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The begin_apply token represents the borrow scope of all owned and guaranteed call arguments. Although SILToken is (currently) trivially typed, it must have guaranteed ownership so end_apply and abort_apply will be recognized as lifetime-ending uses.
2883 lines
121 KiB
C++
2883 lines
121 KiB
C++
//===--- SILInstructions.cpp - Instructions for SIL code ------------------===//
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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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// This file defines the high-level SILInstruction classes used for SIL code.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/Expr.h"
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#include "swift/AST/ProtocolConformance.h"
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#include "swift/Basic/AssertImplements.h"
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#include "swift/Basic/Unicode.h"
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#include "swift/Basic/type_traits.h"
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#include "swift/SIL/FormalLinkage.h"
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#include "swift/SIL/Projection.h"
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#include "swift/SIL/SILBuilder.h"
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#include "swift/SIL/SILCloner.h"
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SIL/SILModule.h"
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#include "swift/SIL/SILVisitor.h"
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#include "llvm/ADT/APInt.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace swift;
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using namespace Lowering;
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/// Allocate an instruction that inherits from llvm::TrailingObjects<>.
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template <class Inst, class... TrailingTypes, class... CountTypes>
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static void *allocateTrailingInst(SILFunction &F, CountTypes... counts) {
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return F.getModule().allocateInst(
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Inst::template totalSizeToAlloc<TrailingTypes...>(counts...),
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alignof(Inst));
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}
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// Collect used open archetypes from a given type into the \p openedArchetypes.
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// \p openedArchetypes is being used as a set. We don't use a real set type here
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// for performance reasons.
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static void
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collectDependentTypeInfo(CanType Ty,
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SmallVectorImpl<CanArchetypeType> &openedArchetypes,
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bool &hasDynamicSelf) {
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if (!Ty)
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return;
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if (Ty->hasDynamicSelfType())
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hasDynamicSelf = true;
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if (!Ty->hasOpenedExistential())
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return;
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Ty.visit([&](CanType t) {
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if (t->isOpenedExistential()) {
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// Add this opened archetype if it was not seen yet.
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// We don't use a set here, because the number of open archetypes
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// is usually very small and using a real set may introduce too
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// much overhead.
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auto archetypeTy = cast<ArchetypeType>(t);
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if (std::find(openedArchetypes.begin(), openedArchetypes.end(),
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archetypeTy) == openedArchetypes.end())
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openedArchetypes.push_back(archetypeTy);
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}
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});
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}
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// Takes a set of open archetypes as input and produces a set of
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// references to open archetype definitions.
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static void buildTypeDependentOperands(
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SmallVectorImpl<CanArchetypeType> &OpenedArchetypes,
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bool hasDynamicSelf,
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SmallVectorImpl<SILValue> &TypeDependentOperands,
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SILOpenedArchetypesState &OpenedArchetypesState, SILFunction &F) {
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for (auto archetype : OpenedArchetypes) {
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auto Def = OpenedArchetypesState.getOpenedArchetypeDef(archetype);
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assert(Def);
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assert(getOpenedArchetypeOf(Def->getType().getASTType()) &&
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"Opened archetype operands should be of an opened existential type");
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TypeDependentOperands.push_back(Def);
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}
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if (hasDynamicSelf)
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TypeDependentOperands.push_back(F.getDynamicSelfMetadata());
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}
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// Collects all opened archetypes from a type and a substitutions list and form
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// a corresponding list of opened archetype operands.
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// We need to know the number of opened archetypes to estimate
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// the number of opened archetype operands for the instruction
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// being formed, because we need to reserve enough memory
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// for these operands.
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static void collectTypeDependentOperands(
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SmallVectorImpl<SILValue> &TypeDependentOperands,
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SILOpenedArchetypesState &OpenedArchetypesState,
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SILFunction &F,
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CanType Ty,
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SubstitutionMap subs = { }) {
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SmallVector<CanArchetypeType, 4> openedArchetypes;
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bool hasDynamicSelf = false;
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collectDependentTypeInfo(Ty, openedArchetypes, hasDynamicSelf);
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for (Type replacement : subs.getReplacementTypes()) {
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// Substitutions in SIL should really be canonical.
