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

src/assembler_ia32.cpp

 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32  -------------===//
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===----------------------------------------------------------------------===//
 //
 //                        The Subzero Code Generator
@@ skipping 25 matching lines @@
   for (const Label *Label : CfgNodeLabels) {
     Label->FinalCheck();
   }
   for (const Label *Label : LocalLabels) {
     Label->FinalCheck();
   }
 #endif
 }
 
 void AssemblerX86::alignFunction() {
-  intptr_t Pos = buffer_.GetPosition();
   SizeT Align = 1 << getBundleAlignLog2Bytes();
-  intptr_t Mod = Pos & (Align - 1);
-  if (Mod == 0) {
-    return;
-  }
-  SizeT BytesNeeded = Align - Mod;
+  SizeT BytesNeeded = Utils::OffsetToAlignment(buffer_.GetPosition(), Align);
   const SizeT HltSize = 1;
   while (BytesNeeded > 0) {
     hlt();
     BytesNeeded -= HltSize;
   }
-  assert((buffer_.GetPosition() & (Align - 1)) == 0);
 }
 
 Label *AssemblerX86::GetOrCreateLabel(SizeT Number, LabelVector &Labels) {
   Label *L = nullptr;
   if (Number == Labels.size()) {
     L = new (this->Allocate<Label>()) Label();
     Labels.push_back(L);
     return L;
   }
   if (Number > Labels.size()) {
@@ skipping 2432 matching lines @@
   assert(shifter == RegX8632::Encoded_Reg_ecx);
   (void)shifter;
   if (Ty == IceType_i16)
     EmitOperandSizeOverride();
   EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3);
   EmitOperand(rm, operand);
 }
 
 } // end of namespace x86
 } // end of namespace Ice