fe01014faa
Moved View.h and View.cpp from /tools/llvm-mca/Views/ to /lib/MCA/ and /include/llvm/MCA/. This is so that targets can define their own Views within the /lib/Target/ directory (so that the View can use backend functionality). To enable these Views within mca, targets will need to add them to the vector of Views returned by their target's CustomBehaviour::getViews() methods. Differential Revision: https://reviews.llvm.org/D108520
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
//===----------------------- InstructionView.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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/// \file
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///
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/// This file defines the main interface for Views that examine and reference
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/// a sequence of machine instructions.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONVIEW_H
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#define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONVIEW_H
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#include "llvm/MCA/View.h"
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#include "llvm/Support/JSON.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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namespace mca {
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// The base class for views that deal with individual machine instructions.
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class InstructionView : public View {
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const llvm::MCSubtargetInfo &STI;
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llvm::MCInstPrinter &MCIP;
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llvm::ArrayRef<llvm::MCInst> Source;
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mutable std::string InstructionString;
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mutable raw_string_ostream InstrStream;
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public:
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void printView(llvm::raw_ostream &) const override {}
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InstructionView(const llvm::MCSubtargetInfo &STI,
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llvm::MCInstPrinter &Printer, llvm::ArrayRef<llvm::MCInst> S)
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: STI(STI), MCIP(Printer), Source(S), InstrStream(InstructionString) {}
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virtual ~InstructionView();
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StringRef getNameAsString() const override { return "Instructions"; }
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// Return a reference to a string representing a given machine instruction.
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// The result should be used or copied before the next call to
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// printInstructionString() as it will overwrite the previous result.
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StringRef printInstructionString(const llvm::MCInst &MCI) const;
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const llvm::MCSubtargetInfo &getSubTargetInfo() const { return STI; }
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llvm::MCInstPrinter &getInstPrinter() const { return MCIP; }
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llvm::ArrayRef<llvm::MCInst> getSource() const { return Source; }
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json::Value toJSON() const override;
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};
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} // namespace mca
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} // namespace llvm
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#endif
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