Remove strong mode support from property loads.

test/unittests/compiler/js-typed-lowering-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/code-factory.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 582 matching lines @@
 // JSLoadProperty
 
 
 TEST_F(JSTypedLoweringTest, JSLoadPropertyFromExternalTypedArray) {
   const size_t kLength = 17;
   double backing_store[kLength];
   Handle<JSArrayBuffer> buffer =
       NewArrayBuffer(backing_store, sizeof(backing_store));
   VectorSlotPair feedback;
   TRACED_FOREACH(ExternalArrayType, type, kExternalArrayTypes) {
-    TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) {
-      Handle<JSTypedArray> array =
-          factory()->NewJSTypedArray(type, buffer, 0, kLength);
-      int const element_size = static_cast<int>(array->element_size());
+    Handle<JSTypedArray> array =
+        factory()->NewJSTypedArray(type, buffer, 0, kLength);
+    int const element_size = static_cast<int>(array->element_size());
 
-      Node* key = Parameter(
-          Type::Range(kMinInt / element_size, kMaxInt / element_size, zone()));
-      Node* base = HeapConstant(array);
-      Node* vector = UndefinedConstant();
-      Node* context = UndefinedConstant();
-      Node* effect = graph()->start();
-      Node* control = graph()->start();
-      Reduction r = Reduce(
-          graph()->NewNode(javascript()->LoadProperty(language_mode, feedback),
-                           base, key, vector, context, EmptyFrameState(),
-                           EmptyFrameState(), effect, control));
+    Node* key = Parameter(
+        Type::Range(kMinInt / element_size, kMaxInt / element_size, zone()));
+    Node* base = HeapConstant(array);
+    Node* vector = UndefinedConstant();
+    Node* context = UndefinedConstant();
+    Node* effect = graph()->start();
+    Node* control = graph()->start();
+    Reduction r = Reduce(graph()->NewNode(
+        javascript()->LoadProperty(feedback), base, key, vector, context,
+        EmptyFrameState(), EmptyFrameState(), effect, control));
 
-      Matcher<Node*> offset_matcher =
-          element_size == 1
-              ? key
-              : IsWord32Shl(key, IsInt32Constant(WhichPowerOf2(element_size)));
+    Matcher<Node*> offset_matcher =
+        element_size == 1
+            ? key
+            : IsWord32Shl(key, IsInt32Constant(WhichPowerOf2(element_size)));
 
-      ASSERT_TRUE(r.Changed());
-      EXPECT_THAT(
-          r.replacement(),
-          IsLoadBuffer(BufferAccess(type),
-                       IsIntPtrConstant(bit_cast<intptr_t>(&backing_store[0])),
-                       offset_matcher,
-                       IsNumberConstant(array->byte_length()->Number()), effect,
-                       control));
-    }
+    ASSERT_TRUE(r.Changed());
+    EXPECT_THAT(
+        r.replacement(),
+        IsLoadBuffer(BufferAccess(type),
+                     IsIntPtrConstant(bit_cast<intptr_t>(&backing_store[0])),
+                     offset_matcher,
+                     IsNumberConstant(array->byte_length()->Number()), effect,
+                     control));
   }
 }
 
 
 TEST_F(JSTypedLoweringTest, JSLoadPropertyFromExternalTypedArrayWithSafeKey) {
   const size_t kLength = 17;
   double backing_store[kLength];
   Handle<JSArrayBuffer> buffer =
       NewArrayBuffer(backing_store, sizeof(backing_store));
   VectorSlotPair feedback;
   TRACED_FOREACH(ExternalArrayType, type, kExternalArrayTypes) {
-    TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) {
-      Handle<JSTypedArray> array =
-          factory()->NewJSTypedArray(type, buffer, 0, kLength);
-      ElementAccess access = AccessBuilder::ForTypedArrayElement(type, true);
+    Handle<JSTypedArray> array =
+        factory()->NewJSTypedArray(type, buffer, 0, kLength);
+    ElementAccess access = AccessBuilder::ForTypedArrayElement(type, true);
 
-      int min = random_number_generator()->NextInt(static_cast<int>(kLength));
-      int max = random_number_generator()->NextInt(static_cast<int>(kLength));
-      if (min > max) std::swap(min, max);
-      Node* key = Parameter(Type::Range(min, max, zone()));
-      Node* base = HeapConstant(array);
-      Node* vector = UndefinedConstant();
-      Node* context = UndefinedConstant();
-      Node* effect = graph()->start();
-      Node* control = graph()->start();
-      Reduction r = Reduce(
-          graph()->NewNode(javascript()->LoadProperty(language_mode, feedback),
-                           base, key, vector, context, EmptyFrameState(),
-                           EmptyFrameState(), effect, control));
+    int min = random_number_generator()->NextInt(static_cast<int>(kLength));
+    int max = random_number_generator()->NextInt(static_cast<int>(kLength));
+    if (min > max) std::swap(min, max);
+    Node* key = Parameter(Type::Range(min, max, zone()));
+    Node* base = HeapConstant(array);
+    Node* vector = UndefinedConstant();
+    Node* context = UndefinedConstant();
+    Node* effect = graph()->start();
+    Node* control = graph()->start();
+    Reduction r = Reduce(graph()->NewNode(
+        javascript()->LoadProperty(feedback), base, key, vector, context,
+        EmptyFrameState(), EmptyFrameState(), effect, control));
 
