Simplify references to command line flags.

src/IceFixups.cpp

 //===- subzero/src/IceFixups.cpp - Implementation of Assembler Fixups -----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 40 matching lines @@
   Ostream &Str = Ctx->getStrEmit();
   Str << "\t.long ";
   std::string Symbol;
   if (isNullSymbol()) {
     Str << "__Sz_AbsoluteZero";
   } else {
     Symbol = symbol().toString();
     Str << Symbol;
     assert(!ValueIsSymbol);
     if (const auto *CR = llvm::dyn_cast<ConstantRelocatable>(ConstValue)) {
-      if (!Asm.fixupIsPCRel(kind()) &&
-          GlobalContext::getFlags().getUseNonsfi() &&
+      if (!Asm.fixupIsPCRel(kind()) && getFlags().getUseNonsfi() &&
           CR->getName().toString() != GlobalOffsetTable) {
         Str << "@GOTOFF";
       }
     }
   }
 
   assert(Asm.load<RelocOffsetT>(position()) == 0);
 
   RelocOffsetT Offset = offset();
   if (Offset != 0) {
@@ skipping 17 matching lines @@
 void AssemblerFixup::emitOffset(Assembler *Asm) const {
   Asm->store(position(), offset());
 }
 
 size_t AssemblerTextFixup::emit(GlobalContext *Ctx, const Assembler &) const {
   Ctx->getStrEmit() << Message << "\n";
   return NumBytes;
 }
 
 } // end of namespace Ice