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// 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/osr.h"
#include "src/codegen/optimized-compilation-info.h"
#include "src/compiler/frame.h"
#include "src/objects/objects-inl.h"
#include "src/objects/objects.h"
#include "src/objects/shared-function-info.h"
namespace v8 {
namespace internal {
namespace compiler {
OsrHelper::OsrHelper(OptimizedCompilationInfo* info)
: parameter_count_(info->bytecode_array()->parameter_count()),
stack_slot_count_(UnoptimizedFrameConstants::RegisterStackSlotCount(
info->bytecode_array()->register_count()) +
UnoptimizedFrameConstants::kExtraSlotCount) {}
void OsrHelper::SetupFrame(Frame* frame) {
// The optimized frame will subsume the unoptimized frame. Do so by reserving
// the first spill slots.
frame->ReserveSpillSlots(UnoptimizedFrameSlots());
}
} // namespace compiler
} // namespace internal
} // namespace v8
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