// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/compiler/osr.h"
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#include "src/compiler/frame.h"
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#include "src/objects-inl.h"
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#include "src/objects.h"
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#include "src/objects/shared-function-info.h"
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#include "src/optimized-compilation-info.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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OsrHelper::OsrHelper(OptimizedCompilationInfo* info)
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: parameter_count_(
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info->shared_info()->GetBytecodeArray()->parameter_count()),
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stack_slot_count_(
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InterpreterFrameConstants::RegisterStackSlotCount(
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info->shared_info()->GetBytecodeArray()->register_count()) +
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InterpreterFrameConstants::kExtraSlotCount) {}
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void OsrHelper::SetupFrame(Frame* frame) {
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// The optimized frame will subsume the unoptimized frame. Do so by reserving
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// the first spill slots.
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frame->ReserveSpillSlots(UnoptimizedFrameSlots());
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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