[turbofan] Make MachineType a pair of enums.

test/cctest/compiler/test-basic-block-profiler.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/basic-block-profiler.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/compiler/codegen-tester.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 class BasicBlockProfilerTest : public RawMachineAssemblerTester<int32_t> {
  public:
-  BasicBlockProfilerTest() : RawMachineAssemblerTester<int32_t>(kMachInt32) {
+  BasicBlockProfilerTest()
+      : RawMachineAssemblerTester<int32_t>(MachineType::Int32()) {
     FLAG_turbo_profiling = true;
   }
 
   void ResetCounts() { isolate()->basic_block_profiler()->ResetCounts(); }
 
   void Expect(size_t size, uint32_t* expected) {
     CHECK(isolate()->basic_block_profiler());
     const BasicBlockProfiler::DataList* l =
         isolate()->basic_block_profiler()->data_list();
     CHECK_NE(0, static_cast<int>(l->size()));
@@ skipping 48 matching lines @@
 
 
 TEST(ProfileLoop) {
   BasicBlockProfilerTest m;
 
   RawMachineLabel header, body, end;
   Node* one = m.Int32Constant(1);
   m.Goto(&header);
 
   m.Bind(&header);
-  Node* count = m.Phi(kMachInt32, m.Parameter(0), one);
+  Node* count = m.Phi(MachineRepresentation::kWord32, m.Parameter(0), one);
   m.Branch(count, &body, &end);
 
   m.Bind(&body);
   count->ReplaceInput(1, m.Int32Sub(count, one));
   m.Goto(&header);
 
   m.Bind(&end);
   m.Return(one);
 
   m.GenerateCode();
   {
     uint32_t expected[] = {0, 0, 0, 0};
     m.Expect(arraysize(expected), expected);
   }
 
   uint32_t runs[] = {0, 1, 500, 10000};
   for (size_t i = 0; i < arraysize(runs); i++) {
     m.ResetCounts();
     CHECK_EQ(1, m.Call(static_cast<int>(runs[i])));
     uint32_t expected[] = {1, runs[i] + 1, runs[i], 1};
     m.Expect(arraysize(expected), expected);
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8