Subzero: A few fixes toward running larger programs.

src/llvm2ice.cpp

 //===- subzero/src/llvm2ice.cpp - Driver for testing ----------------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines a driver that uses LLVM capabilities to parse a
@@ skipping 70 matching lines @@
            cl::init(""), cl::value_desc("prefix"));
 static cl::opt<bool>
 DisableInternal("external",
                 cl::desc("Disable 'internal' linkage type for testing"));
 static cl::opt<bool>
 DisableTranslation("notranslate", cl::desc("Disable Subzero translation"));
 
 static cl::opt<bool> SubzeroTimingEnabled(
     "timing", cl::desc("Enable breakdown timing of Subzero translation"));
 
+static cl::opt<bool>
+    DisableGlobals("disable-globals",
+                   cl::desc("Disable global initializer translation"));
+
 static cl::opt<NaClFileFormat> InputFileFormat(
     "bitcode-format", cl::desc("Define format of input file:"),
     cl::values(clEnumValN(LLVMFormat, "llvm", "LLVM file (default)"),
                clEnumValN(PNaClFormat, "pnacl", "PNaCl bitcode file"),
                clEnumValEnd),
     cl::init(LLVMFormat));
 
 static cl::opt<bool>
 BuildOnRead("build-on-read",
             cl::desc("Build ICE instructions when reading bitcode"),
@@ skipping 20 matching lines @@
   }
   raw_os_ostream *Ls = new raw_os_ostream(LogFilename == "-" ? std::cout : Lfs);
   Ls->SetUnbuffered();
 
   Ice::GlobalContext Ctx(Ls, Os, VMask, TargetArch, OptLevel, TestPrefix);
 
   Ice::ClFlags Flags;
   Flags.DisableInternal = DisableInternal;
   Flags.SubzeroTimingEnabled = SubzeroTimingEnabled;
   Flags.DisableTranslation = DisableTranslation;
+  Flags.DisableGlobals = DisableGlobals;
 
   if (BuildOnRead) {
     Ice::PNaClTranslator Translator(&Ctx, Flags);
     Translator.translate(IRFilename);
     return Translator.getErrorStatus();
   } else {
     // Parse the input LLVM IR file into a module.
     SMDiagnostic Err;
     Ice::Timer T;
     Module *Mod =
         NaClParseIRFile(IRFilename, InputFileFormat, Err, getGlobalContext());
 
     if (SubzeroTimingEnabled) {
       std::cerr << "[Subzero timing] IR Parsing: " << T.getElapsedSec()
                 << " sec\n";
     }
 
     if (!Mod) {
       Err.print(argv[0], errs());
       return 1;
     }
 
     Ice::Converter Converter(&Ctx, Flags);
     Converter.convertToIce(Mod);
     return Converter.getErrorStatus();
   }
 }