tools/llvm-mca/llvm-mca.cpp

65 static cl::OptionCategory ToolOptions("Tool Options");
66 static cl::OptionCategory ViewOptions("View Options");
68 static cl::opt<std::string> InputFilename(cl::Positional,
69                                           cl::desc("<input file>"),
70                                           cl::cat(ToolOptions), cl::init("-"));
72 static cl::opt<std::string> OutputFilename("o", cl::desc("Output filename"),
73                                            cl::init("-"), cl::cat(ToolOptions),
74                                            cl::value_desc("filename"));
76 static cl::opt<std::string>
78              cl::desc("Target architecture. "
80              cl::cat(ToolOptions));
82 static cl::opt<std::string>
84                cl::desc("Target triple. See -version for available targets"),
85                cl::cat(ToolOptions));
87 static cl::opt<std::string>
89          cl::desc("Target a specific cpu type (-mcpu=help for details)"),
90          cl::value_desc("cpu-name"), cl::cat(ToolOptions), cl::init("native"));
92 static cl::opt<std::string>
94           cl::desc("Additional target features."),
95           cl::cat(ToolOptions));
97 static cl::opt<int>
99                      cl::desc("Syntax variant to use for output printing"),
100                      cl::cat(ToolOptions), cl::init(-1));
102 static cl::opt<bool>
103     PrintImmHex("print-imm-hex", cl::cat(ToolOptions), cl::init(false),
104                 cl::desc("Prefer hex format when printing immediate values"));
106 static cl::opt<unsigned> Iterations("iterations",
107                                     cl::desc("Number of iterations to run"),
108                                     cl::cat(ToolOptions), cl::init(0));
110 static cl::opt<unsigned>
111     DispatchWidth("dispatch", cl::desc("Override the processor dispatch width"),
112                   cl::cat(ToolOptions), cl::init(0));
114 static cl::opt<unsigned>
116                      cl::desc("Maximum number of physical registers which can "
118                      cl::cat(ToolOptions), cl::init(0));
120 static cl::opt<unsigned>
121     MicroOpQueue("micro-op-queue-size", cl::Hidden,
122                  cl::desc("Number of entries in the micro-op queue"),
123                  cl::cat(ToolOptions), cl::init(0));
125 static cl::opt<unsigned>
126     DecoderThroughput("decoder-throughput", cl::Hidden,
127                       cl::desc("Maximum throughput from the decoders "
129                       cl::cat(ToolOptions), cl::init(0));
131 static cl::opt<bool>
133                            cl::desc("Print register file statistics"),
134                            cl::cat(ViewOptions), cl::init(false));
136 static cl::opt<bool> PrintDispatchStats("dispatch-stats",
137                                         cl::desc("Print dispatch statistics"),
138                                         cl::cat(ViewOptions), cl::init(false));
140 static cl::opt<bool>
141     PrintSummaryView("summary-view", cl::Hidden,
142                      cl::desc("Print summary view (enabled by default)"),
143                      cl::cat(ViewOptions), cl::init(true));
145 static cl::opt<bool> PrintSchedulerStats("scheduler-stats",
146                                          cl::desc("Print scheduler statistics"),
147                                          cl::cat(ViewOptions), cl::init(false));
149 static cl::opt<bool>
151                      cl::desc("Print retire control unit statistics"),
152                      cl::cat(ViewOptions), cl::init(false));
154 static cl::opt<bool> PrintResourcePressureView(
156     cl::desc("Print the resource pressure view (enabled by default)"),
157     cl::cat(ViewOptions), cl::init(true));
159 static cl::opt<bool> PrintTimelineView("timeline",
160                                        cl::desc("Print the timeline view"),
161                                        cl::cat(ViewOptions), cl::init(false));
163 static cl::opt<unsigned> TimelineMaxIterations(
165     cl::desc("Maximum number of iterations to print in timeline view"),
166     cl::cat(ViewOptions), cl::init(0));
168 static cl::opt<unsigned> TimelineMaxCycles(
170     cl::desc(
172     cl::cat(ViewOptions), cl::init(80));
174 static cl::opt<bool>
176                   cl::desc("If set, assume that loads and stores do not alias"),
177                   cl::cat(ToolOptions), cl::init(true));
179 static cl::opt<unsigned> LoadQueueSize("lqueue",
180                                        cl::desc("Size of the load queue"),
181                                        cl::cat(ToolOptions), cl::init(0));
183 static cl::opt<unsigned> StoreQueueSize("squeue",
184                                         cl::desc("Size of the store queue"),
185                                         cl::cat(ToolOptions), cl::init(0));
187 static cl::opt<bool>
189                            cl::desc("Print instruction tables"),
190                            cl::cat(ToolOptions), cl::init(false));
192 static cl::opt<bool> PrintInstructionInfoView(
194     cl::desc("Print the instruction info view (enabled by default)"),
195     cl::cat(ViewOptions), cl::init(true));
197 static cl::opt<bool> EnableAllStats("all-stats",
198                                     cl::desc("Print all hardware statistics"),
199                                     cl::cat(ViewOptions), cl::init(false));
201 static cl::opt<bool>
203                    cl::desc("Print all views including hardware statistics"),
204                    cl::cat(ViewOptions), cl::init(false));
206 static cl::opt<bool> EnableBottleneckAnalysis(
208     cl::desc("Enable bottleneck analysis (disabled by default)"),
209     cl::cat(ViewOptions), cl::init(false));
211 static cl::opt<bool> ShowEncoding(
213     cl::desc("Print encoding information in the instruction info view"),
214     cl::cat(ViewOptions), cl::init(false));
248 static void processOptionImpl(cl::opt<bool> &O, const cl::opt<bool> &Default) {
266   const cl::opt<bool> &Default =
296   cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
298   cl::HideUnrelatedOptions({&ToolOptions, &ViewOptions});
301   cl::ParseCommandLineOptions(argc, argv,