[turbofan] Add support for deferred code.

test/unittests/compiler/common-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/common-operator.h"
 
 #include <limits>
 
 #include "src/compiler/operator-properties-inl.h"
 #include "test/unittests/test-utils.h"
@@ skipping 29 matching lines @@
 const SharedOperator kSharedOperators[] = {
 #define SHARED(Name, properties, value_input_count, effect_input_count,        \
                control_input_count, effect_output_count, control_output_count) \
   {                                                                            \
     &CommonOperatorBuilder::Name, IrOpcode::k##Name, properties,               \
         value_input_count, effect_input_count, control_input_count,            \
         effect_output_count, control_output_count                              \
   }
     SHARED(Dead, Operator::kFoldable, 0, 0, 0, 0, 1),
     SHARED(End, Operator::kFoldable, 0, 0, 1, 0, 0),
-    SHARED(Branch, Operator::kFoldable, 1, 0, 1, 0, 2),
     SHARED(IfTrue, Operator::kFoldable, 0, 0, 1, 0, 1),
     SHARED(IfFalse, Operator::kFoldable, 0, 0, 1, 0, 1),
     SHARED(Throw, Operator::kFoldable, 1, 0, 1, 0, 1),
     SHARED(Return, Operator::kNoProperties, 1, 1, 1, 1, 1)
 #undef SHARED
 };
 
 
 class CommonSharedOperatorTest
     : public TestWithZone,
@@ skipping 92 matching lines @@
                                 0.0,
                                 1.0,
                                 std::numeric_limits<double>::max(),
                                 std::numeric_limits<double>::infinity(),
                                 std::numeric_limits<double>::quiet_NaN(),
                                 std::numeric_limits<double>::signaling_NaN()};
 
 }  // namespace
 
 
+TEST_F(CommonOperatorTest, Branch) {
+  static const BranchHint kHints[] = {BranchHint::kNone, BranchHint::kTrue,
+                                      BranchHint::kFalse};
+  TRACED_FOREACH(BranchHint, hint, kHints) {
+    const Operator* const op = common()->Branch(hint);
+    EXPECT_EQ(IrOpcode::kBranch, op->opcode());
+    EXPECT_EQ(Operator::kFoldable, op->properties());
+    EXPECT_EQ(1, OperatorProperties::GetValueInputCount(op));
+    EXPECT_EQ(0, OperatorProperties::GetEffectInputCount(op));
+    EXPECT_EQ(1, OperatorProperties::GetControlInputCount(op));
+    EXPECT_EQ(2, OperatorProperties::GetTotalInputCount(op));
+    EXPECT_EQ(0, OperatorProperties::GetValueOutputCount(op));
+    EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
+    EXPECT_EQ(2, OperatorProperties::GetControlOutputCount(op));
+  }
+}
+
+
 TEST_F(CommonOperatorTest, Float32Constant) {
   TRACED_FOREACH(float, value, kFloatValues) {
     const Operator* op = common()->Float32Constant(value);
     EXPECT_PRED2(base::bit_equal_to<float>(), value, OpParameter<float>(op));
     EXPECT_EQ(0, OperatorProperties::GetValueInputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetTotalInputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
     EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
   }
@@ skipping 70 matching lines @@
     EXPECT_EQ(arguments + 1, OperatorProperties::GetTotalInputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
     EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8