Adding support for multiple returns in compiled functions.

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 66eb140d27291d265e6df921938a6ae21d94297d..9f28ec65b932bfe5cb79a5b21d936caf0faf036b 100644
--- a/test/unittests/compiler/common-operator-unittest.cc
+++ b/test/unittests/compiler/common-operator-unittest.cc
@@ -53,7 +53,6 @@ const SharedOperator kSharedOperators[] = {
     SHARED(IfFalse, Operator::kKontrol, 0, 0, 1, 0, 0, 1),
     SHARED(IfSuccess, Operator::kKontrol, 0, 0, 1, 0, 0, 1),
     SHARED(Throw, Operator::kKontrol, 1, 1, 1, 0, 0, 1),
-    SHARED(Return, Operator::kNoThrow, 1, 1, 1, 0, 0, 1),
     SHARED(Terminate, Operator::kKontrol, 0, 1, 1, 0, 0, 1)
 #undef SHARED
 };
@@ -188,6 +187,23 @@ TEST_F(CommonOperatorTest, End) {
 }
 
 
+TEST_F(CommonOperatorTest, Return) {
+  TRACED_FOREACH(int, input_count, kArguments) {
+    const Operator* const op = common()->Return(input_count);
+    EXPECT_EQ(IrOpcode::kReturn, op->opcode());
+    EXPECT_EQ(Operator::kKontrol, op->properties());
+    EXPECT_EQ(0, op->ValueInputCount());
+    EXPECT_EQ(0, op->EffectInputCount());
+    EXPECT_EQ(input_count, static_cast<uint32_t>(op->ControlInputCount()));
+    EXPECT_EQ(input_count, static_cast<uint32_t>(
+                               OperatorProperties::GetTotalInputCount(op)));
+    EXPECT_EQ(0, op->ValueOutputCount());
+    EXPECT_EQ(0, op->EffectOutputCount());
+    EXPECT_EQ(0, op->ControlOutputCount());
+  }
+}
+
+
 TEST_F(CommonOperatorTest, Branch) {
   TRACED_FOREACH(BranchHint, hint, kBranchHints) {
     const Operator* const op = common()->Branch(hint);