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auto ReplTy = replacement->getCanonicalType();
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collectDependentTypeInfo(ReplTy, openedArchetypes, hasDynamicSelf);
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}
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buildTypeDependentOperands(openedArchetypes, hasDynamicSelf,
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TypeDependentOperands,
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OpenedArchetypesState, F);
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}
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//===----------------------------------------------------------------------===//
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// SILInstruction Subclasses
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//===----------------------------------------------------------------------===//
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template <typename INST>
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static void *allocateDebugVarCarryingInst(SILModule &M,
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Optional<SILDebugVariable> Var,
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ArrayRef<SILValue> Operands = {}) {
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return M.allocateInst(sizeof(INST) + (Var ? Var->Name.size() : 0) +
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sizeof(Operand) * Operands.size(),
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alignof(INST));
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}
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TailAllocatedDebugVariable::TailAllocatedDebugVariable(
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Optional<SILDebugVariable> Var, char *buf) {
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if (!Var) {
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Bits.RawValue = 0;
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return;
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}
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Bits.Data.HasValue = true;
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Bits.Data.Constant = Var->Constant;
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Bits.Data.ArgNo = Var->ArgNo;
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Bits.Data.NameLength = Var->Name.size();
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assert(Bits.Data.ArgNo == Var->ArgNo && "Truncation");
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assert(Bits.Data.NameLength == Var->Name.size() && "Truncation");
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memcpy(buf, Var->Name.data(), Bits.Data.NameLength);
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}
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StringRef TailAllocatedDebugVariable::getName(const char *buf) const {
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if (Bits.Data.NameLength)
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return StringRef(buf, Bits.Data.NameLength);
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return StringRef();
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}
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AllocStackInst::AllocStackInst(SILDebugLocation Loc, SILType elementType,
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ArrayRef<SILValue> TypeDependentOperands,
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SILFunction &F,
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Optional<SILDebugVariable> Var,
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bool hasDynamicLifetime)
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: InstructionBase(Loc, elementType.getAddressType()),
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dynamicLifetime(hasDynamicLifetime) {
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SILInstruction::Bits.AllocStackInst.NumOperands =
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TypeDependentOperands.size();
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assert(SILInstruction::Bits.AllocStackInst.NumOperands ==
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TypeDependentOperands.size() && "Truncation");
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SILInstruction::Bits.AllocStackInst.VarInfo =
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TailAllocatedDebugVariable(Var, getTrailingObjects<char>()).getRawValue();
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TrailingOperandsList::InitOperandsList(getAllOperands().begin(), this,
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TypeDependentOperands);
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}
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AllocStackInst *
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AllocStackInst::create(SILDebugLocation Loc,
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SILType elementType, SILFunction &F,
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SILOpenedArchetypesState &OpenedArchetypes,
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Optional<SILDebugVariable> Var,
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bool hasDynamicLifetime) {
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SmallVector<SILValue, 8> TypeDependentOperands;
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collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
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elementType.getASTType());
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void *Buffer = allocateDebugVarCarryingInst<AllocStackInst>(
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F.getModule(), Var, TypeDependentOperands);
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return ::new (Buffer)
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AllocStackInst(Loc, elementType, TypeDependentOperands, F, Var,
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hasDynamicLifetime);
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}
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VarDecl *AllocationInst::getDecl() const {
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return getLoc().getAsASTNode<VarDecl>();
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}
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DeallocStackInst *AllocStackInst::getSingleDeallocStack() const {
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DeallocStackInst *Dealloc = nullptr;
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for (auto *U : getUses()) {
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if (auto DS = dyn_cast<DeallocStackInst>(U->getUser())) {
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if (Dealloc == nullptr) {
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Dealloc = DS;
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continue;
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}
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// Already saw a dealloc_stack.
