Convert Linkage to use MachineSignature.

src/compiler/raw-machine-assembler.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/pipeline.h"
 #include "src/compiler/raw-machine-assembler.h"
 #include "src/compiler/scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-RawMachineAssembler::RawMachineAssembler(
-    Graph* graph, MachineCallDescriptorBuilder* call_descriptor_builder,
-    MachineType word)
+RawMachineAssembler::RawMachineAssembler(Graph* graph,
+                                         MachineSignature* machine_sig,
+                                         MachineType word)
     : GraphBuilder(graph),
       schedule_(new (zone()) Schedule(zone())),
       machine_(zone(), word),
       common_(zone()),
-      call_descriptor_builder_(call_descriptor_builder),
+      machine_sig_(machine_sig),
+      call_descriptor_(
+          Linkage::GetSimplifiedCDescriptor(graph->zone(), machine_sig)),
       parameters_(NULL),
       exit_label_(schedule()->end()),
       current_block_(schedule()->start()) {
   Node* s = graph->NewNode(common_.Start(parameter_count()));
   graph->SetStart(s);
   if (parameter_count() == 0) return;
   parameters_ = zone()->NewArray<Node*>(parameter_count());
   for (int i = 0; i < parameter_count(); ++i) {
     parameters_[i] = NewNode(common()->Parameter(i), graph->start());
   }
@@ skipping 57 matching lines @@
       d, 1, CallDescriptor::kNeedsFrameState, zone());
   Node* stub_code = HeapConstant(stub.GetCode());
   Node* call = graph()->NewNode(common()->Call(desc), stub_code, function,
                                 receiver, context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
 Node* RawMachineAssembler::CallJS0(Node* function, Node* receiver,
-                                   Node* frame_state) {
+                                   Node* context, Node* frame_state) {
   CallDescriptor* descriptor = Linkage::GetJSCallDescriptor(1, zone());
   Node* call = graph()->NewNode(common()->Call(descriptor), function, receiver,
-                                frame_state);
+                                context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
 Node* RawMachineAssembler::CallRuntime1(Runtime::FunctionId function,
-                                        Node* arg0, Node* frame_state) {
+                                        Node* arg0, Node* context,
+                                        Node* frame_state) {
   CallDescriptor* descriptor = Linkage::GetRuntimeCallDescriptor(
       function, 1, Operator::kNoProperties, CallDescriptor::kNeedsFrameState,
       zone());
 
   Node* centry = HeapConstant(CEntryStub(isolate(), 1).GetCode());
   Node* ref = NewNode(
       common()->ExternalConstant(ExternalReference(function, isolate())));
   Node* arity = Int32Constant(1);
-  Node* context = Parameter(1);
 
   Node* call = graph()->NewNode(common()->Call(descriptor), centry, arg0, ref,
                                 arity, context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
 void RawMachineAssembler::Bind(Label* label) {
   DCHECK(current_block_ == NULL);
@@ skipping 28 matching lines @@
   Node* node = graph()->NewNode(op, input_count, inputs);
   BasicBlock* block = op->opcode() == IrOpcode::kParameter ? schedule()->start()
                                                            : CurrentBlock();
   schedule()->AddNode(block, node);
   return node;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8