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Diffstat (limited to 'llvm/tools/llvm-mca/SummaryView.cpp')
-rw-r--r-- | llvm/tools/llvm-mca/SummaryView.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/llvm/tools/llvm-mca/SummaryView.cpp b/llvm/tools/llvm-mca/SummaryView.cpp new file mode 100644 index 00000000000..7b1252ad057 --- /dev/null +++ b/llvm/tools/llvm-mca/SummaryView.cpp @@ -0,0 +1,83 @@ +//===--------------------- SummaryView.cpp -------------------*- 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 the functionalities used by the SummaryView to print +/// the report information. +/// +//===----------------------------------------------------------------------===// + +#include "SummaryView.h" +#include "llvm/CodeGen/TargetSchedule.h" + +namespace mca { + +using namespace llvm; + +void SummaryView::printSummary(raw_ostream &OS) const { + unsigned TotalInstructions = Instructions * Iterations; + double IPC = (double)TotalInstructions / TotalCycles; + + std::string Buffer; + raw_string_ostream TempStream(Buffer); + TempStream << "Iterations: " << Iterations; + TempStream << "\nInstructions: " << TotalInstructions; + TempStream << "\nTotal Cycles: " << TotalCycles; + TempStream << "\nDispatch Width: " << DispatchWidth; + TempStream << "\nIPC: " << format("%.2f", IPC) << '\n'; + TempStream.flush(); + OS << Buffer; +} + +void SummaryView::printInstructionInfo(raw_ostream &OS) const { + std::string Buffer; + raw_string_ostream TempStream(Buffer); + + TempStream << "\n\nInstruction Info:\n"; + TempStream << "[1]: #uOps\n[2]: Latency\n[3]: RThroughput\n" + << "[4]: MayLoad\n[5]: MayStore\n[6]: HasSideEffects\n\n"; + + TempStream << "[1] [2] [3] [4] [5] [6]\tInstructions:\n"; + for (unsigned I = 0, E = Instructions; I < E; ++I) { + const MCInst &Inst = B.getMCInstFromIndex(I); + const InstrDesc &ID = B.getInstrDesc(Inst); + unsigned NumMicroOpcodes = ID.NumMicroOps; + unsigned Latency = ID.MaxLatency; + double RThroughput = B.getRThroughput(ID); + TempStream << ' ' << NumMicroOpcodes << " "; + if (NumMicroOpcodes < 10) + TempStream << " "; + else if (NumMicroOpcodes < 100) + TempStream << ' '; + TempStream << Latency << " "; + if (Latency < 10.0) + TempStream << " "; + else if (Latency < 100.0) + TempStream << ' '; + if (RThroughput) { + TempStream << format("%.2f", RThroughput) << ' '; + if (RThroughput < 10.0) + TempStream << " "; + else if (RThroughput < 100.0) + TempStream << ' '; + } else { + TempStream << " - "; + } + TempStream << (ID.MayLoad ? " * " : " "); + TempStream << (ID.MayStore ? " * " : " "); + TempStream << (ID.HasSideEffects ? " * " : " "); + MCIP.printInst(&Inst, TempStream, "", B.getSTI()); + TempStream << '\n'; + } + + TempStream.flush(); + OS << Buffer; +} + +} // namespace mca. |