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return nullptr;
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}
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}
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return Dealloc;
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}
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AllocRefInstBase::AllocRefInstBase(SILInstructionKind Kind,
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SILDebugLocation Loc,
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SILType ObjectType,
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bool objc, bool canBeOnStack,
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ArrayRef<SILType> ElementTypes)
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: AllocationInst(Kind, Loc, ObjectType) {
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SILInstruction::Bits.AllocRefInstBase.ObjC = objc;
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SILInstruction::Bits.AllocRefInstBase.OnStack = canBeOnStack;
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SILInstruction::Bits.AllocRefInstBase.NumTailTypes = ElementTypes.size();
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assert(SILInstruction::Bits.AllocRefInstBase.NumTailTypes ==
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ElementTypes.size() && "Truncation");
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assert(!objc || ElementTypes.empty());
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}
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AllocRefInst *AllocRefInst::create(SILDebugLocation Loc, SILFunction &F,
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SILType ObjectType,
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bool objc, bool canBeOnStack,
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ArrayRef<SILType> ElementTypes,
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ArrayRef<SILValue> ElementCountOperands,
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SILOpenedArchetypesState &OpenedArchetypes) {
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assert(ElementTypes.size() == ElementCountOperands.size());
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assert(!objc || ElementTypes.empty());
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SmallVector<SILValue, 8> AllOperands(ElementCountOperands.begin(),
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ElementCountOperands.end());
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for (SILType ElemType : ElementTypes) {
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collectTypeDependentOperands(AllOperands, OpenedArchetypes, F,
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ElemType.getASTType());
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}
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collectTypeDependentOperands(AllOperands, OpenedArchetypes, F,
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ObjectType.getASTType());
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auto Size = totalSizeToAlloc<swift::Operand, SILType>(AllOperands.size(),
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ElementTypes.size());
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auto Buffer = F.getModule().allocateInst(Size, alignof(AllocRefInst));
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return ::new (Buffer) AllocRefInst(Loc, F, ObjectType, objc, canBeOnStack,
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ElementTypes, AllOperands);
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}
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AllocRefDynamicInst *
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AllocRefDynamicInst::create(SILDebugLocation DebugLoc, SILFunction &F,
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SILValue metatypeOperand, SILType ty, bool objc,
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ArrayRef<SILType> ElementTypes,
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ArrayRef<SILValue> ElementCountOperands,
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SILOpenedArchetypesState &OpenedArchetypes) {
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SmallVector<SILValue, 8> AllOperands(ElementCountOperands.begin(),
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ElementCountOperands.end());
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AllOperands.push_back(metatypeOperand);
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collectTypeDependentOperands(AllOperands, OpenedArchetypes, F,
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ty.getASTType());
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for (SILType ElemType : ElementTypes) {
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collectTypeDependentOperands(AllOperands, OpenedArchetypes, F,
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ElemType.getASTType());
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}
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auto Size = totalSizeToAlloc<swift::Operand, SILType>(AllOperands.size(),
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ElementTypes.size());
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auto Buffer = F.getModule().allocateInst(Size, alignof(AllocRefDynamicInst));
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return ::new (Buffer)
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AllocRefDynamicInst(DebugLoc, ty, objc, ElementTypes, AllOperands);
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}
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AllocBoxInst::AllocBoxInst(SILDebugLocation Loc, CanSILBoxType BoxType,
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ArrayRef<SILValue> TypeDependentOperands,
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SILFunction &F, Optional<SILDebugVariable> Var,
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bool hasDynamicLifetime)
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: InstructionBaseWithTrailingOperands(TypeDependentOperands, Loc,
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SILType::getPrimitiveObjectType(BoxType)),
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VarInfo(Var, getTrailingObjects<char>()),
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dynamicLifetime(hasDynamicLifetime) {
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}
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AllocBoxInst *AllocBoxInst::create(SILDebugLocation Loc,
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CanSILBoxType BoxType,
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SILFunction &F,
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SILOpenedArchetypesState &OpenedArchetypes,
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Optional<SILDebugVariable> Var,
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bool hasDynamicLifetime) {
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SmallVector<SILValue, 8> TypeDependentOperands;
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collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
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BoxType);
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auto Sz = totalSizeToAlloc<swift::Operand, char>(TypeDependentOperands.size(),
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Var ? Var->Name.size() : 0);
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auto Buf = F.getModule().allocateInst(Sz, alignof(AllocBoxInst));
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return ::new (Buf) AllocBoxInst(Loc, BoxType, TypeDependentOperands, F, Var,
