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// Copyright 2017 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/builtins/builtins-utils-gen.h"
#include "src/builtins/builtins.h"
#include "src/codegen/code-stub-assembler.h"
#include "src/codegen/macro-assembler.h"
#include "src/execution/frame-constants.h"
namespace v8 {
namespace internal {
TF_BUILTIN(FastConsoleAssert, CodeStubAssembler) {
Label runtime(this);
Label out(this);
// TODO(ishell): use constants from Descriptor once the JSFunction linkage
// arguments are reordered.
TNode<Int32T> argc =
UncheckedCast<Int32T>(Parameter(Descriptor::kJSActualArgumentsCount));
Node* context = Parameter(Descriptor::kContext);
Node* new_target = Parameter(Descriptor::kJSNewTarget);
GotoIf(Word32Equal(argc, Int32Constant(0)), &runtime);
CodeStubArguments args(this, ChangeInt32ToIntPtr(argc));
BranchIfToBooleanIsTrue(args.AtIndex(0), &out, &runtime);
BIND(&out);
args.PopAndReturn(UndefinedConstant());
BIND(&runtime);
{
// We are not using Parameter(Descriptor::kJSTarget) and loading the value
// from the current frame here in order to reduce register pressure on the
// fast path.
TNode<JSFunction> target = LoadTargetFromFrame();
TailCallBuiltin(Builtins::kConsoleAssert, context, target, new_target,
argc);
}
}
} // namespace internal
} // namespace v8