[turbofan] Add proper conversion operators for int32<->int64.

test/compiler-unittests/machine-operator-unittest.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/machine-operator.h"
+#include "src/compiler/operator-properties-inl.h"
+#include "test/compiler-unittests/compiler-unittests.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using testing::IsNull;
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+class MachineOperatorCommonTest : public CompilerTestWithParam<MachineType> {
+ public:
+  MachineOperatorCommonTest() : machine_(NULL) {}
+  virtual ~MachineOperatorCommonTest() { EXPECT_THAT(machine_, IsNull()); }
+
+  virtual void SetUp() V8_OVERRIDE {
+    CompilerTestWithParam::SetUp();
+    machine_ = new MachineOperatorBuilder(zone(), GetParam());
+  }
+
+  virtual void TearDown() V8_OVERRIDE {
+    delete machine_;
+    machine_ = NULL;
+    CompilerTestWithParam::TearDown();
+  }
+
+ protected:
+  MachineOperatorBuilder* machine() const { return machine_; }
+
+ private:
+  MachineOperatorBuilder* machine_;
+};
+
+
+TEST_P(MachineOperatorCommonTest, ChangeInt32ToInt64) {
+  Operator* op = machine()->ChangeInt32ToInt64();
+  EXPECT_EQ(1, OperatorProperties::GetValueInputCount(op));
+  EXPECT_EQ(1, OperatorProperties::GetTotalInputCount(op));
+  EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
+  EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
+  EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
+}
+
+
+TEST_P(MachineOperatorCommonTest, ChangeUint32ToUint64) {
+  Operator* op = machine()->ChangeUint32ToUint64();
+  EXPECT_EQ(1, OperatorProperties::GetValueInputCount(op));
+  EXPECT_EQ(1, OperatorProperties::GetTotalInputCount(op));
+  EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
+  EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
+  EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
+}
+
+
+TEST_P(MachineOperatorCommonTest, TruncateInt64ToInt32) {
+  Operator* op = machine()->TruncateInt64ToInt32();
+  EXPECT_EQ(1, OperatorProperties::GetValueInputCount(op));
+  EXPECT_EQ(1, OperatorProperties::GetTotalInputCount(op));
+  EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
+  EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
+  EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
+}
+
+
+INSTANTIATE_TEST_CASE_P(MachineOperatorTest, MachineOperatorCommonTest,
+                        ::testing::Values(kRepWord32, kRepWord64));
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8