Reland of [turbofan] Introduce proper JSCreateLiteralRegExp operator.

src/compiler/js-operator.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/compiler/js-operator.h"
 
 #include <limits>
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
@@ skipping 394 matching lines @@
 
 
 const CreateClosureParameters& CreateClosureParametersOf(const Operator* op) {
   DCHECK_EQ(IrOpcode::kJSCreateClosure, op->opcode());
   return OpParameter<CreateClosureParameters>(op);
 }
 
 
 bool operator==(CreateLiteralParameters const& lhs,
                 CreateLiteralParameters const& rhs) {
-  return lhs.constants().location() == rhs.constants().location() &&
+  return lhs.constant().location() == rhs.constant().location() &&
          lhs.flags() == rhs.flags() && lhs.index() == rhs.index();
 }
 
 
 bool operator!=(CreateLiteralParameters const& lhs,
                 CreateLiteralParameters const& rhs) {
   return !(lhs == rhs);
 }
 
 
 size_t hash_value(CreateLiteralParameters const& p) {
-  return base::hash_combine(p.constants().location(), p.flags(), p.index());
+  return base::hash_combine(p.constant().location(), p.flags(), p.index());
 }
 
 
 std::ostream& operator<<(std::ostream& os, CreateLiteralParameters const& p) {
-  return os << Brief(*p.constants()) << ", " << p.flags() << ", " << p.index();
+  return os << Brief(*p.constant()) << ", " << p.flags() << ", " << p.index();
 }
 
 
 const CreateLiteralParameters& CreateLiteralParametersOf(const Operator* op) {
   DCHECK(op->opcode() == IrOpcode::kJSCreateLiteralArray ||
-         op->opcode() == IrOpcode::kJSCreateLiteralObject);
+         op->opcode() == IrOpcode::kJSCreateLiteralObject ||
+         op->opcode() == IrOpcode::kJSCreateLiteralRegExp);
   return OpParameter<CreateLiteralParameters>(op);
 }
 
 
 #define CACHED_OP_LIST(V)                             \
   V(Equal, Operator::kNoProperties, 2, 1)             \
   V(NotEqual, Operator::kNoProperties, 2, 1)          \
   V(StrictEqual, Operator::kNoThrow, 2, 1)            \
   V(StrictNotEqual, Operator::kNoThrow, 2, 1)         \
   V(UnaryNot, Operator::kEliminatable, 1, 1)          \
@@ skipping 323 matching lines @@
   CreateLiteralParameters parameters(constant_properties, literal_flags,
                                      literal_index);
   return new (zone()) Operator1<CreateLiteralParameters>(         // --
       IrOpcode::kJSCreateLiteralObject, Operator::kNoProperties,  // opcode
       "JSCreateLiteralObject",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       parameters);                                                // parameter
 }
 
 
+const Operator* JSOperatorBuilder::CreateLiteralRegExp(
+    Handle<String> constant_pattern, int literal_flags, int literal_index) {
+  CreateLiteralParameters parameters(constant_pattern, literal_flags,
+                                     literal_index);
+  return new (zone()) Operator1<CreateLiteralParameters>(         // --
+      IrOpcode::kJSCreateLiteralRegExp, Operator::kNoProperties,  // opcode
+      "JSCreateLiteralRegExp",                                    // name
+      1, 1, 1, 1, 1, 2,                                           // counts
+      parameters);                                                // parameter
+}
+
+
 const Operator* JSOperatorBuilder::CreateFunctionContext(int slot_count) {
   return new (zone()) Operator1<int>(                               // --
       IrOpcode::kJSCreateFunctionContext, Operator::kNoProperties,  // opcode
       "JSCreateFunctionContext",                                    // name
       1, 1, 1, 1, 1, 2,                                             // counts
       slot_count);                                                  // parameter
 }
 
 
 const Operator* JSOperatorBuilder::CreateCatchContext(
@@ skipping 21 matching lines @@
   return new (zone()) Operator1<Handle<ScopeInfo>>(               // --
       IrOpcode::kJSCreateScriptContext, Operator::kNoProperties,  // opcode
       "JSCreateScriptContext",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       scpope_info);                                               // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8