Subzero: Basic Block Profiler.

src/IceClFlags.cpp

 //===- subzero/src/IceClFlags.cpp - Command line flags and parsing --------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines commandline flags parsing.
@@ skipping 140 matching lines @@
     "timing-focus",
     cl::desc("Break down timing for a specific function (use '*' for all)"),
     cl::init(""));
 
 cl::opt<std::string>
     TranslateOnly("translate-only",
                   cl::desc("Translate only the given function"), cl::init(""));
 
 cl::opt<bool> UseSandboxing("sandbox", cl::desc("Use sandboxing"));
 
+cl::opt<bool> EnableBlockProfile(

[Jim Stichnoth, 2015/06/08 23:45:31]

This should probably go between DumpStats and FunctionSections (even though
apparently name changes and neglect have made some items creep out of order).

[John, 2015/06/09 15:36:18]

Done.

+    "enable-block-profile",
+    cl::desc("If true, instruments basic blocks, and output profiling "

[Jim Stichnoth, 2015/06/08 23:45:31]

"instrument" instead of "instruments", for consistency with other help strings
(and also for self-consistency)

[John, 2015/06/09 15:36:18]

Done.

+             "information at the end of program execution."),

[Jim Stichnoth, 2015/06/08 23:45:31]

Mention that it outputs to stdout?

[John, 2015/06/09 15:36:18]

Done.

+    cl::init(false));
+
 cl::opt<std::string> VerboseFocusOn(
     "verbose-focus",
     cl::desc("Temporarily enable full verbosity for a specific function"),
     cl::init(""));
 
 cl::opt<Ice::FileType> OutFileType(
     "filetype", cl::desc("Output file type"), cl::init(Ice::FT_Iasm),
     cl::values(clEnumValN(Ice::FT_Elf, "obj", "Native ELF object ('.o') file"),
                clEnumValN(Ice::FT_Asm, "asm", "Assembly ('.s') file"),
                clEnumValN(Ice::FT_Iasm, "iasm",
@@ skipping 92 matching lines @@
   OutFlags.DumpStats = false;
   OutFlags.FunctionSections = false;
   OutFlags.GenerateUnitTestMessages = false;
   OutFlags.PhiEdgeSplit = false;
   OutFlags.RandomNopInsertion = false;
   OutFlags.RandomRegAlloc = false;
   OutFlags.SkipUnimplemented = false;
   OutFlags.SubzeroTimingEnabled = false;
   OutFlags.TimeEachFunction = false;
   OutFlags.UseSandboxing = false;
+  OutFlags.EnableBlockProfile = false;

[Jim Stichnoth, 2015/06/08 23:45:31]

move this between DumpStats and FunctionSections

[John, 2015/06/09 15:36:18]

Done.

   // Enum and integer fields.
   OutFlags.Opt = Opt_m1;
   OutFlags.OutFileType = FT_Iasm;
   OutFlags.RandomMaxNopsPerInstruction = 0;
   OutFlags.RandomNopProbabilityAsPercentage = 0;
   OutFlags.TArch = TargetArch_NUM;
   OutFlags.VMask = IceV_None;
   // IceString fields.
   OutFlags.DefaultFunctionPrefix = "";
   OutFlags.DefaultGlobalPrefix = "";
@@ skipping 21 matching lines @@
   OutFlags.setAllowErrorRecovery(::AllowErrorRecovery);
   OutFlags.setAllowUninitializedGlobals(::AllowUninitializedGlobals);
   OutFlags.setDataSections(::DataSections);
   OutFlags.setDecorateAsm(::DecorateAsm);
   OutFlags.setDefaultFunctionPrefix(::DefaultFunctionPrefix);
   OutFlags.setDefaultGlobalPrefix(::DefaultGlobalPrefix);
   OutFlags.setDisableInternal(::DisableInternal);
   OutFlags.setDisableIRGeneration(::DisableIRGeneration);
   OutFlags.setDisableTranslation(::DisableTranslation);
   OutFlags.setDumpStats(::DumpStats);
+  OutFlags.setEnableBlockProfile(::EnableBlockProfile);
   OutFlags.setFunctionSections(::FunctionSections);
   OutFlags.setNumTranslationThreads(::NumThreads);
   OutFlags.setOptLevel(::OLevel);
   OutFlags.setPhiEdgeSplit(::EnablePhiEdgeSplit);
   OutFlags.setRandomSeed(::RandomSeed);
   OutFlags.setShouldDoNopInsertion(::ShouldDoNopInsertion);
   OutFlags.setShouldRandomizeRegAlloc(::RandomizeRegisterAllocation);
   OutFlags.setSkipUnimplemented(::SkipUnimplemented);
   OutFlags.setSubzeroTimingEnabled(::SubzeroTimingEnabled);
   OutFlags.setTargetArch(::TargetArch);
@@ skipping 16 matching lines @@
   OutFlagsExtra.setGenerateBuildAtts(GenerateBuildAtts);
   OutFlagsExtra.setLLVMVerboseErrors(LLVMVerboseErrors);
   OutFlagsExtra.setAppName(AppName);
   OutFlagsExtra.setInputFileFormat(InputFileFormat);
   OutFlagsExtra.setIRFilename(IRFilename);
   OutFlagsExtra.setLogFilename(LogFilename);
   OutFlagsExtra.setOutputFilename(OutputFilename);
 }
 
 } // end of namespace Ice