Subzero: Start writing out some relocation sections (text)

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
 // bitcode file and build the LLVM IR, and then convert the LLVM basic
 // blocks, instructions, and operands into their Subzero equivalents.
 //
 //===----------------------------------------------------------------------===//
 
 #include <fstream>
 #include <iostream>
 
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IRReader/IRReader.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/raw_os_ostream.h"
 #include "llvm/Support/SourceMgr.h"
 
 #include "IceCfg.h"
 #include "IceClFlags.h"
 #include "IceConverter.h"
+#include "IceELFObjectWriter.h"
+#include "IceELFStreamer.h"
 #include "PNaClTranslator.h"
 
 using namespace llvm;
 
 static cl::list<Ice::VerboseItem> VerboseList(
     "verbose", cl::CommaSeparated,
     cl::desc("Verbose options (can be comma-separated):"),
     cl::values(
         clEnumValN(Ice::IceV_Instructions, "inst", "Print basic instructions"),
         clEnumValN(Ice::IceV_Deleted, "del", "Include deleted instructions"),
@@ skipping 299 matching lines @@
     }
     Os->SetUnbuffered();
   }
 
   Ice::GlobalContext Ctx(Ls.get(), Os.get(), ELFStr.get(), VMask, TargetArch,
                          OptLevel, TestPrefix, Flags);
 
   Ice::TimerMarker T(Ice::TimerStack::TT_szmain, &Ctx);
 
   if (UseELFWriter) {
+    Ice::TimerMarker T1(Ice::TimerStack::TT_emit, &Ctx);
     Ctx.getObjectWriter()->writeInitialELFHeader();
   }
 
   int ErrorStatus = 0;
   if (BuildOnRead) {
     Ice::PNaClTranslator Translator(&Ctx, Flags);
     Translator.translate(IRFilename);
     ErrorStatus = Translator.getErrorStatus();
   } else if (ALLOW_LLVM_IR) {
     // Parse the input LLVM IR file into a module.
@@ skipping 11 matching lines @@
 
     Ice::Converter Converter(Mod, &Ctx, Flags);
     Converter.convertToIce();
     ErrorStatus = Converter.getErrorStatus();
   } else {
     *Ls << "Error: Build doesn't allow LLVM IR, "
         << "--build-on-read=0 not allowed\n";
     return GetReturnValue(1);
   }
   if (UseELFWriter) {
+    Ice::TimerMarker T1(Ice::TimerStack::TT_emit, &Ctx);
     Ctx.getObjectWriter()->writeNonUserSections();
   }
   if (SubzeroTimingEnabled)
     Ctx.dumpTimers();
   if (TimeEachFunction) {
     const bool DumpCumulative = false;
     Ctx.dumpTimers(Ice::GlobalContext::TSK_Funcs, DumpCumulative);
   }
   const bool FinalStats = true;
   Ctx.dumpStats("_FINAL_", FinalStats);
   return GetReturnValue(ErrorStatus);
 }