Merge fixed alloca stack adjustments into the prolog

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 469 matching lines @@
 }
 
 template <> void ConstantDouble::emit(TargetLowering *Target) const {
   Target->emit(this);
 }
 
 void ConstantRelocatable::emit(TargetLowering *Target) const {
   Target->emit(this);
 }
 
-void ConstantRelocatable::emitWithoutPrefix(TargetLowering *Target) const {
+void ConstantRelocatable::emitWithoutPrefix(
+    const TargetLowering *Target) const {
   Target->emitWithoutPrefix(this);
 }
 
 void ConstantRelocatable::dump(const Cfg *Func, Ostream &Str) const {
   if (!BuildDefs::dump())
     return;
   Str << "@";
   if (Func && !SuppressMangling) {
     Str << Func->getContext()->mangleName(Name);
   } else {
@@ skipping 45 matching lines @@
   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