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75c2cbf593
Some requirement machine work Rename requirement to Value Rename more things to Value Fix integer checking for requirement some docs and parser changes Minor fixes
607 lines
19 KiB
C++
607 lines
19 KiB
C++
//===--- SILFormat.h - The internals of serialized SILs ---------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file Contains various constants and helper types to deal with serialized
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/// SILs.
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///
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SERIALIZATION_SILFORMAT_H
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#define SWIFT_SERIALIZATION_SILFORMAT_H
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#include "ModuleFormat.h"
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namespace swift {
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namespace serialization {
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using ValueID = DeclID;
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using ValueIDField = DeclIDField;
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using SILInstOpCodeField = BCFixed<8>;
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using SILTypeCategoryField = BCFixed<2>;
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using SILValueOwnershipField = BCFixed<2>;
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enum SILStringEncoding : uint8_t {
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SIL_UTF8,
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SIL_OBJC_SELECTOR,
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SIL_BYTES,
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SIL_UTF8_OSLOG
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};
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enum SILLinkageEncoding : uint8_t {
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SIL_LINKAGE_PUBLIC,
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SIL_LINKAGE_PUBLIC_NON_ABI,
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SIL_LINKAGE_PACKAGE,
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SIL_LINKAGE_PACKAGE_NON_ABI,
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SIL_LINKAGE_HIDDEN,
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SIL_LINKAGE_SHARED,
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SIL_LINKAGE_PRIVATE,
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SIL_LINKAGE_PUBLIC_EXTERNAL,
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SIL_LINKAGE_PACKAGE_EXTERNAL,
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SIL_LINKAGE_HIDDEN_EXTERNAL,
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};
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using SILLinkageField = BCFixed<4>;
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enum SILVTableEntryKindEncoding : uint8_t {
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SIL_VTABLE_ENTRY_NORMAL,
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SIL_VTABLE_ENTRY_INHERITED,
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SIL_VTABLE_ENTRY_OVERRIDE,
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};
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using SILVTableEntryKindField = BCFixed<2>;
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enum CastConsumptionKindEncoding : uint8_t {
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SIL_CAST_CONSUMPTION_TAKE_ALWAYS,
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SIL_CAST_CONSUMPTION_TAKE_ON_SUCCESS,
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SIL_CAST_CONSUMPTION_COPY_ON_SUCCESS,
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SIL_CAST_CONSUMPTION_BORROW_ALWAYS,
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};
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enum class KeyPathComponentKindEncoding : uint8_t {
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StoredProperty,
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TupleElement,
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GettableProperty,
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SettableProperty,
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OptionalChain,
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OptionalForce,
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OptionalWrap,
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Trivial,
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};
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enum class KeyPathComputedComponentIdKindEncoding : uint8_t {
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Property,
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Function,
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DeclRef,
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};
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/// The record types within the "sil-index" block.
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///
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/// \sa SIL_INDEX_BLOCK_ID
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namespace sil_index_block {
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// clang-format off
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// These IDs must \em not be renumbered or reordered without incrementing
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// the module version.
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enum RecordKind {
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SIL_FUNC_NAMES = 1,
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SIL_FUNC_OFFSETS,
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SIL_VTABLE_NAMES,
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SIL_VTABLE_OFFSETS,
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SIL_MOVEONLYDEINIT_NAMES,
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SIL_MOVEONLYDEINIT_OFFSETS,
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SIL_GLOBALVAR_NAMES,
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SIL_GLOBALVAR_OFFSETS,
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SIL_WITNESS_TABLE_NAMES,
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SIL_WITNESS_TABLE_OFFSETS,
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SIL_DEFAULT_WITNESS_TABLE_NAMES,
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SIL_DEFAULT_WITNESS_TABLE_OFFSETS,
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SIL_PROPERTY_OFFSETS,
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SIL_DIFFERENTIABILITY_WITNESS_NAMES,
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SIL_DIFFERENTIABILITY_WITNESS_OFFSETS,
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};
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using ListLayout = BCGenericRecordLayout<
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BCFixed<4>, // record ID
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BCVBR<16>, // table offset within the blob
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BCBlob // map from identifier strings to IDs.
