forked from OSchip/llvm-project
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
//===--------------------- SummaryView.cpp -------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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///
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/// This file implements the functionalities used by the SummaryView to print
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/// the report information.
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///
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//===----------------------------------------------------------------------===//
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#include "SummaryView.h"
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#include "llvm/CodeGen/TargetSchedule.h"
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namespace mca {
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using namespace llvm;
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void SummaryView::printSummary(raw_ostream &OS) const {
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unsigned TotalInstructions = Instructions * Iterations;
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double IPC = (double)TotalInstructions / TotalCycles;
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std::string Buffer;
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raw_string_ostream TempStream(Buffer);
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TempStream << "Iterations: " << Iterations;
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TempStream << "\nInstructions: " << TotalInstructions;
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TempStream << "\nTotal Cycles: " << TotalCycles;
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TempStream << "\nDispatch Width: " << DispatchWidth;
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TempStream << "\nIPC: " << format("%.2f", IPC) << '\n';
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TempStream.flush();
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OS << Buffer;
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}
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void SummaryView::printInstructionInfo(raw_ostream &OS) const {
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std::string Buffer;
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raw_string_ostream TempStream(Buffer);
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TempStream << "\n\nInstruction Info:\n";
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TempStream << "[1]: #uOps\n[2]: Latency\n[3]: RThroughput\n"
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<< "[4]: MayLoad\n[5]: MayStore\n[6]: HasSideEffects\n\n";
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TempStream << "[1] [2] [3] [4] [5] [6]\tInstructions:\n";
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for (unsigned I = 0, E = Instructions; I < E; ++I) {
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const MCInst &Inst = B.getMCInstFromIndex(I);
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const InstrDesc &ID = B.getInstrDesc(Inst);
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unsigned NumMicroOpcodes = ID.NumMicroOps;
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unsigned Latency = ID.MaxLatency;
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double RThroughput = B.getRThroughput(ID);
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TempStream << ' ' << NumMicroOpcodes << " ";
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if (NumMicroOpcodes < 10)
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TempStream << " ";
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else if (NumMicroOpcodes < 100)
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TempStream << ' ';
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TempStream << Latency << " ";
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if (Latency < 10.0)
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TempStream << " ";
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else if (Latency < 100.0)
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TempStream << ' ';
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if (RThroughput) {
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TempStream << format("%.2f", RThroughput) << ' ';
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if (RThroughput < 10.0)
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TempStream << " ";
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else if (RThroughput < 100.0)
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TempStream << ' ';
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} else {
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TempStream << " - ";
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}
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TempStream << (ID.MayLoad ? " * " : " ");
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TempStream << (ID.MayStore ? " * " : " ");
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TempStream << (ID.HasSideEffects ? " * " : " ");
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MCIP.printInst(&Inst, TempStream, "", B.getSTI());
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TempStream << '\n';
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}
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TempStream.flush();
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OS << Buffer;
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}
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} // namespace mca.
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