[intrinsics] Remove unused %_RegExpExec and %_NumberToString.

src/crankshaft/hydrogen.cc

 // Copyright 2013 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.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
@@ skipping 12110 matching lines @@
   HValue* to = Pop();
   HValue* from = Pop();
   HValue* string = Pop();
   HValue* values[] = {string, from, to};
   HInstruction* result = New<HCallWithDescriptor>(
       stub, 0, callable.descriptor(), ArrayVector(values));
   result->set_type(HType::String());
   return ast_context()->ReturnInstruction(result, call->id());
 }
 
-// Support for direct calls from JavaScript to native RegExp code.
-void HOptimizedGraphBuilder::GenerateRegExpExec(CallRuntime* call) {
-  DCHECK_EQ(4, call->arguments()->length());
-  CHECK_ALIVE(VisitExpressions(call->arguments()));
-  Callable callable = CodeFactory::RegExpExec(isolate());
-  HValue* last_match_info = Pop();
-  HValue* index = Pop();
-  HValue* subject = Pop();
-  HValue* regexp_object = Pop();
-  HValue* stub = Add<HConstant>(callable.code());
-  HValue* values[] = {regexp_object, subject, index, last_match_info};
-  HInstruction* result = New<HCallWithDescriptor>(
-      stub, 0, callable.descriptor(), ArrayVector(values));
-  return ast_context()->ReturnInstruction(result, call->id());
-}
-
-
-// Fast support for number to string.
-void HOptimizedGraphBuilder::GenerateNumberToString(CallRuntime* call) {
-  DCHECK_EQ(1, call->arguments()->length());
-  CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
-  HValue* number = Pop();
-  HValue* result = BuildNumberToString(number, AstType::Any());
-  return ast_context()->ReturnValue(result);
-}
-
 
 // Fast support for calls.
 void HOptimizedGraphBuilder::GenerateCall(CallRuntime* call) {
   DCHECK_LE(2, call->arguments()->length());
   CHECK_ALIVE(VisitExpressions(call->arguments()));
   CallTrampolineDescriptor descriptor(isolate());
   PushArgumentsFromEnvironment(call->arguments()->length() - 1);
   HValue* trampoline = Add<HConstant>(isolate()->builtins()->Call());
   HValue* target = Pop();
   HValue* values[] = {target, Add<HConstant>(call->arguments()->length() - 2)};
@@ skipping 858 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8