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>;
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using OffsetLayout = BCGenericRecordLayout<
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BCFixed<4>, // record ID
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BCArray<BitOffsetField>
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>;
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// clang-format on
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}
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/// The record types within the "sil" block.
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///
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/// \sa SIL_BLOCK_ID
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namespace sil_block {
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// clang-format off
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// These IDs must \em not be renumbered or reordered without incrementing
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// the module version.
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enum RecordKind : uint8_t {
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SIL_FUNCTION = 1,
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SIL_BASIC_BLOCK,
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SIL_ONE_VALUE_ONE_OPERAND,
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SIL_ONE_TYPE,
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SIL_ONE_OPERAND,
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SIL_ONE_TYPE_ONE_OPERAND,
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SIL_ONE_TYPE_VALUES,
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SIL_ONE_TYPE_OWNERSHIP_VALUES,
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SIL_ONE_TYPE_VALUES_CATEGORIES,
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SIL_TWO_OPERANDS,
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SIL_TAIL_ADDR,
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SIL_INST_APPLY,
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SIL_INST_NO_OPERAND,
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SIL_VTABLE,
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SIL_VTABLE_ENTRY,
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SIL_GLOBALVAR,
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SIL_INIT_EXISTENTIAL,
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SIL_WITNESS_TABLE,
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SIL_WITNESS_METHOD_ENTRY,
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SIL_WITNESS_BASE_ENTRY,
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SIL_WITNESS_ASSOC_PROTOCOL,
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SIL_WITNESS_ASSOC_ENTRY,
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SIL_WITNESS_CONDITIONAL_CONFORMANCE,
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SIL_DEFAULT_WITNESS_TABLE,
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SIL_DEFAULT_WITNESS_TABLE_NO_ENTRY,
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SIL_DIFFERENTIABILITY_WITNESS,
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SIL_INST_WITNESS_METHOD,
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SIL_SPECIALIZE_ATTR,
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SIL_ARG_EFFECTS_ATTR,
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SIL_PROPERTY,
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SIL_ONE_OPERAND_EXTRA_ATTR,
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SIL_ONE_TYPE_ONE_OPERAND_EXTRA_ATTR,
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SIL_TWO_OPERANDS_EXTRA_ATTR,
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SIL_INST_DIFFERENTIABLE_FUNCTION,
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SIL_INST_LINEAR_FUNCTION,
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SIL_INST_DIFFERENTIABLE_FUNCTION_EXTRACT,
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SIL_INST_LINEAR_FUNCTION_EXTRACT,
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SIL_INST_INCREMENT_PROFILER_COUNTER,
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SIL_MOVEONLY_DEINIT,
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SIL_INST_HAS_SYMBOL,
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SIL_OPEN_PACK_ELEMENT,
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SIL_PACK_ELEMENT_GET,
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SIL_PACK_ELEMENT_SET,
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SIL_TYPE_VALUE,
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};
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using SILInstNoOperandLayout = BCRecordLayout<
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SIL_INST_NO_OPERAND,
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SILInstOpCodeField
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>;
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using VTableLayout = BCRecordLayout<
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SIL_VTABLE,
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DeclIDField, // Class Decl
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BCFixed<2> // SerializedKind.
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>;
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using VTableEntryLayout = BCRecordLayout<
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SIL_VTABLE_ENTRY,
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DeclIDField, // SILFunction name
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SILVTableEntryKindField, // Kind
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BCFixed<1>, // NonOverridden
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BCArray<ValueIDField> // SILDeclRef
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>;
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using MoveOnlyDeinitLayout = BCRecordLayout<
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SIL_MOVEONLY_DEINIT,
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DeclIDField, // Class Decl
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DeclIDField, // SILFunction name
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BCFixed<2> // SerializedKind.
