eliminate code related to --no-ir-gen

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.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 52 matching lines @@
   void setDecorateAsm(bool NewValue) { DecorateAsm = NewValue; }
 
   bool getDisableHybridAssembly() const { return DisableHybridAssembly; }
   void setDisableHybridAssembly(bool NewValue) {
     DisableHybridAssembly = NewValue;
   }
 
   bool getDisableInternal() const { return DisableInternal; }
   void setDisableInternal(bool NewValue) { DisableInternal = NewValue; }
 
-  bool getDisableIRGeneration() const {
-    return BuildDefs::disableIrGen() && DisableIRGeneration;
-  }
-  void setDisableIRGeneration(bool NewValue) { DisableIRGeneration = NewValue; }
-
   bool getDisableTranslation() const { return DisableTranslation; }
   void setDisableTranslation(bool NewValue) { DisableTranslation = NewValue; }
 
   bool getDumpStats() const { return BuildDefs::dump() && DumpStats; }
   void setDumpStats(bool NewValue) { DumpStats = NewValue; }
 
   bool getEnableBlockProfile() const { return EnableBlockProfile; }
   void setEnableBlockProfile(bool NewValue) { EnableBlockProfile = NewValue; }
 
   bool getForceMemIntrinOpt() const { return ForceMemIntrinOpt; }
@@ skipping 212 matching lines @@
   IceString TranslateOnly;
   IceString VerboseFocusOn;
 
   size_t NumTranslationThreads; // 0 means completely sequential
   uint64_t RandomSeed;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECLFLAGS_H