Subzero: Try to fix warnings and errors in the Windows build.

src/IceInstX8632.cpp

 //===- subzero/src/IceInstX8632.cpp - X86-32 instruction implementation ---===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the InstX8632 and OperandX8632 classes,
@@ skipping 576 matching lines @@
   getSrc(1)->emit(Func);
   Str << "\n";
 }
 
 template <> void InstX8632Imul::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 2);
   if (getDest()->getType() == IceType_i8) {
     // The 8-bit version of imul only allows the form "imul r/m8".
     Variable *Src0 = llvm::dyn_cast<Variable>(getSrc(0));
+    (void)Src0;
     assert(Src0 && Src0->getRegNum() == TargetX8632::Reg_eax);
     Str << "\timul\t";
     getSrc(1)->emit(Func);
     Str << "\n";
   } else if (llvm::isa<Constant>(getSrc(1))) {
     Str << "\timul\t";
     getDest()->emit(Func);
     Str << ", ";
     getSrc(0)->emit(Func);
     Str << ", ";
@@ skipping 26 matching lines @@
 void InstX8632Shld::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 3);
   assert(getDest() == getSrc(0));
   Str << "\tshld\t";
   getDest()->emit(Func);
   Str << ", ";
   getSrc(1)->emit(Func);
   Str << ", ";
   if (Variable *ShiftReg = llvm::dyn_cast<Variable>(getSrc(2))) {
+    (void)ShiftReg;
     assert(ShiftReg->getRegNum() == TargetX8632::Reg_ecx);
     Str << "cl";
   } else {
     getSrc(2)->emit(Func);
   }
   Str << "\n";
 }
 
 void InstX8632Shld::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   dumpDest(Func);
   Str << " = shld." << getDest()->getType() << " ";
   dumpSources(Func);
 }
 
 void InstX8632Shrd::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 3);
   assert(getDest() == getSrc(0));
   Str << "\tshrd\t";
   getDest()->emit(Func);
   Str << ", ";
   getSrc(1)->emit(Func);
   Str << ", ";
   if (Variable *ShiftReg = llvm::dyn_cast<Variable>(getSrc(2))) {
+    (void)ShiftReg;
     assert(ShiftReg->getRegNum() == TargetX8632::Reg_ecx);
     Str << "cl";
   } else {
     getSrc(2)->emit(Func);
   }
   Str << "\n";
 }
 
 void InstX8632Shrd::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
@@ skipping 730 matching lines @@
   default:
     Str << "???";
     break;
   }
   Str << "(";
   Var->dump(Func);
   Str << ")";
 }
 
 } // end of namespace Ice