Subzero: Use a setcc sequence for better icmp lowering.

src/IceTargetLoweringX8632.h

 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the TargetLoweringX8632 class, which
@@ skipping 397 matching lines @@
   }
   void _rol(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Rol::create(Func, Dest, Src0));
   }
   void _sar(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Sar::create(Func, Dest, Src0));
   }
   void _sbb(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Sbb::create(Func, Dest, Src0));
   }
+  void _setcc(Variable *Dest, CondX86::BrCond Condition) {
+    Context.insert(InstX8632Setcc::create(Func, Dest, Condition));
+  }
   void _shl(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Shl::create(Func, Dest, Src0));
   }
   void _shld(Variable *Dest, Variable *Src0, Variable *Src1) {
     Context.insert(InstX8632Shld::create(Func, Dest, Src0, Src1));
   }
   void _shr(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Shr::create(Func, Dest, Src0));
   }
   void _shrd(Variable *Dest, Variable *Src0, Variable *Src1) {
@@ skipping 93 matching lines @@
 };
 
 template <> void ConstantInteger32::emit(GlobalContext *Ctx) const;
 template <> void ConstantInteger64::emit(GlobalContext *Ctx) const;
 template <> void ConstantFloat::emit(GlobalContext *Ctx) const;
 template <> void ConstantDouble::emit(GlobalContext *Ctx) const;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H