuide/lvm-mca.rst |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_MCA_INSTRUCTIONTABLES_H |
| #define LLVM_MCA_INSTRUCTIONTABLES_H |
| |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/MC/MCSchedule.h" |
| #include "llvm/MCA/HardwareUnits/Scheduler.h" |
| #include "llvm/MCA/Stages/Stage.h" |
| #include "llvm/MCA/Support.h" |
| |
| namespace llvm { |
| namespace mca { |
| |
| class InstructionTables final : public Stage { |
| const MCSchedModel &SM; |
| SmallVector<std::pair<ResourceRef, ResourceCycles>, 4> UsedResources; |
| SmallVector<uint64_t, 8> Masks; |
| |
| public: |
| InstructionTables(const MCSchedModel &Model) : Stage(), SM(Model) { |
| computeProcResourceMasks(Model, Masks); |
| } |
| |
| bool hasWorkToComplete() const override { return false; } |
| Error execute(InstRef &IR) override; |
| }; |
| } // namespace mca |
| } // namespace llvm |
| |
| #endif // LLVM_MCA_INSTRUCTIONTABLES_H |