[WIP] Start adding JSCallWithVarargs

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 139 matching lines @@
      << p.tail_call_mode();
   return os;
 }
 
 const CallParameters& CallParametersOf(const Operator* op) {
   DCHECK_EQ(IrOpcode::kJSCall, op->opcode());
   return OpParameter<CallParameters>(op);
 }
 
 std::ostream& operator<<(std::ostream& os,
+                         CallVarargsParameters const& p) {
+  return os << p.arity();
+}
+
+CallVarargsParameters const& CallVarargsParametersOf(
+    Operator const* op) {
+  DCHECK_EQ(IrOpcode::kJSCallVarargs, op->opcode());
+  return OpParameter<CallVarargsParameters>(op);
+}
+
+std::ostream& operator<<(std::ostream& os,
                          CallForwardVarargsParameters const& p) {
   return os << p.arity() << ", " << p.start_index() << ", "
             << p.tail_call_mode();
 }
 
 CallForwardVarargsParameters const& CallForwardVarargsParametersOf(
     Operator const* op) {
   DCHECK_EQ(IrOpcode::kJSCallForwardVarargs, op->opcode());
   return OpParameter<CallForwardVarargsParameters>(op);
 }
@@ skipping 627 matching lines @@
 
 const Operator* JSOperatorBuilder::ToBoolean(ToBooleanHints hints) {
   // TODO(turbofan): Cache most important versions of this operator.
   return new (zone()) Operator1<ToBooleanHints>(  //--
       IrOpcode::kJSToBoolean, Operator::kPure,    // opcode
       "JSToBoolean",                              // name
       1, 0, 0, 1, 0, 0,                           // inputs/outputs
       hints);                                     // parameter
 }
 
-const Operator* JSOperatorBuilder::CallForwardVarargs(
-    size_t arity, uint32_t start_index, TailCallMode tail_call_mode) {
-  CallForwardVarargsParameters parameters(arity, start_index, tail_call_mode);
-  return new (zone()) Operator1<CallForwardVarargsParameters>(   // --
-      IrOpcode::kJSCallForwardVarargs, Operator::kNoProperties,  // opcode
-      "JSCallForwardVarargs",                                    // name
-      parameters.arity(), 1, 1, 1, 1, 2,                         // counts
-      parameters);                                               // parameter
-}
-
 const Operator* JSOperatorBuilder::Call(size_t arity, CallFrequency frequency,
                                         VectorSlotPair const& feedback,
                                         ConvertReceiverMode convert_mode,
                                         TailCallMode tail_call_mode) {
   CallParameters parameters(arity, frequency, feedback, tail_call_mode,
                             convert_mode);
   return new (zone()) Operator1<CallParameters>(   // --
       IrOpcode::kJSCall, Operator::kNoProperties,  // opcode
       "JSCall",                                    // name
       parameters.arity(), 1, 1, 1, 1, 2,           // inputs/outputs
       parameters);                                 // parameter
 }
 
+const Operator* JSOperatorBuilder::CallForwardVarargs(
+    size_t arity, uint32_t start_index, TailCallMode tail_call_mode) {
+  CallForwardVarargsParameters parameters(arity, start_index, tail_call_mode);
+  return new (zone()) Operator1<CallForwardVarargsParameters>(   // --
+      IrOpcode::kJSCallForwardVarargs, Operator::kNoProperties,  // opcode
+      "JSCallForwardVarargs",                                    // name
+      parameters.arity(), 1, 1, 1, 1, 2,                         // counts
+      parameters);                                               // parameter
+}
+
+const Operator* JSOperatorBuilder::CallVarargs(
+    size_t arity) {
+  CallVarargsParameters parameters(arity);
+  return new (zone()) Operator1<CallVarargsParameters>(   // --
+      IrOpcode::kJSCallVarargs, Operator::kNoProperties,  // opcode
+      "JSCallVarargs",                                    // name
+      parameters.arity() + 2, 1, 1, 1, 1, 2,              // counts
+      parameters);                                        // parameter
+}
+
 const Operator* JSOperatorBuilder::CallWithArrayLike(CallFrequency frequency) {
   return new (zone()) Operator1<CallFrequency>(                 // --
       IrOpcode::kJSCallWithArrayLike, Operator::kNoProperties,  // opcode
       "JSCallWithArrayLike",                                    // name
       3, 1, 1, 1, 1, 2,                                         // counts
       frequency);                                               // parameter
 }
 
 const Operator* JSOperatorBuilder::CallWithSpread(uint32_t arity) {
   SpreadWithArityParameter parameters(arity);
@@ skipping 335 matching lines @@
   return new (zone()) Operator1<Handle<ScopeInfo>>(               // --
       IrOpcode::kJSCreateScriptContext, Operator::kNoProperties,  // opcode
       "JSCreateScriptContext",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       scope_info);                                                // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8