88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
//===--------------------- InstructionInfoView.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
|
|
///
|
|
/// This file implements the instruction info view.
|
|
///
|
|
/// The goal fo the instruction info view is to print the latency and reciprocal
|
|
/// throughput information for every instruction in the input sequence.
|
|
/// This section also reports extra information related to the number of micro
|
|
/// opcodes, and opcode properties (i.e. 'MayLoad', 'MayStore', 'HasSideEffects)
|
|
///
|
|
/// Example:
|
|
///
|
|
/// Instruction Info:
|
|
/// [1]: #uOps
|
|
/// [2]: Latency
|
|
/// [3]: RThroughput
|
|
/// [4]: MayLoad
|
|
/// [5]: MayStore
|
|
/// [6]: HasSideEffects
|
|
///
|
|
/// [1] [2] [3] [4] [5] [6] Instructions:
|
|
/// 1 2 1.00 vmulps %xmm0, %xmm1, %xmm2
|
|
/// 1 3 1.00 vhaddps %xmm2, %xmm2, %xmm3
|
|
/// 1 3 1.00 vhaddps %xmm3, %xmm3, %xmm4
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONINFOVIEW_H
|
|
#define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONINFOVIEW_H
|
|
|
|
#include "Views/InstructionView.h"
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/MC/MCInst.h"
|
|
#include "llvm/MC/MCInstPrinter.h"
|
|
#include "llvm/MC/MCInstrInfo.h"
|
|
#include "llvm/MC/MCSubtargetInfo.h"
|
|
#include "llvm/MCA/CodeEmitter.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
#define DEBUG_TYPE "llvm-mca"
|
|
|
|
namespace llvm {
|
|
namespace mca {
|
|
|
|
/// A view that prints out generic instruction information.
|
|
class InstructionInfoView : public InstructionView {
|
|
const llvm::MCInstrInfo &MCII;
|
|
CodeEmitter &CE;
|
|
bool PrintEncodings;
|
|
|
|
struct InstructionInfoViewData {
|
|
unsigned NumMicroOpcodes = 0;
|
|
unsigned Latency = 0;
|
|
Optional<double> RThroughput = 0.0;
|
|
bool mayLoad = false;
|
|
bool mayStore = false;
|
|
bool hasUnmodeledSideEffects = false;
|
|
};
|
|
using IIVDVec = SmallVector<InstructionInfoViewData, 16>;
|
|
|
|
/// Place the data into the array of InstructionInfoViewData IIVD.
|
|
void collectData(MutableArrayRef<InstructionInfoViewData> IIVD) const;
|
|
|
|
public:
|
|
InstructionInfoView(const llvm::MCSubtargetInfo &ST,
|
|
const llvm::MCInstrInfo &II, CodeEmitter &C,
|
|
bool ShouldPrintEncodings, llvm::ArrayRef<llvm::MCInst> S,
|
|
llvm::MCInstPrinter &IP)
|
|
: InstructionView(ST, IP, S), MCII(II), CE(C),
|
|
PrintEncodings(ShouldPrintEncodings) {}
|
|
|
|
void printView(llvm::raw_ostream &OS) const override;
|
|
StringRef getNameAsString() const override { return "InstructionInfoView"; }
|
|
json::Value toJSON() const override;
|
|
json::Object toJSON(const InstructionInfoViewData &IIVD) const;
|
|
};
|
|
} // namespace mca
|
|
} // namespace llvm
|
|
|
|
#endif
|