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llvm-mirror/tools/llvm-mca/llvm-mca.cpp
Marcos Horro 44d94bc849 [llvm-mca][JSON] Store extra information about driver flags used for the simulation 
Added information stored in PipelineOptions and the MCSubtargetInfo.

Bug: https://bugs.llvm.org/show_bug.cgi?id=51041

Reviewed By: andreadb

Differential Revision: https://reviews.llvm.org/D106077
2021-07-16 09:18:40 +02:00

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//===-- llvm-mca.cpp - Machine Code Analyzer -------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This utility is a simple driver that allows static performance analysis on
// machine code similarly to how IACA (Intel Architecture Code Analyzer) works.
//
// llvm-mca [options] <file-name>
// -march <type>
// -mcpu <cpu>
// -o <file>
//
// The target defaults to the host target.
// The cpu defaults to the 'native' host cpu.
// The output defaults to standard output.
//
//===----------------------------------------------------------------------===//
#include "CodeRegion.h"
#include "CodeRegionGenerator.h"
#include "PipelinePrinter.h"
#include "Views/BottleneckAnalysis.h"
#include "Views/DispatchStatistics.h"
#include "Views/InstructionInfoView.h"
#include "Views/RegisterFileStatistics.h"
#include "Views/ResourcePressureView.h"
#include "Views/RetireControlUnitStatistics.h"
#include "Views/SchedulerStatistics.h"
#include "Views/SummaryView.h"
#include "Views/TimelineView.h"
#ifdef HAS_AMDGPU
#include "lib/AMDGPU/AMDGPUCustomBehaviour.h"
#endif
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCTargetOptionsCommandFlags.h"
#include "llvm/MCA/CodeEmitter.h"
#include "llvm/MCA/Context.h"
#include "llvm/MCA/CustomBehaviour.h"
#include "llvm/MCA/InstrBuilder.h"
#include "llvm/MCA/Pipeline.h"
#include "llvm/MCA/Stages/EntryStage.h"
#include "llvm/MCA/Stages/InstructionTables.h"
#include "llvm/MCA/Support.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/WithColor.h"
using namespace llvm;
static mc::RegisterMCTargetOptionsFlags MOF;
static cl::OptionCategory ToolOptions("Tool Options");
static cl::OptionCategory ViewOptions("View Options");
static cl::opt<std::string> InputFilename(cl::Positional,
cl::desc("<input file>"),
cl::cat(ToolOptions), cl::init("-"));
static cl::opt<std::string> OutputFilename("o", cl::desc("Output filename"),
cl::init("-"), cl::cat(ToolOptions),
cl::value_desc("filename"));
static cl::opt<std::string>
ArchName("march",
cl::desc("Target architecture. "
"See -version for available targets"),
cl::cat(ToolOptions));
static cl::opt<std::string>
TripleName("mtriple",
cl::desc("Target triple. See -version for available targets"),
cl::cat(ToolOptions));
static cl::opt<std::string>
MCPU("mcpu",
cl::desc("Target a specific cpu type (-mcpu=help for details)"),
cl::value_desc("cpu-name"), cl::cat(ToolOptions), cl::init("native"));
static cl::opt<std::string> MATTR("mattr",
cl::desc("Additional target features."),
cl::cat(ToolOptions));
static cl::opt<bool> PrintJson("json",
cl::desc("Print the output in json format"),
cl::cat(ToolOptions), cl::init(false));
static cl::opt<int>
OutputAsmVariant("output-asm-variant",
cl::desc("Syntax variant to use for output printing"),
cl::cat(ToolOptions), cl::init(-1));
static cl::opt<bool>
PrintImmHex("print-imm-hex", cl::cat(ToolOptions), cl::init(false),
cl::desc("Prefer hex format when printing immediate values"));
static cl::opt<unsigned> Iterations("iterations",
cl::desc("Number of iterations to run"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<unsigned>
DispatchWidth("dispatch", cl::desc("Override the processor dispatch width"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<unsigned>
RegisterFileSize("register-file-size",
cl::desc("Maximum number of physical registers which can "
