[turbofan] Add support for deferred code.

test/unittests/compiler/common-operator-unittest.cc

Index: test/unittests/compiler/common-operator-unittest.cc
diff --git a/test/unittests/compiler/common-operator-unittest.cc b/test/unittests/compiler/common-operator-unittest.cc
index 9fe3948c0b6820ec1d3c8a1667ec8d13b765dc52..fdf73c910f5866b465158753656dbe8d0faa8cee 100644
--- a/test/unittests/compiler/common-operator-unittest.cc
+++ b/test/unittests/compiler/common-operator-unittest.cc
@@ -47,7 +47,6 @@ const SharedOperator kSharedOperators[] = {
   }
     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),
@@ -160,6 +159,24 @@ const double kDoubleValues[] = {-std::numeric_limits<double>::infinity(),
 }  // 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);