[turbofan] Build s/NULL/nullptr/g and CHECK(x != nullptr) to CHECK_NOT_NULL(x).

src/compiler/x87/code-generator-x87.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 644 matching lines @@
     case kX87Lzcnt:
       __ Lzcnt(i.OutputRegister(), i.InputOperand(0));
       break;
     case kX87Popcnt:
       __ Popcnt(i.OutputRegister(), i.InputOperand(0));
       break;
     case kX87LoadFloat64Constant: {
       InstructionOperand* source = instr->InputAt(0);
       InstructionOperand* destination = instr->Output();
       DCHECK(source->IsConstant());
-      X87OperandConverter g(this, NULL);
+      X87OperandConverter g(this, nullptr);
       Constant src_constant = g.ToConstant(source);
 
       DCHECK_EQ(Constant::kFloat64, src_constant.type());
       uint64_t src = bit_cast<uint64_t>(src_constant.ToFloat64());
       uint32_t lower = static_cast<uint32_t>(src);
       uint32_t upper = static_cast<uint32_t>(src >> 32);
       if (destination->IsDoubleRegister()) {
         __ sub(esp, Immediate(kDoubleSize));
         __ mov(MemOperand(esp, 0), Immediate(lower));
         __ mov(MemOperand(esp, kInt32Size), Immediate(upper));
@@ skipping 1082 matching lines @@
   if (pop_count == 0) {
     __ ret(0);
   } else {
     __ Ret(pop_count * kPointerSize, ebx);
   }
 }
 
 
 void CodeGenerator::AssembleMove(InstructionOperand* source,
                                  InstructionOperand* destination) {
-  X87OperandConverter g(this, NULL);
+  X87OperandConverter g(this, nullptr);
   // Dispatch on the source and destination operand kinds.  Not all
   // combinations are possible.
   if (source->IsRegister()) {
     DCHECK(destination->IsRegister() || destination->IsStackSlot());
     Register src = g.ToRegister(source);
     Operand dst = g.ToOperand(destination);
     __ mov(dst, src);
   } else if (source->IsStackSlot()) {
     DCHECK(destination->IsRegister() || destination->IsStackSlot());
     Operand src = g.ToOperand(source);
@@ skipping 123 matching lines @@
       }
     }
   } else {
     UNREACHABLE();
   }
 }
 
 
 void CodeGenerator::AssembleSwap(InstructionOperand* source,
                                  InstructionOperand* destination) {
-  X87OperandConverter g(this, NULL);
+  X87OperandConverter g(this, nullptr);
   // Dispatch on the source and destination operand kinds.  Not all
   // combinations are possible.
   if (source->IsRegister() && destination->IsRegister()) {
     // Register-register.
     Register src = g.ToRegister(source);
     Register dst = g.ToRegister(destination);
     __ xchg(dst, src);
   } else if (source->IsRegister() && destination->IsStackSlot()) {
     // Register-memory.
     __ xchg(g.ToRegister(source), g.ToOperand(destination));
@@ skipping 75 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8