Simplify references to command line flags.

src/IceOperand.h

 //===- subzero/src/IceOperand.h - High-level operands -----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 206 matching lines @@
     for (unsigned i = 0; i < sizeof(Value); ++i) {
       constexpr unsigned HexWidthChars = 2;
       unsigned Offset = sizeof(Value) - 1 - i;
       Str << llvm::format_hex_no_prefix(
           *(Offset + (const unsigned char *)&Value), HexWidthChars);
     }
     // For a floating-point value in DecorateAsm mode, also append the value in
     // human-readable sprintf form, changing '+' to 'p' and '-' to 'm' to
     // maintain valid asm labels.
     if (std::is_floating_point<PrimType>::value && !BuildDefs::minimal() &&
-        GlobalContext::getFlags().getDecorateAsm()) {
+        getFlags().getDecorateAsm()) {
       char Buf[30];
       snprintf(Buf, llvm::array_lengthof(Buf), "$%g", (double)Value);
       for (unsigned i = 0; i < llvm::array_lengthof(Buf) && Buf[i]; ++i) {
         if (Buf[i] == '-')
           Buf[i] = 'm';
         else if (Buf[i] == '+')
           Buf[i] = 'p';
       }
       Str << Buf;
     }
@@ skipping 729 matching lines @@
 private:
   const Cfg *Func;
   MetadataKind Kind;
   CfgVector<VariableTracking> Metadata;
   const static InstDefList NoDefinitions;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEOPERAND_H