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hasDynamicLifetime);
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}
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SILType AllocBoxInst::getAddressType() const {
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return getSILBoxFieldType(TypeExpansionContext(*this->getFunction()),
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getBoxType(), getModule().Types, 0)
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.getAddressType();
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}
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DebugValueInst::DebugValueInst(SILDebugLocation DebugLoc, SILValue Operand,
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SILDebugVariable Var)
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: UnaryInstructionBase(DebugLoc, Operand),
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VarInfo(Var, getTrailingObjects<char>()) {}
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DebugValueInst *DebugValueInst::create(SILDebugLocation DebugLoc,
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SILValue Operand, SILModule &M,
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SILDebugVariable Var) {
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void *buf = allocateDebugVarCarryingInst<DebugValueInst>(M, Var);
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return ::new (buf) DebugValueInst(DebugLoc, Operand, Var);
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}
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DebugValueAddrInst::DebugValueAddrInst(SILDebugLocation DebugLoc,
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SILValue Operand,
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SILDebugVariable Var)
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: UnaryInstructionBase(DebugLoc, Operand),
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VarInfo(Var, getTrailingObjects<char>()) {}
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DebugValueAddrInst *DebugValueAddrInst::create(SILDebugLocation DebugLoc,
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SILValue Operand, SILModule &M,
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SILDebugVariable Var) {
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void *buf = allocateDebugVarCarryingInst<DebugValueAddrInst>(M, Var);
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return ::new (buf) DebugValueAddrInst(DebugLoc, Operand, Var);
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}
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VarDecl *DebugValueInst::getDecl() const {
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return getLoc().getAsASTNode<VarDecl>();
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}
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VarDecl *DebugValueAddrInst::getDecl() const {
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return getLoc().getAsASTNode<VarDecl>();
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}
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AllocExistentialBoxInst *AllocExistentialBoxInst::create(
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SILDebugLocation Loc, SILType ExistentialType, CanType ConcreteType,
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ArrayRef<ProtocolConformanceRef> Conformances,
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SILFunction *F,
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SILOpenedArchetypesState &OpenedArchetypes) {
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SmallVector<SILValue, 8> TypeDependentOperands;
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collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
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ConcreteType);
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SILModule &Mod = F->getModule();
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auto Size = totalSizeToAlloc<swift::Operand>(TypeDependentOperands.size());
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auto Buffer = Mod.allocateInst(Size, alignof(AllocExistentialBoxInst));
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return ::new (Buffer) AllocExistentialBoxInst(Loc,
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ExistentialType,
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ConcreteType,
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Conformances,
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TypeDependentOperands,
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F);
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}
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AllocValueBufferInst::AllocValueBufferInst(
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SILDebugLocation DebugLoc, SILType valueType, SILValue operand,
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ArrayRef<SILValue> TypeDependentOperands)
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: UnaryInstructionWithTypeDependentOperandsBase(DebugLoc, operand,
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TypeDependentOperands,
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valueType.getAddressType()) {}
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AllocValueBufferInst *
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AllocValueBufferInst::create(SILDebugLocation DebugLoc, SILType valueType,
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SILValue operand, SILFunction &F,
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SILOpenedArchetypesState &OpenedArchetypes) {
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SmallVector<SILValue, 8> TypeDependentOperands;
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collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
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valueType.getASTType());
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void *Buffer = F.getModule().allocateInst(
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sizeof(AllocValueBufferInst) +
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sizeof(Operand) * (TypeDependentOperands.size() + 1),
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alignof(AllocValueBufferInst));
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return ::new (Buffer) AllocValueBufferInst(DebugLoc, valueType, operand,
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TypeDependentOperands);
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}
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BuiltinInst *BuiltinInst::create(SILDebugLocation Loc, Identifier Name,
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SILType ReturnType,
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SubstitutionMap Substitutions,
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ArrayRef<SILValue> Args,
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SILModule &M) {
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auto Size = totalSizeToAlloc<swift::Operand>(Args.size());
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auto Buffer = M.allocateInst(Size, alignof(BuiltinInst));
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return ::new (Buffer) BuiltinInst(Loc, Name, ReturnType, Substitutions,
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Args);
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}
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BuiltinInst::BuiltinInst(SILDebugLocation Loc, Identifier Name,
