[stubs] Introduce a proper ToBooleanStub.

src/crankshaft/hydrogen-instructions.cc

 // Copyright 2012 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/crankshaft/hydrogen-instructions.h"
 
 #include "src/base/bits.h"
 #include "src/base/safe_math.h"
 #include "src/crankshaft/hydrogen-infer-representation.h"
 #include "src/double.h"
@@ skipping 1077 matching lines @@
 }
 
 
 std::ostream& HReturn::PrintDataTo(std::ostream& os) const {  // NOLINT
   return os << NameOf(value()) << " (pop " << NameOf(parameter_count())
             << " values)";
 }
 
 
 Representation HBranch::observed_input_representation(int index) {
-  if (expected_input_types_.Contains(ToBooleanStub::NULL_TYPE) ||
-      expected_input_types_.Contains(ToBooleanStub::SPEC_OBJECT) ||
-      expected_input_types_.Contains(ToBooleanStub::STRING) ||
-      expected_input_types_.Contains(ToBooleanStub::SYMBOL) ||
-      expected_input_types_.Contains(ToBooleanStub::SIMD_VALUE)) {
+  if (expected_input_types_.Contains(ToBooleanICStub::NULL_TYPE) ||
+      expected_input_types_.Contains(ToBooleanICStub::SPEC_OBJECT) ||
+      expected_input_types_.Contains(ToBooleanICStub::STRING) ||
+      expected_input_types_.Contains(ToBooleanICStub::SYMBOL) ||
+      expected_input_types_.Contains(ToBooleanICStub::SIMD_VALUE)) {
     return Representation::Tagged();
   }
-  if (expected_input_types_.Contains(ToBooleanStub::UNDEFINED)) {
-    if (expected_input_types_.Contains(ToBooleanStub::HEAP_NUMBER)) {
+  if (expected_input_types_.Contains(ToBooleanICStub::UNDEFINED)) {
+    if (expected_input_types_.Contains(ToBooleanICStub::HEAP_NUMBER)) {
       return Representation::Double();
     }
     return Representation::Tagged();
   }
-  if (expected_input_types_.Contains(ToBooleanStub::HEAP_NUMBER)) {
+  if (expected_input_types_.Contains(ToBooleanICStub::HEAP_NUMBER)) {
     return Representation::Double();
   }
-  if (expected_input_types_.Contains(ToBooleanStub::SMI)) {
+  if (expected_input_types_.Contains(ToBooleanICStub::SMI)) {
     return Representation::Smi();
   }
   return Representation::None();
 }
 
 
 bool HBranch::KnownSuccessorBlock(HBasicBlock** block) {
   HValue* value = this->value();
   if (value->EmitAtUses()) {
     DCHECK(value->IsConstant());
@@ skipping 3495 matching lines @@
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 }  // namespace internal
 }  // namespace v8