Subzero: Convert NULL->nullptr.

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 274 matching lines @@
   void _imul(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Imul::create(Func, Dest, Src0));
   }
   void _insertps(Variable *Dest, Operand *Src0, Operand *Src1) {
     Context.insert(InstX8632Insertps::create(Func, Dest, Src0, Src1));
   }
   void _lea(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Lea::create(Func, Dest, Src0));
   }
   void _mfence() { Context.insert(InstX8632Mfence::create(Func)); }
-  // If Dest=NULL is passed in, then a new variable is created, marked
-  // as infinite register allocation weight, and returned through the
-  // in/out Dest argument.
+  // If Dest=nullptr is passed in, then a new variable is created,
+  // marked as infinite register allocation weight, and returned
+  // through the in/out Dest argument.
   void _mov(Variable *&Dest, Operand *Src0,
             int32_t RegNum = Variable::NoRegister) {
-    if (Dest == NULL)
+    if (Dest == nullptr)
       Dest = makeReg(Src0->getType(), RegNum);
     Context.insert(InstX8632Mov::create(Func, Dest, Src0));
   }
   void _mov_nonkillable(Variable *Dest, Operand *Src0) {
     Inst *NewInst = InstX8632Mov::create(Func, Dest, Src0);
     NewInst->setDestNonKillable();
     Context.insert(NewInst);
   }
   void _movd(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Movd::create(Func, Dest, Src0));
@@ skipping 78 matching lines @@
   }
   void _psub(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Psub::create(Func, Dest, Src0));
   }
   void _push(Variable *Src0) {
     Context.insert(InstX8632Push::create(Func, Src0));
   }
   void _pxor(Variable *Dest, Operand *Src0) {
     Context.insert(InstX8632Pxor::create(Func, Dest, Src0));
   }
-  void _ret(Variable *Src0 = NULL) {
+  void _ret(Variable *Src0 = nullptr) {
     Context.insert(InstX8632Ret::create(Func, Src0));
   }
   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));
@@ skipping 99 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