[turbofan] Desugar lookup slot optimization in graph builder.

test/unittests/compiler/js-typed-lowering-unittest.cc

Index: test/unittests/compiler/js-typed-lowering-unittest.cc
diff --git a/test/unittests/compiler/js-typed-lowering-unittest.cc b/test/unittests/compiler/js-typed-lowering-unittest.cc
index 50d557d212afc00050c9f68a15442e58b0985be4..cfee0bd4d02d0ca7abc96c628de35a8cc171cf4b 100644
--- a/test/unittests/compiler/js-typed-lowering-unittest.cc
+++ b/test/unittests/compiler/js-typed-lowering-unittest.cc
@@ -929,76 +929,6 @@ TEST_F(JSTypedLoweringTest, JSLoadNamedStringLength) {
 
 
 // -----------------------------------------------------------------------------
-// JSLoadDynamicGlobal
-
-
-TEST_F(JSTypedLoweringTest, JSLoadDynamicGlobal) {
-  Node* const context = Parameter(Type::Any());
-  Node* const vector = UndefinedConstant();
-  Node* const frame_state = EmptyFrameState();
-  Node* const effect = graph()->start();
-  Node* const control = graph()->start();
-  Handle<String> name = factory()->object_string();
-  VectorSlotPair feedback;
-  for (int i = 0; i < DynamicGlobalAccess::kMaxCheckDepth; ++i) {
-    uint32_t bitset = 1 << i;  // Only single check.
-    Reduction r = Reduce(graph()->NewNode(
-        javascript()->LoadDynamicGlobal(name, bitset, feedback,
-                                        NOT_INSIDE_TYPEOF),
-        vector, context, context, frame_state, frame_state, effect, control));
-    ASSERT_TRUE(r.Changed());
-    EXPECT_THAT(
-        r.replacement(),
-        IsPhi(kMachAnyTagged, _, _,
-              IsMerge(
-                  IsIfTrue(IsBranch(
-                      IsReferenceEqual(
-                          Type::Tagged(),
-                          IsLoadContext(
-                              ContextAccess(i, Context::EXTENSION_INDEX, false),
-                              context),
-                          IsNumberConstant(BitEq(0.0))),
-                      control)),
-                  _)));
-  }
-}
-
-
-// -----------------------------------------------------------------------------
-// JSLoadDynamicContext
-
-
-TEST_F(JSTypedLoweringTest, JSLoadDynamicContext) {
-  Node* const context = Parameter(Type::Any());
-  Node* const frame_state = EmptyFrameState();
-  Node* const effect = graph()->start();
-  Node* const control = graph()->start();
-  Handle<String> name = factory()->object_string();
-  for (int i = 0; i < DynamicContextAccess::kMaxCheckDepth; ++i) {
-    uint32_t bitset = 1 << i;  // Only single check.
-    Reduction r = Reduce(
-        graph()->NewNode(javascript()->LoadDynamicContext(name, bitset, 23, 42),
-                         context, context, frame_state, effect, control));
-    ASSERT_TRUE(r.Changed());
-    EXPECT_THAT(
-        r.replacement(),
-        IsPhi(kMachAnyTagged,
-              IsLoadContext(ContextAccess(23, 42, false), context), _,
-              IsMerge(
-                  IsIfTrue(IsBranch(
-                      IsReferenceEqual(
-                          Type::Tagged(),
-                          IsLoadContext(
-                              ContextAccess(i, Context::EXTENSION_INDEX, false),
-                              context),
-                          IsNumberConstant(BitEq(0.0))),
-                      control)),
-                  _)));
-  }
-}
-
-
-// -----------------------------------------------------------------------------
 // JSAdd