Convert Linkage to use MachineSignature.

test/cctest/compiler/graph-builder-tester.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 "test/cctest/compiler/graph-builder-tester.h"
 #include "src/compiler/pipeline.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-MachineCallHelper::MachineCallHelper(Zone* zone,
-                                     MachineCallDescriptorBuilder* builder)
-    : CallHelper(zone->isolate()),
-      call_descriptor_builder_(builder),
+MachineCallHelper::MachineCallHelper(Zone* zone, MachineSignature* machine_sig)
+    : CallHelper(zone->isolate(), machine_sig),
       parameters_(NULL),
       graph_(NULL) {}
 
 
 void MachineCallHelper::InitParameters(GraphBuilder* builder,
                                        CommonOperatorBuilder* common) {
   DCHECK_EQ(NULL, parameters_);
   graph_ = builder->graph();
-  if (parameter_count() == 0) return;
-  parameters_ = graph_->zone()->NewArray<Node*>(parameter_count());
-  for (int i = 0; i < parameter_count(); ++i) {
+  int param_count = static_cast<int>(parameter_count());
+  if (param_count == 0) return;
+  parameters_ = graph_->zone()->NewArray<Node*>(param_count);
+  for (int i = 0; i < param_count; ++i) {
     parameters_[i] = builder->NewNode(common->Parameter(i), graph_->start());
   }
 }
 
 
 byte* MachineCallHelper::Generate() {
   DCHECK(parameter_count() == 0 || parameters_ != NULL);
   if (!Pipeline::SupportedBackend()) return NULL;
   if (code_.is_null()) {
     Zone* zone = graph_->zone();
     CompilationInfo info(zone->isolate(), zone);
-    Linkage linkage(&info, call_descriptor_builder_->BuildCallDescriptor(zone));
+    Linkage linkage(&info,
+                    Linkage::GetSimplifiedCDescriptor(zone, machine_sig_));
     Pipeline pipeline(&info);
     code_ = pipeline.GenerateCodeForMachineGraph(&linkage, graph_);
   }
   return code_.ToHandleChecked()->entry();
 }
 
 
-void MachineCallHelper::VerifyParameters(int parameter_count,
-                                         MachineType* parameter_types) {
-  CHECK_EQ(this->parameter_count(), parameter_count);
-  const MachineType* expected_types =
-      call_descriptor_builder_->parameter_types();
-  for (int i = 0; i < parameter_count; i++) {
-    CHECK_EQ(expected_types[i], parameter_types[i]);
-  }
-}
-
-
-Node* MachineCallHelper::Parameter(int offset) {
+Node* MachineCallHelper::Parameter(size_t index) {
   DCHECK_NE(NULL, parameters_);
-  DCHECK(0 <= offset && offset < parameter_count());
-  return parameters_[offset];
+  DCHECK(index < parameter_count());
+  return parameters_[index];
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8