[turbofan] Don't allocate UnallocatedOperands in Zone memory during instruction selection

test/cctest/compiler/test-instruction.cc

 // Copyright 2014 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/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/compiler/code-generator.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
@@ skipping 278 matching lines @@
   Zone zone;
 
   {
     TestInstr* i = TestInstr::New(&zone, 101);
     CHECK_EQ(0, static_cast<int>(i->OutputCount()));
     CHECK_EQ(0, static_cast<int>(i->InputCount()));
     CHECK_EQ(0, static_cast<int>(i->TempCount()));
   }
 
   int vreg = 15;
-  InstructionOperand* outputs[] = {
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg)};
+  InstructionOperand outputs[] = {
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg)};
 
-  InstructionOperand* inputs[] = {
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg)};
+  InstructionOperand inputs[] = {
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg)};
 
-  InstructionOperand* temps[] = {
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
-      new (&zone)
-          UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg)};
+  InstructionOperand temps[] = {
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg),
+      UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg)};
 
   for (size_t i = 0; i < arraysize(outputs); i++) {
     for (size_t j = 0; j < arraysize(inputs); j++) {
       for (size_t k = 0; k < arraysize(temps); k++) {
         TestInstr* m =
             TestInstr::New(&zone, 101, i, outputs, j, inputs, k, temps);
         CHECK(i == m->OutputCount());
         CHECK(j == m->InputCount());
         CHECK(k == m->TempCount());
 
         for (size_t z = 0; z < i; z++) {
-          CHECK(outputs[z]->Equals(m->OutputAt(z)));
+          CHECK(outputs[z].Equals(m->OutputAt(z)));
         }
 
         for (size_t z = 0; z < j; z++) {
-          CHECK(inputs[z]->Equals(m->InputAt(z)));
+          CHECK(inputs[z].Equals(m->InputAt(z)));
         }
 
         for (size_t z = 0; z < k; z++) {
-          CHECK(temps[z]->Equals(m->TempAt(z)));
+          CHECK(temps[z].Equals(m->TempAt(z)));
         }
       }
     }
   }
 }