"be used for register mappings"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<unsigned>
MicroOpQueue("micro-op-queue-size", cl::Hidden,
cl::desc("Number of entries in the micro-op queue"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<unsigned>
DecoderThroughput("decoder-throughput", cl::Hidden,
cl::desc("Maximum throughput from the decoders "
"(instructions per cycle)"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<bool>
PrintRegisterFileStats("register-file-stats",
cl::desc("Print register file statistics"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool> PrintDispatchStats("dispatch-stats",
cl::desc("Print dispatch statistics"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool>
PrintSummaryView("summary-view", cl::Hidden,
cl::desc("Print summary view (enabled by default)"),
cl::cat(ViewOptions), cl::init(true));
static cl::opt<bool> PrintSchedulerStats("scheduler-stats",
cl::desc("Print scheduler statistics"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool>
PrintRetireStats("retire-stats",
cl::desc("Print retire control unit statistics"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool> PrintResourcePressureView(
"resource-pressure",
cl::desc("Print the resource pressure view (enabled by default)"),
cl::cat(ViewOptions), cl::init(true));
static cl::opt<bool> PrintTimelineView("timeline",
cl::desc("Print the timeline view"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<unsigned> TimelineMaxIterations(
"timeline-max-iterations",
cl::desc("Maximum number of iterations to print in timeline view"),
cl::cat(ViewOptions), cl::init(0));
static cl::opt<unsigned>
TimelineMaxCycles("timeline-max-cycles",
cl::desc("Maximum number of cycles in the timeline view, "
"or 0 for unlimited. Defaults to 80 cycles"),
cl::cat(ViewOptions), cl::init(80));
static cl::opt<bool>
AssumeNoAlias("noalias",
cl::desc("If set, assume that loads and stores do not alias"),
cl::cat(ToolOptions), cl::init(true));
static cl::opt<unsigned> LoadQueueSize("lqueue",
cl::desc("Size of the load queue"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<unsigned> StoreQueueSize("squeue",
cl::desc("Size of the store queue"),
cl::cat(ToolOptions), cl::init(0));
static cl::opt<bool>
PrintInstructionTables("instruction-tables",
cl::desc("Print instruction tables"),
cl::cat(ToolOptions), cl::init(false));
static cl::opt<bool> PrintInstructionInfoView(
"instruction-info",
cl::desc("Print the instruction info view (enabled by default)"),
cl::cat(ViewOptions), cl::init(true));
static cl::opt<bool> EnableAllStats("all-stats",
cl::desc("Print all hardware statistics"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool>
EnableAllViews("all-views",
cl::desc("Print all views including hardware statistics"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool> EnableBottleneckAnalysis(
"bottleneck-analysis",
cl::desc("Enable bottleneck analysis (disabled by default)"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool> ShowEncoding(
"show-encoding",
cl::desc("Print encoding information in the instruction info view"),
cl::cat(ViewOptions), cl::init(false));
static cl::opt<bool> DisableCustomBehaviour(
"disable-cb",
cl::desc(
"Disable custom behaviour (use the default class which does nothing)."),
cl::cat(ViewOptions), cl::init(false));
namespace {
const Target *getTarget(const char *ProgName) {
if (TripleName.empty())
TripleName = Triple::normalize(sys::getDefaultTargetTriple());
Triple TheTriple(TripleName);
// Get the target specific parser.
std::string Error;
const Target *TheTarget =
TargetRegistry::lookupTarget(ArchName, TheTriple, Error);
if (!TheTarget) {
errs() << ProgName << ": " << Error;
return nullptr;
}
// Update TripleName with the updated triple from the target lookup.
