WIP: type profiling.

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 275 matching lines @@
 
 size_t hash_value(DataPropertyParameters const& p) {
   return base::hash_combine(p.feedback());
 }
 
 std::ostream& operator<<(std::ostream& os, DataPropertyParameters const& p) {
   return os;
 }
 
 DataPropertyParameters const& DataPropertyParametersOf(const Operator* op) {
-  DCHECK(op->opcode() == IrOpcode::kJSStoreDataPropertyInLiteral);
+  DCHECK(op->opcode() == IrOpcode::kJSStoreDataPropertyInLiteral ||
+         op->opcode() == IrOpcode::kJSCollectTypeProfile);
   return OpParameter<DataPropertyParameters>(op);
 }
 
 bool operator==(NamedAccess const& lhs, NamedAccess const& rhs) {
   return lhs.name().location() == rhs.name().location() &&
          lhs.language_mode() == rhs.language_mode() &&
          lhs.feedback() == rhs.feedback();
 }
 
 
@@ skipping 394 matching lines @@
     const VectorSlotPair& feedback) {
   DataPropertyParameters parameters(feedback);
   return new (zone()) Operator1<DataPropertyParameters>(  // --
       IrOpcode::kJSStoreDataPropertyInLiteral,
       Operator::kNoThrow,              // opcode
       "JSStoreDataPropertyInLiteral",  // name
       4, 1, 1, 0, 1, 0,                // counts
       parameters);                     // parameter
 }
 
+const Operator* JSOperatorBuilder::CollectTypeProfile(
+    const VectorSlotPair& feedback) {
+  DataPropertyParameters parameters(feedback);
+  return new (zone()) Operator1<DataPropertyParameters>(  // --
+      IrOpcode::kJSCollectTypeProfile,
+      Operator::kNoThrow,      // opcode
+      "JSCollectTypeProfile",  // name
+      2, 1, 1, 0, 1, 0,        // counts
+      parameters);             // parameter
+}
+
 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(
@@ skipping 323 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