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>;
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using PropertyLayout = BCRecordLayout<
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SIL_PROPERTY,
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DeclIDField, // Property decl
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BCFixed<2>, // SerializedKind
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BCArray<ValueIDField> // Encoded key path component
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// Any substitutions or conformances required for the key path component
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// follow.
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>;
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using WitnessTableLayout = BCRecordLayout<
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SIL_WITNESS_TABLE,
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SILLinkageField, // Linkage
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BCFixed<1>, // Is this a declaration. We represent this separately
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// from whether or not we have entries since we can
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// have empty witness tables.
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BCFixed<2>, // SerializedKind.
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ProtocolConformanceIDField // conformance
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// Witness table entries will be serialized after.
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>;
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using WitnessMethodEntryLayout = BCRecordLayout<
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SIL_WITNESS_METHOD_ENTRY,
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DeclIDField, // SILFunction name
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BCArray<ValueIDField> // SILDeclRef
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>;
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using WitnessBaseEntryLayout = BCRecordLayout<
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SIL_WITNESS_BASE_ENTRY,
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DeclIDField, // ID of protocol decl
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ProtocolConformanceIDField // ID of conformance
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>;
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using WitnessAssocProtocolLayout = BCRecordLayout<
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SIL_WITNESS_ASSOC_PROTOCOL,
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TypeIDField, // ID of associated type
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DeclIDField, // ID of ProtocolDecl
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ProtocolConformanceIDField
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>;
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using WitnessAssocEntryLayout = BCRecordLayout<
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SIL_WITNESS_ASSOC_ENTRY,
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DeclIDField, // ID of AssociatedTypeDecl
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TypeIDField
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>;
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using WitnessConditionalConformanceLayout = BCRecordLayout<
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SIL_WITNESS_CONDITIONAL_CONFORMANCE,
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TypeIDField, // ID of associated type
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ProtocolConformanceIDField // ID of conformance
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>;
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using DefaultWitnessTableLayout = BCRecordLayout<
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SIL_DEFAULT_WITNESS_TABLE,
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DeclIDField, // ID of ProtocolDecl
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SILLinkageField // Linkage
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// Default witness table entries will be serialized after.
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>;
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using DefaultWitnessTableNoEntryLayout = BCRecordLayout<
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SIL_DEFAULT_WITNESS_TABLE_NO_ENTRY
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>;
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using SILGlobalVarLayout = BCRecordLayout<
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SIL_GLOBALVAR,
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SILLinkageField,
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BCFixed<2>, // serialized
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BCFixed<1>, // Is this a declaration.
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BCFixed<1>, // Is this a let variable.
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TypeIDField,
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DeclIDField
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>;
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using DifferentiabilityWitnessLayout = BCRecordLayout<
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SIL_DIFFERENTIABILITY_WITNESS,
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DeclIDField, // Original function name
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SILLinkageField, // Linkage
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BCFixed<1>, // Is declaration?
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BCFixed<2>, // Is serialized?
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DifferentiabilityKindField, // Differentiability kind
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GenericSignatureIDField, // Derivative function generic signature
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DeclIDField, // JVP function name
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DeclIDField, // VJP function name
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BCVBR<8>, // Number of parameter indices
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BCVBR<8>, // Number of result indices
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BCArray<ValueIDField> // Parameter and result indices
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>;
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using SILFunctionLayout =
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BCRecordLayout<SIL_FUNCTION, SILLinkageField,
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BCFixed<1>, // transparent
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BCFixed<2>, // serializedKind
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BCFixed<3>, // thunk kind
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BCFixed<1>, // without_actually_escaping
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BCFixed<3>, // specialPurpose
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BCFixed<2>, // inlineStrategy
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BCFixed<2>, // optimizationMode
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BCFixed<3>, // perfConstraints
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BCFixed<2>, // classSubclassScope
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BCFixed<1>, // hasCReferences
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BCFixed<3>, // side effect info.
