Improve use of CfgLocalAllocator and introduce containers that use it.

src/IceTargetLoweringX8632.cpp

 //===- subzero/src/IceTargetLoweringX8632.cpp - x86-32 lowering -----------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 98 matching lines @@
   // that the left-most argument ends up on the top of the stack at the lowest
   // memory address.
   //
   // * Stack arguments of vector type are aligned to start at the next highest
   // multiple of 16 bytes. Other stack arguments are aligned to 4 bytes.
   //
   // This intends to match the section "IA-32 Function Calling Convention" of
   // the document "OS X ABI Function Call Guide" by Apple.
   NeedsStackAlignment = true;
 
-  using OperandList = std::vector<Operand *>;
   OperandList XmmArgs;
   OperandList StackArgs, StackArgLocations;
   uint32_t ParameterAreaSizeBytes = 0;
 
   // Classify each argument operand according to the location where the
   // argument is passed.
   for (SizeT i = 0, NumArgs = Instr->getNumArgs(); i < NumArgs; ++i) {
     Operand *Arg = Instr->getArg(i);
     Type Ty = Arg->getType();
     // The PNaCl ABI requires the width of arguments to be at least 32 bits.
@@ skipping 803 matching lines @@
 // case the high-level table has extra entries.
 #define X(tag, sizeLog2, align, elts, elty, str)                               \
   static_assert(_table1_##tag == _table2_##tag,                                \
                 "Inconsistency between ICETYPEX8632_TABLE and ICETYPE_TABLE");
 ICETYPE_TABLE
 #undef X
 } // end of namespace dummy3
 } // end of anonymous namespace
 
 } // end of namespace Ice