eliminate code related to --no-ir-gen

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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 64 matching lines @@
                         cl::desc("Define default global prefix for naming "
                                  "unnamed globals"),
                         cl::init("Global"));
 
 cl::opt<bool> DisableHybridAssembly(
     "no-hybrid-asm", cl::desc("Disable hybrid assembly when -filetype=iasm"),
     cl::init(false));
 
 cl::opt<bool> DisableInternal("externalize",
                               cl::desc("Externalize all symbols"));
-// Note: Modifiable only if ALLOW_DISABLE_IR_GEN.
-cl::opt<bool> DisableIRGeneration("no-ir-gen",
-                                  cl::desc("Disable generating Subzero IR."));
+
 cl::opt<bool> DisableTranslation("notranslate",
                                  cl::desc("Disable Subzero translation"));
 
 cl::opt<bool>
     DumpStats("szstats",
               cl::desc("Print statistics after translating each function"));
 
 // TODO(stichnot): The implementation of block profiling introduces some
 // oddities to be aware of.  First, empty basic blocks that don't normally
 // appear in the asm output, may be profiled anyway, so one might see profile
@@ skipping 285 matching lines @@
 void ClFlags::resetClFlags(ClFlags &OutFlags) {
   // bool fields
   OutFlags.AllowErrorRecovery = false;
   OutFlags.AllowExternDefinedSymbols = false;
   OutFlags.AllowIacaMarks = false;
   OutFlags.AllowUninitializedGlobals = false;
   OutFlags.DataSections = false;
   OutFlags.DecorateAsm = false;
   OutFlags.DisableHybridAssembly = false;
   OutFlags.DisableInternal = false;
-  OutFlags.DisableIRGeneration = false;
   OutFlags.DisableTranslation = false;
   OutFlags.DumpStats = false;
   OutFlags.EnableBlockProfile = false;
   OutFlags.ForceMemIntrinOpt = false;
   OutFlags.FunctionSections = false;
   OutFlags.GenerateUnitTestMessages = false;
   OutFlags.MockBoundsCheck = false;
   OutFlags.PhiEdgeSplit = false;
   OutFlags.RandomNopInsertion = false;
   OutFlags.RandomRegAlloc = false;
@@ skipping 23 matching lines @@
   OutFlags.TestPrefix = "";
   OutFlags.TimingFocusOn = "";
   OutFlags.TranslateOnly = "";
   OutFlags.VerboseFocusOn = "";
   // size_t and 64-bit fields.
   OutFlags.NumTranslationThreads = 0;
   OutFlags.RandomSeed = 0;
 }
 
 void ClFlags::getParsedClFlags(ClFlags &OutFlags) {
-  if (::DisableIRGeneration)
-    ::DisableTranslation = true;
-
   Ice::VerboseMask VMask = Ice::IceV_None;
   // Don't generate verbose messages if routines to dump messages are not
   // available.
   if (BuildDefs::dump()) {
     for (unsigned i = 0; i != VerboseList.size(); ++i)
       VMask |= VerboseList[i];
   }
 
   OutFlags.setAllowErrorRecovery(::AllowErrorRecovery);
   OutFlags.setAllowExternDefinedSymbols(::AllowExternDefinedSymbols ||
                                         ::DisableInternal);
   OutFlags.setAllowIacaMarks(::AllowIacaMarks);
   OutFlags.setAllowUninitializedGlobals(::AllowUninitializedGlobals);
   OutFlags.setDataSections(::DataSections);
   OutFlags.setDecorateAsm(::DecorateAsm);
   OutFlags.setDefaultFunctionPrefix(::DefaultFunctionPrefix);
   OutFlags.setDefaultGlobalPrefix(::DefaultGlobalPrefix);
   OutFlags.setDisableHybridAssembly(::DisableHybridAssembly ||
                                     (::OutFileType != Ice::FT_Iasm));
   OutFlags.setDisableInternal(::DisableInternal);
-  OutFlags.setDisableIRGeneration(::DisableIRGeneration);
   OutFlags.setDisableTranslation(::DisableTranslation);
   OutFlags.setDumpStats(::DumpStats);
   OutFlags.setEnableBlockProfile(::EnableBlockProfile);
   OutFlags.setForceMemIntrinOpt(::ForceMemIntrinOpt);
   OutFlags.setFunctionSections(::FunctionSections);
   OutFlags.setNumTranslationThreads(::NumThreads);
   OutFlags.setOptLevel(::OLevel);
   OutFlags.setMockBoundsCheck(::MockBoundsCheck);
   OutFlags.setPhiEdgeSplit(::EnablePhiEdgeSplit);
   OutFlags.setRandomSeed(::RandomSeed);
@@ skipping 33 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