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BCVBR<8>, // number of specialize attributes
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BCFixed<1>, // has qualified ownership
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BCFixed<1>, // force weak linking
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BC_AVAIL_TUPLE, // availability for weak linking
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BCFixed<1>, // is dynamically replacable
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BCFixed<1>, // exact self class
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BCFixed<1>, // is distributed
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BCFixed<1>, // is runtime accessible
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BCFixed<1>, // are lexical lifetimes force-enabled
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TypeIDField, // SILFunctionType
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DeclIDField, // SILFunction name or 0 (replaced function)
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DeclIDField, // SILFunction name or 0 (used ad-hoc requirement witness function)
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GenericSignatureIDField,
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DeclIDField, // ClangNode owner
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ModuleIDField, // Parent ModuleDecl *
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BCArray<IdentifierIDField> // Semantics Attribute
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// followed by specialize and argument effects attributes
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// followed by generic param list, if any
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>;
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using SILSpecializeAttrLayout =
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BCRecordLayout<SIL_SPECIALIZE_ATTR,
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BCFixed<1>, // exported
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BCFixed<1>, // specialization kind
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GenericSignatureIDField, // specialized signature
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DeclIDField, // Target SILFunction name or 0.
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DeclIDField, // SPIGroup or 0.
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DeclIDField, // SPIGroup Module name id.
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BC_AVAIL_TUPLE, // Availability
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BCArray<IdentifierIDField> // type erased params
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>;
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using SILArgEffectsAttrLayout =
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BCRecordLayout<SIL_ARG_EFFECTS_ATTR,
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IdentifierIDField, // argument effects string
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BCVBR<8>, // argumentIndex
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BCFixed<1>, // argumentIndexValid
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BCFixed<1> // isDerived
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>;
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// Has an optional argument list where each argument is a typed valueref.
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using SILBasicBlockLayout = BCRecordLayout<
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SIL_BASIC_BLOCK,
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BCArray<DeclIDField> // The array contains type-value pairs.
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>;
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// SIL instructions with one valueref and one typed valueref.
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// (store)
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using SILOneValueOneOperandLayout = BCRecordLayout<
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SIL_ONE_VALUE_ONE_OPERAND,
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SILInstOpCodeField,
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BCFixed<2>, // Optional attributes
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ValueIDField,
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField
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>;
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// SIL instructions with one type and one typed valueref.
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using SILOneTypeOneOperandLayout = BCRecordLayout<
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SIL_ONE_TYPE_ONE_OPERAND,
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SILInstOpCodeField,
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BCFixed<2>, // Optional attribute
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TypeIDField,
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SILTypeCategoryField,
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField
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>;
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// SIL instructions that construct existential values.
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using SILInitExistentialLayout = BCRecordLayout<
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SIL_INIT_EXISTENTIAL,
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SILInstOpCodeField, // opcode
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TypeIDField, // result type
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SILTypeCategoryField, // result type category
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TypeIDField, // operand type
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SILTypeCategoryField, // operand type category
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ValueIDField, // operand id
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TypeIDField, // formal concrete type
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BCArray<ProtocolConformanceIDField> // protocol conformances
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>;
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// SIL instructions with one type and a list of values.
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using SILOneTypeValuesLayout = BCRecordLayout<
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SIL_ONE_TYPE_VALUES,
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SILInstOpCodeField, // opcode
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TypeIDField, // destType
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SILTypeCategoryField, // destCategory
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BCArray<ValueIDField> // operand ids
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>;
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// SIL instructions with one type, forwarding ownership, and a list of values.
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// For OwnershipForwardingTermInst.
