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// Copyright 2018 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. #ifndef V8_COMPILER_ALLOCATION_BUILDER_INL_H_ #define V8_COMPILER_ALLOCATION_BUILDER_INL_H_ #include "src/compiler/allocation-builder.h" #include "src/compiler/access-builder.h" #include "src/objects/map-inl.h" namespace v8 { namespace internal { namespace compiler { void AllocationBuilder::AllocateContext(int variadic_part_length, MapRef map) { DCHECK(IsInRange(map.instance_type(), FIRST_CONTEXT_TYPE, LAST_CONTEXT_TYPE)); DCHECK_NE(NATIVE_CONTEXT_TYPE, map.instance_type()); int size = Context::SizeFor(variadic_part_length); Allocate(size, AllocationType::kYoung, Type::OtherInternal()); Store(AccessBuilder::ForMap(), map); STATIC_ASSERT(static_cast<int>(Context::kLengthOffset) == static_cast<int>(FixedArray::kLengthOffset)); Store(AccessBuilder::ForFixedArrayLength(), jsgraph()->Constant(variadic_part_length)); } // Compound allocation of a FixedArray. void AllocationBuilder::AllocateArray(int length, MapRef map, AllocationType allocation) { DCHECK(map.instance_type() == FIXED_ARRAY_TYPE || map.instance_type() == FIXED_DOUBLE_ARRAY_TYPE); int size = (map.instance_type() == FIXED_ARRAY_TYPE) ? FixedArray::SizeFor(length) : FixedDoubleArray::SizeFor(length); Allocate(size, allocation, Type::OtherInternal()); Store(AccessBuilder::ForMap(), map); Store(AccessBuilder::ForFixedArrayLength(), jsgraph()->Constant(length)); } } // namespace compiler } // namespace internal } // namespace v8 #endif // V8_COMPILER_ALLOCATION_BUILDER_INL_H_