6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
//=- llvm/CodeGen/MultiHazardRecognizer.h - Scheduling Support ----*- 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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// This file implements the MultiHazardRecognizer class, which is a wrapper
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// for a set of ScheduleHazardRecognizer instances
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MULTIHAZARDRECOGNIZER_H
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#define LLVM_CODEGEN_MULTIHAZARDRECOGNIZER_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/CodeGen/ScheduleHazardRecognizer.h"
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namespace llvm {
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class MachineInstr;
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class SUnit;
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class MultiHazardRecognizer : public ScheduleHazardRecognizer {
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SmallVector<std::unique_ptr<ScheduleHazardRecognizer>, 4> Recognizers;
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public:
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MultiHazardRecognizer() = default;
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void AddHazardRecognizer(std::unique_ptr<ScheduleHazardRecognizer> &&);
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bool atIssueLimit() const override;
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HazardType getHazardType(SUnit *, int Stalls = 0) override;
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void Reset() override;
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void EmitInstruction(SUnit *) override;
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void EmitInstruction(MachineInstr *) override;
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unsigned PreEmitNoops(SUnit *) override;
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unsigned PreEmitNoops(MachineInstr *) override;
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bool ShouldPreferAnother(SUnit *) override;
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void AdvanceCycle() override;
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void RecedeCycle() override;
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void EmitNoop() override;
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};
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} // end namespace llvm
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#endif // LLVM_CODEGEN_MULTIHAZARDRECOGNIZER_H
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