Simplify references to command line flags.

src/IceOperand.cpp

 //===- subzero/src/IceOperand.cpp - High-level operand implementation -----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 625 matching lines @@
     Str << "Inf";
   else
     Str << W.getWeight();
   return Str;
 }
 
 // =========== Immediate Randomization and Pooling routines ==============
 // Specialization of the template member function for ConstantInteger32
 // TODO(stichnot): try to move this specialization into a target-specific file.
 template <> bool ConstantInteger32::shouldBeRandomizedOrPooled() const {
-  uint32_t Threshold =
-      GlobalContext::getFlags().getRandomizeAndPoolImmediatesThreshold();
-  if (GlobalContext::getFlags().getRandomizeAndPoolImmediatesOption() ==
-      RPI_None)
+  uint32_t Threshold = getFlags().getRandomizeAndPoolImmediatesThreshold();
+  if (getFlags().getRandomizeAndPoolImmediatesOption() == RPI_None)
     return false;
   if (getType() != IceType_i32 && getType() != IceType_i16 &&
       getType() != IceType_i8)
     return false;
   // The Following checks if the signed representation of Value is between
   // -Threshold/2 and +Threshold/2
   bool largerThanThreshold = Threshold / 2 + Value >= Threshold;
   return largerThanThreshold;
 }
 
 } // end of namespace Ice