[compiler] Add relocatable pointer constants for wasm memory references.

src/compiler/instruction-selector.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/compiler/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 859 matching lines @@
     case IrOpcode::kPhi: {
       MachineRepresentation rep = PhiRepresentationOf(node->op());
       MarkAsRepresentation(rep, node);
       return VisitPhi(node);
     }
     case IrOpcode::kProjection:
       return VisitProjection(node);
     case IrOpcode::kInt32Constant:
     case IrOpcode::kInt64Constant:
     case IrOpcode::kExternalConstant:
+    case IrOpcode::kRelocatableInt32Constant:
+    case IrOpcode::kRelocatableInt64Constant:
       return VisitConstant(node);
     case IrOpcode::kFloat32Constant:
       return MarkAsFloat32(node), VisitConstant(node);
     case IrOpcode::kFloat64Constant:
       return MarkAsFloat64(node), VisitConstant(node);
     case IrOpcode::kHeapConstant:
       return MarkAsReference(node), VisitConstant(node);
     case IrOpcode::kNumberConstant: {
       double value = OpParameter<double>(node);
       if (!IsSmiDouble(value)) MarkAsReference(node);
@@ skipping 895 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8