-      ASSERT_TRUE(r.Changed());
-      EXPECT_THAT(
-          r.replacement(),
-          IsLoadElement(access,
-                        IsIntPtrConstant(bit_cast<intptr_t>(&backing_store[0])),
-                        key, effect, control));
-    }
+    ASSERT_TRUE(r.Changed());
+    EXPECT_THAT(
+        r.replacement(),
+        IsLoadElement(access,
+                      IsIntPtrConstant(bit_cast<intptr_t>(&backing_store[0])),
+                      key, effect, control));
   }
 }
 
 
 // -----------------------------------------------------------------------------
 // JSStoreProperty
 
 
 TEST_F(JSTypedLoweringTest, JSStorePropertyToExternalTypedArray) {
   const size_t kLength = 17;
@@ skipping 132 matching lines @@
 
 
 TEST_F(JSTypedLoweringTest, JSLoadNamedStringLength) {
   VectorSlotPair feedback;
   Handle<Name> name = factory()->length_string();
   Node* const receiver = Parameter(Type::String(), 0);
   Node* const vector = Parameter(Type::Internal(), 1);
   Node* const context = UndefinedConstant();
   Node* const effect = graph()->start();
   Node* const control = graph()->start();
-  TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) {
-    Reduction const r = Reduce(
-        graph()->NewNode(javascript()->LoadNamed(language_mode, name, feedback),
-                         receiver, vector, context, EmptyFrameState(),
-                         EmptyFrameState(), effect, control));
-    ASSERT_TRUE(r.Changed());
-    EXPECT_THAT(r.replacement(), IsLoadField(AccessBuilder::ForStringLength(),
-                                             receiver, effect, control));
-  }
+  Reduction const r = Reduce(graph()->NewNode(
+      javascript()->LoadNamed(name, feedback), receiver, vector, context,
+      EmptyFrameState(), EmptyFrameState(), effect, control));
+  ASSERT_TRUE(r.Changed());
+  EXPECT_THAT(r.replacement(), IsLoadField(AccessBuilder::ForStringLength(),
+                                           receiver, effect, control));
 }
 
 
 TEST_F(JSTypedLoweringTest, JSLoadNamedFunctionPrototype) {
   VectorSlotPair feedback;
   Handle<Name> name = factory()->prototype_string();
   Handle<JSFunction> function = isolate()->object_function();
   Handle<JSObject> function_prototype(JSObject::cast(function->prototype()));
   Node* const receiver = Parameter(Type::Constant(function, zone()), 0);
   Node* const vector = Parameter(Type::Internal(), 1);
   Node* const context = Parameter(Type::Internal(), 2);
   Node* const effect = graph()->start();
   Node* const control = graph()->start();
-  TRACED_FOREACH(LanguageMode, language_mode, kLanguageModes) {
-    Reduction const r = Reduce(
-        graph()->NewNode(javascript()->LoadNamed(language_mode, name, feedback),
-                         receiver, vector, context, EmptyFrameState(),
-                         EmptyFrameState(), effect, control));
-    ASSERT_TRUE(r.Changed());
-    EXPECT_THAT(r.replacement(), IsHeapConstant(function_prototype));
-  }
+  Reduction const r = Reduce(graph()->NewNode(
+      javascript()->LoadNamed(name, feedback), receiver, vector, context,
+      EmptyFrameState(), EmptyFrameState(), effect, control));
+  ASSERT_TRUE(r.Changed());
+  EXPECT_THAT(r.replacement(), IsHeapConstant(function_prototype));
 }
 
 
 // -----------------------------------------------------------------------------
 // JSAdd
 
 
 TEST_F(JSTypedLoweringTest, JSAddWithString) {
   BinaryOperationHints const hints = BinaryOperationHints::Any();
     Node* lhs = Parameter(Type::String(), 0);
@@ skipping 74 matching lines @@
   Node* dummy = graph()->NewNode(javascript()->ToObject(), instanceOf, context,
                                  frame_state, effect, control);
   Reduction r = Reduce(instanceOf);
   ASSERT_FALSE(r.Changed());
   ASSERT_EQ(instanceOf, dummy->InputAt(0));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8