Handle ARM "ret void" and function alignment with proper padding.

src/IceClFlags.h

 //===- subzero/src/IceClFlags.h - Cl Flags for translation ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares command line flags controlling translation.
@@ skipping 68 matching lines @@
 
   bool getPhiEdgeSplit() const { return PhiEdgeSplit; }
   void setPhiEdgeSplit(bool NewValue) { PhiEdgeSplit = NewValue; }
 
   bool shouldDoNopInsertion() const { return RandomNopInsertion; }
   void setShouldDoNopInsertion(bool NewValue) { RandomNopInsertion = NewValue; }
 
   bool shouldRandomizeRegAlloc() const { return RandomRegAlloc; }
   void setShouldRandomizeRegAlloc(bool NewValue) { RandomRegAlloc = NewValue; }
 
+  bool getSkipUnimplemented() const { return SkipUnimplemented; }
+  void setSkipUnimplemented(bool NewValue) { SkipUnimplemented = NewValue; }
+
   bool getSubzeroTimingEnabled() const { return SubzeroTimingEnabled; }
   void setSubzeroTimingEnabled(bool NewValue) {
     SubzeroTimingEnabled = NewValue;
   }
 
   bool getTimeEachFunction() const { return ALLOW_DUMP && TimeEachFunction; }
   void setTimeEachFunction(bool NewValue) { TimeEachFunction = NewValue; }
 
   bool getUseSandboxing() const { return UseSandboxing; }
   void setUseSandboxing(bool NewValue) { UseSandboxing = NewValue; }
@@ skipping 78 matching lines @@
   bool DecorateAsm;
   bool DisableInternal;
   bool DisableIRGeneration;
   bool DisableTranslation;
   bool DumpStats;
   bool FunctionSections;
   bool GenerateUnitTestMessages;
   bool PhiEdgeSplit;
   bool RandomNopInsertion;
   bool RandomRegAlloc;
+  bool SkipUnimplemented;
   bool SubzeroTimingEnabled;
   bool TimeEachFunction;
   bool UseSandboxing;
 
   OptLevel Opt;
   FileType OutFileType;
   int RandomMaxNopsPerInstruction;
   int RandomNopProbabilityAsPercentage;
   TargetArch TArch;
   TargetInstructionSet TInstrSet;
   VerboseMask VMask;
 
   IceString DefaultFunctionPrefix;
   IceString DefaultGlobalPrefix;
   IceString TestPrefix;
   IceString TimingFocusOn;
   IceString TranslateOnly;
   IceString VerboseFocusOn;
 
   size_t NumTranslationThreads; // 0 means completely sequential
   uint64_t RandomSeed;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECLFLAGS_H