TripleName = TheTriple.str();
// Return the found target.
return TheTarget;
}
ErrorOr<std::unique_ptr<ToolOutputFile>> getOutputStream() {
if (OutputFilename == "")
OutputFilename = "-";
std::error_code EC;
auto Out = std::make_unique<ToolOutputFile>(OutputFilename, EC,
sys::fs::OF_TextWithCRLF);
if (!EC)
return std::move(Out);
return EC;
}
} // end of anonymous namespace
static void processOptionImpl(cl::opt<bool> &O, const cl::opt<bool> &Default) {
if (!O.getNumOccurrences() || O.getPosition() < Default.getPosition())
O = Default.getValue();
}
static void processViewOptions(bool IsOutOfOrder) {
if (!EnableAllViews.getNumOccurrences() &&
!EnableAllStats.getNumOccurrences())
return;
if (EnableAllViews.getNumOccurrences()) {
processOptionImpl(PrintSummaryView, EnableAllViews);
if (IsOutOfOrder)
processOptionImpl(EnableBottleneckAnalysis, EnableAllViews);
processOptionImpl(PrintResourcePressureView, EnableAllViews);
processOptionImpl(PrintTimelineView, EnableAllViews);
processOptionImpl(PrintInstructionInfoView, EnableAllViews);
}
const cl::opt<bool> &Default =
EnableAllViews.getPosition() < EnableAllStats.getPosition()
? EnableAllStats
: EnableAllViews;
processOptionImpl(PrintRegisterFileStats, Default);
processOptionImpl(PrintDispatchStats, Default);
processOptionImpl(PrintSchedulerStats, Default);
if (IsOutOfOrder)
processOptionImpl(PrintRetireStats, Default);
}
std::unique_ptr<mca::InstrPostProcess>
createInstrPostProcess(const Triple &TheTriple, const MCSubtargetInfo &STI,
const MCInstrInfo &MCII) {
// Might be a good idea to have a separate flag so that InstrPostProcess
// can be used with or without CustomBehaviour
if (DisableCustomBehaviour)
return std::make_unique<mca::InstrPostProcess>(STI, MCII);
#ifdef HAS_AMDGPU
if (TheTriple.isAMDGPU())
return std::make_unique<mca::AMDGPUInstrPostProcess>(STI, MCII);
#endif
return std::make_unique<mca::InstrPostProcess>(STI, MCII);
}
std::unique_ptr<mca::CustomBehaviour>
createCustomBehaviour(const Triple &TheTriple, const MCSubtargetInfo &STI,
const mca::SourceMgr &SrcMgr, const MCInstrInfo &MCII) {
// Build the appropriate CustomBehaviour object for the current target.
// The CustomBehaviour class should never depend on the source code,
// but it can depend on the list of mca::Instruction and any classes
// that can be built using just the target info. If you need extra
// information from the source code or the list of MCInst, consider
// adding that information to the mca::Instruction class and setting
// it during InstrBuilder::createInstruction().
if (DisableCustomBehaviour)
return std::make_unique<mca::CustomBehaviour>(STI, SrcMgr, MCII);
#ifdef HAS_AMDGPU
if (TheTriple.isAMDGPU())
return std::make_unique<mca::AMDGPUCustomBehaviour>(STI, SrcMgr, MCII);
#endif
return std::make_unique<mca::CustomBehaviour>(STI, SrcMgr, MCII);
}
// Returns true on success.
static bool runPipeline(mca::Pipeline &P) {
// Handle pipeline errors here.
Expected<unsigned> Cycles = P.run();
if (!Cycles) {
WithColor::error() << toString(Cycles.takeError());
return false;
}
return true;
}
int main(int argc, char **argv) {
InitLLVM X(argc, argv);
// Initialize targets and assembly parsers.