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SILType ReturnType, SubstitutionMap Subs,
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ArrayRef<SILValue> Args)
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: InstructionBaseWithTrailingOperands(Args, Loc, ReturnType), Name(Name),
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Substitutions(Subs) {
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}
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InitBlockStorageHeaderInst *
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InitBlockStorageHeaderInst::create(SILFunction &F,
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SILDebugLocation DebugLoc, SILValue BlockStorage,
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SILValue InvokeFunction, SILType BlockType,
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SubstitutionMap Subs) {
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void *Buffer = F.getModule().allocateInst(
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sizeof(InitBlockStorageHeaderInst),
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alignof(InitBlockStorageHeaderInst));
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return ::new (Buffer) InitBlockStorageHeaderInst(DebugLoc, BlockStorage,
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InvokeFunction, BlockType,
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Subs);
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}
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ApplyInst::ApplyInst(SILDebugLocation Loc, SILValue Callee,
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SILType SubstCalleeTy, SILType Result,
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SubstitutionMap Subs,
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ArrayRef<SILValue> Args,
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ArrayRef<SILValue> TypeDependentOperands,
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bool isNonThrowing,
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const GenericSpecializationInformation *SpecializationInfo)
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: InstructionBase(Loc, Callee, SubstCalleeTy, Subs, Args,
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TypeDependentOperands, SpecializationInfo, Result) {
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setNonThrowing(isNonThrowing);
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assert(!SubstCalleeTy.castTo<SILFunctionType>()->isCoroutine());
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}
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ApplyInst *
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ApplyInst::create(SILDebugLocation Loc, SILValue Callee, SubstitutionMap Subs,
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ArrayRef<SILValue> Args, bool isNonThrowing,
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Optional<SILModuleConventions> ModuleConventions,
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SILFunction &F, SILOpenedArchetypesState &OpenedArchetypes,
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const GenericSpecializationInformation *SpecializationInfo) {
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SILType SubstCalleeSILTy = Callee->getType().substGenericArgs(
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F.getModule(), Subs, F.getTypeExpansionContext());
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auto SubstCalleeTy = SubstCalleeSILTy.getAs<SILFunctionType>();
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SILFunctionConventions Conv(SubstCalleeTy,
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ModuleConventions.hasValue()
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? ModuleConventions.getValue()
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: SILModuleConventions(F.getModule()));
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SILType Result = Conv.getSILResultType(F.getTypeExpansionContext());
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SmallVector<SILValue, 32> TypeDependentOperands;
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collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
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SubstCalleeSILTy.getASTType(), Subs);
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void *Buffer =
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allocateTrailingInst<ApplyInst, Operand>(
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F, getNumAllOperands(Args, TypeDependentOperands));
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return ::new(Buffer) ApplyInst(Loc, Callee, SubstCalleeSILTy,
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Result, Subs, Args,
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TypeDependentOperands, isNonThrowing,
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SpecializationInfo);
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}
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BeginApplyInst::BeginApplyInst(SILDebugLocation loc, SILValue callee,
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SILType substCalleeTy,
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ArrayRef<SILType> allResultTypes,
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ArrayRef<ValueOwnershipKind> allResultOwnerships,
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SubstitutionMap subs,
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ArrayRef<SILValue> args,
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ArrayRef<SILValue> typeDependentOperands,
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bool isNonThrowing,
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const GenericSpecializationInformation *specializationInfo)
|
|
: InstructionBase(loc, callee, substCalleeTy, subs, args,
|
|
typeDependentOperands, specializationInfo),
|
|
MultipleValueInstructionTrailingObjects(this, allResultTypes,
|
|
allResultOwnerships) {
|
|
setNonThrowing(isNonThrowing);
|
|
assert(substCalleeTy.castTo<SILFunctionType>()->isCoroutine());
|
|
}
|
|
|
|
BeginApplyInst *
|
|
BeginApplyInst::create(SILDebugLocation loc, SILValue callee,
|
|
SubstitutionMap subs, ArrayRef<SILValue> args,
|
|
bool isNonThrowing,
|
|
Optional<SILModuleConventions> moduleConventions,
|
|
SILFunction &F,
|
|
SILOpenedArchetypesState &openedArchetypes,
|
|
const GenericSpecializationInformation *specializationInfo) {
|
|
SILType substCalleeSILType = callee->getType().substGenericArgs(
|
|
F.getModule(), subs, F.getTypeExpansionContext());
|
|
auto substCalleeType = substCalleeSILType.castTo<SILFunctionType>();
|
|
|
|
SILFunctionConventions conv(substCalleeType,
|
|
moduleConventions.hasValue()
|
|
? moduleConventions.getValue()
|
|
: SILModuleConventions(F.getModule()));
|
|
|
|
SmallVector<SILType, 8> resultTypes;
|
|
SmallVector<ValueOwnershipKind, 8> resultOwnerships;
|
|
|
|
for (auto &yield : substCalleeType->getYields()) {
|
|
auto yieldType = conv.getSILType(yield, F.getTypeExpansionContext());
|
|
auto convention = SILArgumentConvention(yield.getConvention());
|
|
resultTypes.push_back(yieldType);
|
|
resultOwnerships.push_back(
|
|
ValueOwnershipKind(F, yieldType, convention));
|
|
}
|
|
|
|
resultTypes.push_back(SILType::getSILTokenType(F.getASTContext()));
|
|
// The begin_apply token represents the borrow scope of all owned and
|
|
// guaranteed call arguments. Although SILToken is (currently) trivially
|
|
// typed, it must have guaranteed ownership so end_apply and abort_apply will
|
|
// be recognized as lifetime-ending uses.
