Reland of [turbofan] Introduce proper JSCreateLiteralRegExp operator.

src/compiler/js-typed-lowering.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/compilation-dependencies.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/linkage.h"
@@ skipping 1747 matching lines @@
     return Changed(node);
   }
 
   return NoChange();
 }
 
 
 Reduction JSTypedLowering::ReduceJSCreateLiteralArray(Node* node) {
   DCHECK_EQ(IrOpcode::kJSCreateLiteralArray, node->opcode());
   CreateLiteralParameters const& p = CreateLiteralParametersOf(node->op());
-  int const length = p.constants()->length();
+  Handle<FixedArray> const constants = Handle<FixedArray>::cast(p.constant());
+  int const length = constants->length();
   int const flags = p.flags();
 
   // Use the FastCloneShallowArrayStub only for shallow boilerplates up to the
   // initial length limit for arrays with "fast" elements kind.
   // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub.
   if ((flags & ArrayLiteral::kShallowElements) != 0 &&
       (flags & ArrayLiteral::kIsStrong) == 0 &&
       length < JSArray::kInitialMaxFastElementArray) {
     Isolate* isolate = jsgraph()->isolate();
     Callable callable = CodeFactory::FastCloneShallowArray(isolate);
     CallDescriptor* desc = Linkage::GetStubCallDescriptor(
         isolate, graph()->zone(), callable.descriptor(), 0,
         (OperatorProperties::GetFrameStateInputCount(node->op()) != 0)
             ? CallDescriptor::kNeedsFrameState
             : CallDescriptor::kNoFlags);
     const Operator* new_op = common()->Call(desc);
     Node* stub_code = jsgraph()->HeapConstant(callable.code());
     Node* literal_index = jsgraph()->SmiConstant(p.index());
-    Node* constant_elements = jsgraph()->HeapConstant(p.constants());
+    Node* constant_elements = jsgraph()->HeapConstant(constants);
     node->InsertInput(graph()->zone(), 0, stub_code);
     node->InsertInput(graph()->zone(), 2, literal_index);
     node->InsertInput(graph()->zone(), 3, constant_elements);
     NodeProperties::ChangeOp(node, new_op);
     return Changed(node);
   }
 
   return NoChange();
 }
 
 
 Reduction JSTypedLowering::ReduceJSCreateLiteralObject(Node* node) {
   DCHECK_EQ(IrOpcode::kJSCreateLiteralObject, node->opcode());
   CreateLiteralParameters const& p = CreateLiteralParametersOf(node->op());
+  Handle<FixedArray> const constants = Handle<FixedArray>::cast(p.constant());
   // Constants are pairs, see ObjectLiteral::properties_count().
-  int const length = p.constants()->length() / 2;
+  int const length = constants->length() / 2;
   int const flags = p.flags();
 
   // Use the FastCloneShallowObjectStub only for shallow boilerplates without
   // elements up to the number of properties that the stubs can handle.
   if ((flags & ObjectLiteral::kShallowProperties) != 0 &&
       length <= FastCloneShallowObjectStub::kMaximumClonedProperties) {
     Isolate* isolate = jsgraph()->isolate();
     Callable callable = CodeFactory::FastCloneShallowObject(isolate, length);
     CallDescriptor* desc = Linkage::GetStubCallDescriptor(
         isolate, graph()->zone(), callable.descriptor(), 0,
         (OperatorProperties::GetFrameStateInputCount(node->op()) != 0)
             ? CallDescriptor::kNeedsFrameState
             : CallDescriptor::kNoFlags);
     const Operator* new_op = common()->Call(desc);
     Node* stub_code = jsgraph()->HeapConstant(callable.code());
     Node* literal_index = jsgraph()->SmiConstant(p.index());
     Node* literal_flags = jsgraph()->SmiConstant(flags);
-    Node* constant_elements = jsgraph()->HeapConstant(p.constants());
+    Node* constant_elements = jsgraph()->HeapConstant(constants);
     node->InsertInput(graph()->zone(), 0, stub_code);
     node->InsertInput(graph()->zone(), 2, literal_index);
     node->InsertInput(graph()->zone(), 3, constant_elements);
     node->InsertInput(graph()->zone(), 4, literal_flags);
     NodeProperties::ChangeOp(node, new_op);
     return Changed(node);
   }
 
   return NoChange();
 }
@@ skipping 787 matching lines @@
 }
 
 
 CompilationDependencies* JSTypedLowering::dependencies() const {
   return dependencies_;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8