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using SILOneTypeOwnershipValuesLayout = BCRecordLayout<
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SIL_ONE_TYPE_OWNERSHIP_VALUES,
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SILInstOpCodeField,
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SILValueOwnershipField,
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TypeIDField,
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SILTypeCategoryField,
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BCArray<ValueIDField>>;
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using SILOneTypeValuesCategoriesLayout = BCRecordLayout<
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SIL_ONE_TYPE_VALUES_CATEGORIES,
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SILInstOpCodeField, // opcode
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TypeIDField, // destType
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SILTypeCategoryField, // destCategory
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BCFixed<1>, // options
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BCArray<BCFixed<32>> // operand id and categories.
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>;
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enum ApplyKind : unsigned {
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SIL_APPLY = 0,
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SIL_PARTIAL_APPLY,
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SIL_BUILTIN,
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SIL_TRY_APPLY,
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SIL_BEGIN_APPLY
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};
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using SILInstApplyLayout = BCRecordLayout<
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SIL_INST_APPLY,
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BCFixed<3>, // ApplyKind
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BCFixed<2>, // ApplyOptions
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SubstitutionMapIDField, // substitution map
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TypeIDField, // callee unsubstituted type
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TypeIDField, // callee substituted type
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ValueIDField, // callee value
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ActorIsolationField, // Caller Isolation if we have one. Unspecified otherwise.
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ActorIsolationField, // Callee Isolation if we have one. Unspecified otherwise.
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BCArray<ValueIDField> // a list of arguments
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>;
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// SIL instructions with one type. (alloc_stack)
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using SILOneTypeLayout = BCRecordLayout<SIL_ONE_TYPE, SILInstOpCodeField,
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BCFixed<4>, // Optional attributes
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TypeIDField, SILTypeCategoryField>;
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// SIL instructions with one typed valueref. (dealloc_stack, return)
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using SILOneOperandLayout =
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BCRecordLayout<SIL_ONE_OPERAND, SILInstOpCodeField,
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BCFixed<4>, // Optional attributes
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TypeIDField, SILTypeCategoryField, ValueIDField>;
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using SILOneOperandExtraAttributeLayout = BCRecordLayout<
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SIL_ONE_OPERAND_EXTRA_ATTR,
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SILInstOpCodeField,
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BCFixed<7>, // Optional attributes
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TypeIDField, SILTypeCategoryField, ValueIDField
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>;
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// SIL instructions with one type, one typed valueref, and extra bits.
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using SILOneTypeOneOperandExtraAttributeLayout =
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BCRecordLayout<SIL_ONE_TYPE_ONE_OPERAND_EXTRA_ATTR, SILInstOpCodeField,
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BCFixed<10>, // Optional attributes
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TypeIDField, SILTypeCategoryField, TypeIDField,
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SILTypeCategoryField, ValueIDField>;
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// SIL instructions with two typed values.
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using SILTwoOperandsLayout = BCRecordLayout<
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SIL_TWO_OPERANDS,
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SILInstOpCodeField,
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BCFixed<2>, // Optional attributes
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField,
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField
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>;
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using SILTwoOperandsExtraAttributeLayout = BCRecordLayout<
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SIL_TWO_OPERANDS_EXTRA_ATTR,
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SILInstOpCodeField,
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BCFixed<7>, // Optional attributes
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField,
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField
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>;
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// The pack_element_get instruction.
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using SILOpenPackElementLayout = BCRecordLayout<
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SIL_OPEN_PACK_ELEMENT,
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GenericEnvironmentIDField,
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TypeIDField,
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SILTypeCategoryField,
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ValueIDField
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>;
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// The pack_element_get instruction.
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using SILPackElementGetLayout = BCRecordLayout<
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SIL_PACK_ELEMENT_GET,
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SILInstOpCodeField,
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TypeIDField, // element type
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SILTypeCategoryField, // element type category
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TypeIDField, // pack type
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SILTypeCategoryField, // pack type category
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ValueIDField, // pack value
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ValueIDField // index value
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>;
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// The pack_element_set instruction.
