Write out global initializers and data rel directly to ELF file.

src/IceTranslator.cpp

 //===- subzero/src/IceTranslator.cpp - ICE to machine code ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines the general driver class for translating ICE to
@@ skipping 85 matching lines @@
 
   Ctx->setVerbose(OldVerboseMask);
 }
 
 void Translator::emitConstants() {
   if (!Ctx->getFlags().DisableTranslation && Func)
     Func->getTarget()->emitConstants();
 }
 
 void Translator::lowerGlobals(
-    const VariableDeclarationListType &VariableDeclarations) {
+    const VariableDeclarationList &VariableDeclarations) {
+  TimerMarker T(TimerStack::TT_emitGlobalInitializers, Ctx);
   std::unique_ptr<TargetGlobalInitLowering> GlobalLowering(
       TargetGlobalInitLowering::createLowering(Ctx->getTargetArch(), Ctx));
   bool DisableTranslation = Ctx->getFlags().DisableTranslation;
   const bool DumpGlobalVariables =
       ALLOW_DUMP && Ctx->isVerbose() && Ctx->getFlags().VerboseFocusOn.empty();
-  OstreamLocker L(Ctx);
-  Ostream &Stream = Ctx->getStrDump();
-  const IceString &TranslateOnly = Ctx->getFlags().TranslateOnly;
-  for (const Ice::VariableDeclaration *Global : VariableDeclarations) {
-    if (DumpGlobalVariables)
-      Global->dump(getContext(), Stream);
-    if (!DisableTranslation &&
-        matchSymbolName(Global->getName(), TranslateOnly))
-      GlobalLowering->lower(*Global);
+  if (Ctx->getFlags().UseELFWriter) {
+    // Dump all globals if requested, but don't interleave w/ emission.
+    if (DumpGlobalVariables) {
+      OstreamLocker L(Ctx);
+      Ostream &Stream = Ctx->getStrDump();
+      for (const Ice::VariableDeclaration *Global : VariableDeclarations) {
+        Global->dump(getContext(), Stream);
+      }
+    }
+    GlobalLowering->lowerGlobalsELF(VariableDeclarations);
+  } else {
+    const IceString &TranslateOnly = Ctx->getFlags().TranslateOnly;
+    OstreamLocker L(Ctx);
+    Ostream &Stream = Ctx->getStrDump();
+    for (const Ice::VariableDeclaration *Global : VariableDeclarations) {
+      // Interleave dump output w/ emit output.
+      if (DumpGlobalVariables)
+        Global->dump(getContext(), Stream);
+      if (!DisableTranslation &&
+          matchSymbolName(Global->getName(), TranslateOnly))
+        GlobalLowering->lower(*Global);
+    }
   }
   GlobalLowering.reset();
 }