[turbofan] Support lowering of ChangeFloat64ToTagged/ChangeTaggedToInt32.

test/compiler-unittests/graph-unittest.h

Index: test/compiler-unittests/graph-unittest.h
diff --git a/test/compiler-unittests/graph-unittest.h b/test/compiler-unittests/graph-unittest.h
index 37409198b56f36e1cacc4c6b73581415ba6b48f2..792289cf2f9c398f534e5f776f29de69a23bc049 100644
--- a/test/compiler-unittests/graph-unittest.h
+++ b/test/compiler-unittests/graph-unittest.h
@@ -20,6 +20,9 @@ class PrintableUnique;
 
 namespace compiler {
 
+using ::testing::Matcher;
+
+
 class GraphTest : public CommonOperatorTest {
  public:
   explicit GraphTest(int parameters = 1);
@@ -28,13 +31,14 @@ class GraphTest : public CommonOperatorTest {
  protected:
   Graph* graph() { return &graph_; }
 
+  Matcher<Node*> IsAllocateHeapNumber(const Matcher<Node*>& effect_matcher,
+                                      const Matcher<Node*>& control_matcher);
+
  private:
   Graph graph_;
 };
 
 
-using ::testing::Matcher;
-
 Matcher<Node*> IsBranch(const Matcher<Node*>& value_matcher,
                         const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsMerge(const Matcher<Node*>& control0_matcher,
@@ -42,6 +46,7 @@ Matcher<Node*> IsMerge(const Matcher<Node*>& control0_matcher,
 Matcher<Node*> IsIfTrue(const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsIfFalse(const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsControlEffect(const Matcher<Node*>& control_matcher);
+Matcher<Node*> IsValueEffect(const Matcher<Node*>& value_matcher);
 Matcher<Node*> IsFinish(const Matcher<Node*>& value_matcher,
                         const Matcher<Node*>& effect_matcher);
 Matcher<Node*> IsExternalConstant(
@@ -93,6 +98,7 @@ Matcher<Node*> IsWord64Equal(const Matcher<Node*>& lhs_matcher,
 Matcher<Node*> IsInt32AddWithOverflow(const Matcher<Node*>& lhs_matcher,
                                       const Matcher<Node*>& rhs_matcher);
 Matcher<Node*> IsConvertInt64ToInt32(const Matcher<Node*>& input_matcher);
+Matcher<Node*> IsChangeFloat64ToInt32(const Matcher<Node*>& input_matcher);
 Matcher<Node*> IsChangeInt32ToFloat64(const Matcher<Node*>& input_matcher);
 
 }  //  namespace compiler