|
|
resultOwnerships.push_back(OwnershipKind::Guaranteed);
|
|
|
|
SmallVector<SILValue, 32> typeDependentOperands;
|
|
collectTypeDependentOperands(typeDependentOperands, openedArchetypes, F,
|
|
substCalleeType, subs);
|
|
void *buffer =
|
|
allocateTrailingInst<BeginApplyInst, Operand,
|
|
MultipleValueInstruction*, BeginApplyResult>(
|
|
F, getNumAllOperands(args, typeDependentOperands),
|
|
1, resultTypes.size());
|
|
return ::new(buffer) BeginApplyInst(loc, callee, substCalleeSILType,
|
|
resultTypes, resultOwnerships, subs,
|
|
args, typeDependentOperands,
|
|
isNonThrowing, specializationInfo);
|
|
}
|
|
|
|
void BeginApplyInst::getCoroutineEndPoints(
|
|
SmallVectorImpl<EndApplyInst *> &endApplyInsts,
|
|
SmallVectorImpl<AbortApplyInst *> &abortApplyInsts) const {
|
|
for (auto *tokenUse : getTokenResult()->getUses()) {
|
|
auto *user = tokenUse->getUser();
|
|
if (auto *end = dyn_cast<EndApplyInst>(user)) {
|
|
endApplyInsts.push_back(end);
|
|
continue;
|
|
}
|
|
|
|
abortApplyInsts.push_back(cast<AbortApplyInst>(user));
|
|
}
|
|
}
|
|
|
|
void BeginApplyInst::getCoroutineEndPoints(
|
|
SmallVectorImpl<Operand *> &endApplyInsts,
|
|
SmallVectorImpl<Operand *> &abortApplyInsts) const {
|
|
for (auto *tokenUse : getTokenResult()->getUses()) {
|
|
auto *user = tokenUse->getUser();
|
|
if (isa<EndApplyInst>(user)) {
|
|
endApplyInsts.push_back(tokenUse);
|
|
continue;
|
|
}
|
|
|
|
assert(isa<AbortApplyInst>(user));
|
|
abortApplyInsts.push_back(tokenUse);
|
|
}
|
|
}
|
|
|
|
bool swift::doesApplyCalleeHaveSemantics(SILValue callee, StringRef semantics) {
|
|
if (auto *FRI = dyn_cast<FunctionRefBaseInst>(callee))
|
|
if (auto *F = FRI->getReferencedFunctionOrNull())
|
|
return F->hasSemanticsAttr(semantics);
|
|
return false;
|
|
}
|
|
|
|
PartialApplyInst::PartialApplyInst(
|
|
SILDebugLocation Loc, SILValue Callee, SILType SubstCalleeTy,
|
|
SubstitutionMap Subs, ArrayRef<SILValue> Args,
|
|
ArrayRef<SILValue> TypeDependentOperands, SILType ClosureType,
|
|
const GenericSpecializationInformation *SpecializationInfo)
|
|
// FIXME: the callee should have a lowered SIL function type, and
|
|
// PartialApplyInst
|
|
// should derive the type of its result by partially applying the callee's
|
|
// type.
