Add MachineSignature, which is an encapsulation of the machine types for parameters and return valu…

test/cctest/compiler/test-structured-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/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/base/utils/random-number-generator.h"
 #include "src/compiler/structured-machine-assembler.h"
 #include "test/cctest/compiler/codegen-tester.h"
@@ skipping 860 matching lines @@
   }
   m.Return(var.Get());
 
   CHECK_EQ(constant + 4, m.Call());
 }
 
 
 class QuicksortHelper : public StructuredMachineAssemblerTester<int32_t> {
  public:
   QuicksortHelper()
-      : StructuredMachineAssemblerTester<int32_t>(
-            MachineOperatorBuilder::pointer_rep(), kMachInt32,
-            MachineOperatorBuilder::pointer_rep(), kMachInt32),
+      : StructuredMachineAssemblerTester<int32_t>(kMachPtr, kMachInt32,
+                                                  kMachPtr, kMachInt32),
         input_(NULL),
         stack_limit_(NULL),
         one_(Int32Constant(1)),
         stack_frame_size_(Int32Constant(kFrameVariables * 4)),
         left_offset_(Int32Constant(0 * 4)),
         right_offset_(Int32Constant(1 * 4)) {
     Build();
   }
 
   int32_t DoCall(int32_t* input, int32_t input_length) {
@@ skipping 152 matching lines @@
   for (int i = 0; i < 10; i++) {
     IfBuilder b(&m);
     b.If(m.Int32Constant(0)).Then();
     m.NewVariable(m.Int32Constant(0));
   }
   m.Return(m.Int32Constant(0));
   CHECK_EQ(0, m.Call());
 }
 
 #endif