[turbofan] Next step towards shared operators.

src/compiler/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 "src/test/test-utils.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 21 matching lines @@
 
  protected:
   MachineOperatorBuilder* machine() const { return machine_; }
 
  private:
   MachineOperatorBuilder* machine_;
 };
 
 
 TEST_P(MachineOperatorCommonTest, ChangeInt32ToInt64) {
-  Operator* op = machine()->ChangeInt32ToInt64();
+  const 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();
+  const 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, TruncateFloat64ToInt32) {
-  Operator* op = machine()->TruncateFloat64ToInt32();
+  const Operator* op = machine()->TruncateFloat64ToInt32();
   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();
+  const 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