|
|
: InstructionBase(Loc, Callee, SubstCalleeTy, Subs, Args,
|
|
TypeDependentOperands, SpecializationInfo, ClosureType) {}
|
|
|
|
PartialApplyInst *PartialApplyInst::create(
|
|
SILDebugLocation Loc, SILValue Callee, ArrayRef<SILValue> Args,
|
|
SubstitutionMap Subs, ParameterConvention CalleeConvention, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes,
|
|
const GenericSpecializationInformation *SpecializationInfo,
|
|
OnStackKind onStack) {
|
|
SILType SubstCalleeTy = Callee->getType().substGenericArgs(
|
|
F.getModule(), Subs, F.getTypeExpansionContext());
|
|
|
|
SILType ClosureType = SILBuilder::getPartialApplyResultType(
|
|
F.getTypeExpansionContext(), SubstCalleeTy, Args.size(), F.getModule(), {},
|
|
CalleeConvention, onStack);
|
|
|
|
SmallVector<SILValue, 32> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
SubstCalleeTy.getASTType(), Subs);
|
|
void *Buffer =
|
|
allocateTrailingInst<PartialApplyInst, Operand>(
|
|
F, getNumAllOperands(Args, TypeDependentOperands));
|
|
return ::new(Buffer) PartialApplyInst(Loc, Callee, SubstCalleeTy,
|
|
Subs, Args,
|
|
TypeDependentOperands, ClosureType,
|
|
SpecializationInfo);
|
|
}
|
|
|
|
TryApplyInstBase::TryApplyInstBase(SILInstructionKind kind,
|
|
SILDebugLocation loc,
|
|
SILBasicBlock *normalBB,
|
|
SILBasicBlock *errorBB)
|
|
: TermInst(kind, loc), DestBBs{{{this, normalBB}, {this, errorBB}}} {}
|
|
|
|
TryApplyInst::TryApplyInst(
|
|
SILDebugLocation Loc, SILValue callee, SILType substCalleeTy,
|
|
SubstitutionMap subs, ArrayRef<SILValue> args,
|
|
ArrayRef<SILValue> TypeDependentOperands, SILBasicBlock *normalBB,
|
|
SILBasicBlock *errorBB,
|
|
const GenericSpecializationInformation *SpecializationInfo)
|
|
: InstructionBase(Loc, callee, substCalleeTy, subs, args,
|
|
TypeDependentOperands, SpecializationInfo, normalBB,
|
|
errorBB) {}
|
|
|
|
TryApplyInst *TryApplyInst::create(
|
|
SILDebugLocation loc, SILValue callee, SubstitutionMap subs,
|
|
ArrayRef<SILValue> args, SILBasicBlock *normalBB, SILBasicBlock *errorBB,
|
|
SILFunction &F, SILOpenedArchetypesState &openedArchetypes,
|
|
const GenericSpecializationInformation *specializationInfo) {
|
|
SILType substCalleeTy = callee->getType().substGenericArgs(
|
|
F.getModule(), subs, F.getTypeExpansionContext());
|
|
|
|
SmallVector<SILValue, 32> typeDependentOperands;
|
|
collectTypeDependentOperands(typeDependentOperands, openedArchetypes, F,
|
|
substCalleeTy.getASTType(),
|
|
subs);
|
|
void *buffer =
|
|
allocateTrailingInst<TryApplyInst, Operand>(
|
|
F, getNumAllOperands(args, typeDependentOperands));
|
|
return ::new (buffer) TryApplyInst(loc, callee, substCalleeTy, subs, args,
|
|
typeDependentOperands,
|
|
normalBB, errorBB, specializationInfo);
|
|
}
|
|
|
|
SILType DifferentiableFunctionInst::getDifferentiableFunctionType(
|
|
SILValue OriginalFunction, IndexSubset *ParameterIndices,
|
|
IndexSubset *ResultIndices) {
|
|
assert(!ResultIndices->isEmpty());
|
|
auto fnTy = OriginalFunction->getType().castTo<SILFunctionType>();
|
|
auto diffTy = fnTy->getWithDifferentiability(DifferentiabilityKind::Normal,
|
|
ParameterIndices, ResultIndices);
|
|
return SILType::getPrimitiveObjectType(diffTy);
|
|
}
|
|
|
|
ValueOwnershipKind DifferentiableFunctionInst::getMergedOwnershipKind(
|
|
SILValue OriginalFunction, ArrayRef<SILValue> DerivativeFunctions) {
|
|
if (DerivativeFunctions.empty())
|
|
return OriginalFunction.getOwnershipKind();
|
|
return mergeSILValueOwnership(
|
|
{OriginalFunction, DerivativeFunctions[0], DerivativeFunctions[1]});
|
|
}
|
|
|
|
DifferentiableFunctionInst::DifferentiableFunctionInst(
|
|
SILDebugLocation Loc, IndexSubset *ParameterIndices,
|
|
IndexSubset *ResultIndices, SILValue OriginalFunction,