InitializeAllTargetInfos();
InitializeAllTargetMCs();
InitializeAllAsmParsers();
// Enable printing of available targets when flag --version is specified.
cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
cl::HideUnrelatedOptions({&ToolOptions, &ViewOptions});
// Parse flags and initialize target options.
cl::ParseCommandLineOptions(argc, argv,
"llvm machine code performance analyzer.\n");
// Get the target from the triple. If a triple is not specified, then select
// the default triple for the host. If the triple doesn't correspond to any
// registered target, then exit with an error message.
const char *ProgName = argv[0];
const Target *TheTarget = getTarget(ProgName);
if (!TheTarget)
return 1;
// GetTarget() may replaced TripleName with a default triple.
// For safety, reconstruct the Triple object.
Triple TheTriple(TripleName);
ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr =
MemoryBuffer::getFileOrSTDIN(InputFilename);
if (std::error_code EC = BufferPtr.getError()) {
WithColor::error() << InputFilename << ": " << EC.message() << '\n';
return 1;
}
if (MCPU == "native")
MCPU = std::string(llvm::sys::getHostCPUName());
std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(TripleName, MCPU, MATTR));
assert(STI && "Unable to create subtarget info!");
if (!STI->isCPUStringValid(MCPU))
return 1;
bool IsOutOfOrder = STI->getSchedModel().isOutOfOrder();
if (!PrintInstructionTables && !IsOutOfOrder) {
WithColor::warning() << "support for in-order CPU '" << MCPU
<< "' is experimental.\n";
}
if (!STI->getSchedModel().hasInstrSchedModel()) {
WithColor::error()
<< "unable to find instruction-level scheduling information for"
<< " target triple '" << TheTriple.normalize() << "' and cpu '" << MCPU
<< "'.\n";
if (STI->getSchedModel().InstrItineraries)
WithColor::note()
<< "cpu '" << MCPU << "' provides itineraries. However, "
<< "instruction itineraries are currently unsupported.\n";
return 1;
}
// Apply overrides to llvm-mca specific options.
processViewOptions(IsOutOfOrder);
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
assert(MRI && "Unable to create target register info!");
MCTargetOptions MCOptions = mc::InitMCTargetOptionsFromFlags();
std::unique_ptr<MCAsmInfo> MAI(
TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions));
assert(MAI && "Unable to create target asm info!");
SourceMgr SrcMgr;
// Tell SrcMgr about this buffer, which is what the parser will pick up.
SrcMgr.AddNewSourceBuffer(std::move(*BufferPtr), SMLoc());
MCContext Ctx(TheTriple, MAI.get(), MRI.get(), STI.get(), &SrcMgr);
std::unique_ptr<MCObjectFileInfo> MOFI(
TheTarget->createMCObjectFileInfo(Ctx, /*PIC=*/false));
Ctx.setObjectFileInfo(MOFI.get());
std::unique_ptr<buffer_ostream> BOS;
std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
assert(MCII && "Unable to create instruction info!");
std::unique_ptr<MCInstrAnalysis> MCIA(
TheTarget->createMCInstrAnalysis(MCII.get()));
// Need to initialize an MCInstPrinter as it is
// required for initializing the MCTargetStreamer
// which needs to happen within the CRG.parseCodeRegions() call below.
// Without an MCTargetStreamer, certain assembly directives can trigger a
// segfault. (For example, the .cv_fpo_proc directive on x86 will segfault if
// we don't initialize the MCTargetStreamer.)
unsigned IPtempOutputAsmVariant =
OutputAsmVariant == -1 ? 0 : OutputAsmVariant;
std::unique_ptr<MCInstPrinter> IPtemp(TheTarget->createMCInstPrinter(
Triple(TripleName), IPtempOutputAsmVariant, *MAI, *MCII, *MRI));
if (!IPtemp) {
WithColor::error()
<< "unable to create instruction printer for target triple '"
<< TheTriple.normalize() << "' with assembly variant "
<< IPtempOutputAsmVariant << ".\n";
return 1;
}
// Parse the input and create CodeRegions that llvm-mca can analyze.
mca::AsmCodeRegionGenerator CRG(*TheTarget, SrcMgr, Ctx, *MAI, *STI, *MCII);
Expected<const mca::CodeRegions &> RegionsOrErr =
CRG.parseCodeRegions(std::move(IPtemp));
if (!RegionsOrErr) {
if (auto Err =
handleErrors(RegionsOrErr.takeError(), [](const StringError &E) {
WithColor::error() << E.getMessage() << '\n';
})) {
// Default case.