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using SILPackElementSetLayout = BCRecordLayout<
|
|
SIL_PACK_ELEMENT_SET,
|
|
TypeIDField, // element type
|
|
SILTypeCategoryField, // element type category
|
|
ValueIDField, // element value
|
|
TypeIDField, // pack type
|
|
SILTypeCategoryField, // pack type category
|
|
ValueIDField, // pack value
|
|
ValueIDField // index value
|
|
>;
|
|
|
|
// The tail_addr instruction.
|
|
using SILTailAddrLayout = BCRecordLayout<
|
|
SIL_TAIL_ADDR,
|
|
SILInstOpCodeField,
|
|
TypeIDField, // Base operand
|
|
ValueIDField,
|
|
TypeIDField, // Count operand
|
|
ValueIDField,
|
|
TypeIDField // Result type
|
|
>;
|
|
|
|
using SILInstWitnessMethodLayout = BCRecordLayout<
|
|
SIL_INST_WITNESS_METHOD,
|
|
TypeIDField, // result type
|
|
SILTypeCategoryField,
|
|
BCFixed<1>, // volatile?
|
|
TypeIDField, // lookup type
|
|
SILTypeCategoryField,
|
|
TypeIDField, // Optional
|
|
SILTypeCategoryField, // opened
|
|
ValueIDField, // existential
|
|
ProtocolConformanceIDField, // conformance
|
|
BCArray<ValueIDField> // SILDeclRef
|
|
>;
|
|
|
|
using SILInstDifferentiableFunctionLayout = BCRecordLayout<
|
|
SIL_INST_DIFFERENTIABLE_FUNCTION,
|
|
BCVBR<8>, // number of function parameters
|
|
BCVBR<8>, // number of function results
|
|
BCVBR<8>, // number of differentiability parameters
|
|
BCFixed<1>, // has derivative functions?
|
|
BCArray<ValueIDField> // parameter indices and operands
|
|
>;
|
|
|
|
using SILInstLinearFunctionLayout = BCRecordLayout<
|
|
SIL_INST_LINEAR_FUNCTION,
|
|
BCVBR<8>, // number of function parameters
|
|
BCFixed<1>, // has transpose function?
|
|
BCArray<ValueIDField> // parameter indices and operands
|
|
>;
|
|
|
|
using SILInstDifferentiableFunctionExtractLayout = BCRecordLayout<
|
|
SIL_INST_DIFFERENTIABLE_FUNCTION_EXTRACT,
|
|
TypeIDField,
|
|
SILTypeCategoryField,
|
|
ValueIDField,
|
|
BCFixed<2>, // extractee
|
|
BCFixed<1>, // has explicit extractee type?
|
|
TypeIDField // explicit extractee type
|
|
>;
|
|
|
|
using SILInstLinearFunctionExtractLayout = BCRecordLayout<
|
|
SIL_INST_LINEAR_FUNCTION_EXTRACT,
|
|
TypeIDField,
|
|
SILTypeCategoryField,
|
|
ValueIDField,
|
|
BCFixed<1> // extractee
|
|
>;
|
|
|
|
using SILInstIncrementProfilerCounterLayout = BCRecordLayout<
|
|
SIL_INST_INCREMENT_PROFILER_COUNTER,
|
|
IdentifierIDField, // PGO func name
|
|
IdentifierIDField, // PGO func hash
|
|
BCVBR<8>, // counter index
|
|
BCVBR<8> // num counters
|
|
>;
|
|
|
|
using SILInstHasSymbolLayout = BCRecordLayout<
|
|
SIL_INST_HAS_SYMBOL,
|
|
ValueIDField, // decl
|
|
BCArray<IdentifierIDField> // referenced functions
|
|
>;
|
|
|
|
using SILTypeValueLayout = BCRecordLayout<
|
|
SIL_TYPE_VALUE,
|
|
TypeIDField, // Value type
|
|
SILTypeCategoryField,
|
|
TypeIDField // Generic type
|
|
>;
|
|
|
|
// clang-format on
|
|
}
|
|
|
|
} // end namespace serialization
|
|
} // end namespace swift
|
|
|
|
#endif
|