Line data    Source code

       1             : // Copyright 2017 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/builtins/builtins-utils-gen.h"
       6             : #include "src/builtins/builtins.h"
       7             : #include "src/code-stub-assembler.h"
       8             : #include "src/frame-constants.h"
       9             : 
      10             : namespace v8 {
      11             : namespace internal {
      12             : 
      13         124 : TF_BUILTIN(FastConsoleAssert, CodeStubAssembler) {
      14          31 :   Label runtime(this);
      15          31 :   Label out(this);
      16             : 
      17             :   // TODO(ishell): use constants from Descriptor once the JSFunction linkage
      18             :   // arguments are reordered.
      19             :   Node* argc = Parameter(BuiltinDescriptor::kArgumentsCount);
      20             :   Node* context = Parameter(BuiltinDescriptor::kContext);
      21             :   Node* new_target = Parameter(BuiltinDescriptor::kNewTarget);
      22          93 :   GotoIf(Word32Equal(argc, Int32Constant(0)), &runtime);
      23             : 
      24          93 :   CodeStubArguments args(this, ChangeInt32ToIntPtr(argc));
      25          62 :   BranchIfToBooleanIsTrue(args.AtIndex(0), &out, &runtime);
      26          31 :   BIND(&out);
      27          62 :   args.PopAndReturn(UndefinedConstant());
      28             : 
      29          31 :   BIND(&runtime);
      30             :   {
      31             :     Node* target = LoadFromFrame(StandardFrameConstants::kFunctionOffset,
      32          31 :                                  MachineType::TaggedPointer());
      33             :     TailCallBuiltin(Builtins::kConsoleAssert, context, target, new_target,
      34          31 :                     argc);
      35          31 :   }
      36          31 : }
      37             : 
      38             : }  // namespace internal
      39             : }  // namespace v8