WithColor::error() << toString(std::move(Err)) << '\n';
}
return 1;
}
const mca::CodeRegions &Regions = *RegionsOrErr;
// Early exit if errors were found by the code region parsing logic.
if (!Regions.isValid())
return 1;
if (Regions.empty()) {
WithColor::error() << "no assembly instructions found.\n";
return 1;
}
// Now initialize the output file.
auto OF = getOutputStream();
if (std::error_code EC = OF.getError()) {
WithColor::error() << EC.message() << '\n';
return 1;
}
unsigned AssemblerDialect = CRG.getAssemblerDialect();
if (OutputAsmVariant >= 0)
AssemblerDialect = static_cast<unsigned>(OutputAsmVariant);
std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
Triple(TripleName), AssemblerDialect, *MAI, *MCII, *MRI));
if (!IP) {
WithColor::error()
<< "unable to create instruction printer for target triple '"
<< TheTriple.normalize() << "' with assembly variant "
<< AssemblerDialect << ".\n";
return 1;
}
// Set the display preference for hex vs. decimal immediates.
IP->setPrintImmHex(PrintImmHex);
std::unique_ptr<ToolOutputFile> TOF = std::move(*OF);
const MCSchedModel &SM = STI->getSchedModel();
// Create an instruction builder.
mca::InstrBuilder IB(*STI, *MCII, *MRI, MCIA.get());
// Create a context to control ownership of the pipeline hardware.
mca::Context MCA(*MRI, *STI);
mca::PipelineOptions PO(MicroOpQueue, DecoderThroughput, DispatchWidth,
RegisterFileSize, LoadQueueSize, StoreQueueSize,
AssumeNoAlias, EnableBottleneckAnalysis);
// Number each region in the sequence.
unsigned RegionIdx = 0;
std::unique_ptr<MCCodeEmitter> MCE(
TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
assert(MCE && "Unable to create code emitter!");
std::unique_ptr<MCAsmBackend> MAB(TheTarget->createMCAsmBackend(
*STI, *MRI, mc::InitMCTargetOptionsFromFlags()));
assert(MAB && "Unable to create asm backend!");
json::Object JSONOutput;
for (const std::unique_ptr<mca::CodeRegion> &Region : Regions) {
// Skip empty code regions.
if (Region->empty())
continue;
IB.clear();
// Lower the MCInst sequence into an mca::Instruction sequence.
ArrayRef<MCInst> Insts = Region->getInstructions();
mca::CodeEmitter CE(*STI, *MAB, *MCE, Insts);
std::unique_ptr<mca::InstrPostProcess> IPP =
createInstrPostProcess(TheTriple, *STI, *MCII);
std::vector<std::unique_ptr<mca::Instruction>> LoweredSequence;
for (const MCInst &MCI : Insts) {
Expected<std::unique_ptr<mca::Instruction>> Inst =
IB.createInstruction(MCI);
if (!Inst) {
if (auto NewE = handleErrors(
Inst.takeError(),
[&IP, &STI](const mca::InstructionError<MCInst> &IE) {
std::string InstructionStr;
raw_string_ostream SS(InstructionStr);
WithColor::error() << IE.Message << '\n';
IP->printInst(&IE.Inst, 0, "", *STI, SS);
SS.flush();
WithColor::note()
<< "instruction: " << InstructionStr << '\n';
})) {
// Default case.
WithColor::error() << toString(std::move(NewE));
}
return 1;
}
IPP->postProcessInstruction(Inst.get(), MCI);
LoweredSequence.emplace_back(std::move(Inst.get()));
}
mca::SourceMgr S(LoweredSequence, PrintInstructionTables ? 1 : Iterations);
if (PrintInstructionTables) {
// Create a pipeline, stages, and a printer.
auto P = std::make_unique<mca::Pipeline>();
P->appendStage(std::make_unique<mca::EntryStage>(S));
P->appendStage(std::make_unique<mca::InstructionTables>(SM));
mca::PipelinePrinter Printer(*P, *Region, RegionIdx, *STI, PO);
if (PrintJson) {
Printer.addView(
std::make_unique<mca::InstructionView>(*STI, *IP, Insts));
}
// Create the views for this pipeline, execute, and emit a report.
if (PrintInstructionInfoView) {
Printer.addView(std::make_unique<mca::InstructionInfoView>(
*STI, *MCII, CE, ShowEncoding, Insts, *IP));
}
Printer.addView(
std::make_unique<mca::ResourcePressureView>(*STI, *IP, Insts));
if (!runPipeline(*P))
return 1;
if (PrintJson) {
Printer.printReport(JSONOutput);
} else {
Printer.printReport(TOF->os());
}
++RegionIdx;
continue;
}
// Create the CustomBehaviour object for enforcing Target Specific
// behaviours and dependencies that aren't expressed well enough
// in the tablegen. CB cannot depend on the list of MCInst or
// the source code (but it can depend on the list of
// mca::Instruction or any objects that can be reconstructed
// from the target information).
std::unique_ptr<mca::CustomBehaviour> CB =
createCustomBehaviour(TheTriple, *STI, S, *MCII);
// Create a basic pipeline simulating an out-of-order backend.
auto P = MCA.createDefaultPipeline(PO, S, *CB);
mca::PipelinePrinter Printer(*P, *Region, RegionIdx, *STI, PO);
// When we output JSON, we add a view that contains the instructions
// and CPU resource information.
if (PrintJson) {
auto IV = std::make_unique<mca::InstructionView>(*STI, *IP, Insts);
Printer.addView(std::move(IV));
}
if (PrintSummaryView)
Printer.addView(
std::make_unique<mca::SummaryView>(SM, Insts, DispatchWidth));
if (EnableBottleneckAnalysis) {
if (!IsOutOfOrder) {
WithColor::warning()
<< "bottleneck analysis is not supported for in-order CPU '" << MCPU
<< "'.\n";
}
Printer.addView(std::make_unique<mca::BottleneckAnalysis>(
*STI, *IP, Insts, S.getNumIterations()));
}
if (PrintInstructionInfoView)
Printer.addView(std::make_unique<mca::InstructionInfoView>(
*STI, *MCII, CE, ShowEncoding, Insts, *IP));
if (PrintDispatchStats)
Printer.addView(std::make_unique<mca::DispatchStatistics>());
if (PrintSchedulerStats)
Printer.addView(std::make_unique<mca::SchedulerStatistics>(*STI));
if (PrintRetireStats)
Printer.addView(std::make_unique<mca::RetireControlUnitStatistics>(SM));
if (PrintRegisterFileStats)
Printer.addView(std::make_unique<mca::RegisterFileStatistics>(*STI));
if (PrintResourcePressureView)
Printer.addView(
std::make_unique<mca::ResourcePressureView>(*STI, *IP, Insts));
if (PrintTimelineView) {
unsigned TimelineIterations =
TimelineMaxIterations ? TimelineMaxIterations : 10;
Printer.addView(std::make_unique<mca::TimelineView>(
*STI, *IP, Insts, std::min(TimelineIterations, S.getNumIterations()),
TimelineMaxCycles));
}
if (!runPipeline(*P))
return 1;
if (PrintJson) {
Printer.printReport(JSONOutput);
} else {
Printer.printReport(TOF->os());
}
++RegionIdx;
}
if (PrintJson)
TOF->os() << formatv("{0:2}", json::Value(std::move(JSONOutput))) << "\n";
TOF->keep();
return 0;
}
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