|
|
ArrayRef<SILValue> DerivativeFunctions, bool HasOwnership)
|
|
: InstructionBaseWithTrailingOperands(
|
|
OriginalFunction, DerivativeFunctions, Loc,
|
|
getDifferentiableFunctionType(OriginalFunction, ParameterIndices,
|
|
ResultIndices),
|
|
HasOwnership
|
|
? getMergedOwnershipKind(OriginalFunction, DerivativeFunctions)
|
|
: ValueOwnershipKind(OwnershipKind::None)),
|
|
ParameterIndices(ParameterIndices), ResultIndices(ResultIndices),
|
|
HasDerivativeFunctions(!DerivativeFunctions.empty()) {
|
|
assert(DerivativeFunctions.empty() || DerivativeFunctions.size() == 2);
|
|
}
|
|
|
|
DifferentiableFunctionInst *DifferentiableFunctionInst::create(
|
|
SILModule &Module, SILDebugLocation Loc, IndexSubset *ParameterIndices,
|
|
IndexSubset *ResultIndices, SILValue OriginalFunction,
|
|
Optional<std::pair<SILValue, SILValue>> VJPAndJVPFunctions,
|
|
bool HasOwnership) {
|
|
auto derivativeFunctions =
|
|
VJPAndJVPFunctions.hasValue()
|
|
? ArrayRef<SILValue>(
|
|
reinterpret_cast<SILValue *>(VJPAndJVPFunctions.getPointer()),
|
|
2)
|
|
: ArrayRef<SILValue>();
|
|
size_t size = totalSizeToAlloc<Operand>(1 + derivativeFunctions.size());
|
|
void *buffer = Module.allocateInst(size, alignof(DifferentiableFunctionInst));
|
|
return ::new (buffer) DifferentiableFunctionInst(
|
|
Loc, ParameterIndices, ResultIndices, OriginalFunction,
|
|
derivativeFunctions, HasOwnership);
|
|
}
|
|
|
|
SILType LinearFunctionInst::getLinearFunctionType(
|
|
SILValue OriginalFunction, IndexSubset *ParameterIndices) {
|
|
auto fnTy = OriginalFunction->getType().castTo<SILFunctionType>();
|
|
auto *resultIndices =
|
|
IndexSubset::get(fnTy->getASTContext(), /*capacity*/ 1, /*indices*/ {0});
|
|
auto diffTy = fnTy->getWithDifferentiability(DifferentiabilityKind::Linear,
|
|
ParameterIndices, resultIndices);
|
|
return SILType::getPrimitiveObjectType(diffTy);
|
|
}
|
|
|
|
LinearFunctionInst::LinearFunctionInst(SILDebugLocation Loc,
|
|
IndexSubset *ParameterIndices,
|
|
SILValue OriginalFunction,
|
|
Optional<SILValue> TransposeFunction,
|
|
bool HasOwnership)
|
|
: InstructionBaseWithTrailingOperands(
|
|
OriginalFunction,
|
|
TransposeFunction.hasValue()
|
|
? ArrayRef<SILValue>(TransposeFunction.getPointer(), 1)
|
|
: ArrayRef<SILValue>(),
|
|
Loc, getLinearFunctionType(OriginalFunction, ParameterIndices),
|
|
HasOwnership
|
|
? (TransposeFunction ? mergeSILValueOwnership(
|
|
{OriginalFunction, *TransposeFunction})
|
|
: mergeSILValueOwnership({OriginalFunction}))
|
|
: ValueOwnershipKind(OwnershipKind::None)),
|
|
ParameterIndices(ParameterIndices),
|
|
HasTransposeFunction(TransposeFunction.hasValue()) {}
|
|
|
|
LinearFunctionInst *LinearFunctionInst::create(
|
|
SILModule &Module, SILDebugLocation Loc, IndexSubset *ParameterIndices,
|
|
SILValue OriginalFunction, Optional<SILValue> TransposeFunction,
|
|
bool HasOwnership) {
|
|
size_t size = totalSizeToAlloc<Operand>(TransposeFunction.hasValue() ? 2 : 1);
|
|
void *buffer = Module.allocateInst(size, alignof(DifferentiableFunctionInst));
|
|
return ::new (buffer) LinearFunctionInst(
|
|
Loc, ParameterIndices, OriginalFunction, TransposeFunction,
|
|
HasOwnership);
|
|
}
|
|
|
|
SILType DifferentiableFunctionExtractInst::getExtracteeType(
|
|
SILValue function, NormalDifferentiableFunctionTypeComponent extractee,
|
|
SILModule &module) {
|
|
auto fnTy = function->getType().castTo<SILFunctionType>();
|
|
assert(fnTy->getDifferentiabilityKind() == DifferentiabilityKind::Normal);
|
|
auto originalFnTy = fnTy->getWithoutDifferentiability();
|
|
auto kindOpt = extractee.getAsDerivativeFunctionKind();
|
|
if (!kindOpt) {
|
|
assert(extractee == NormalDifferentiableFunctionTypeComponent::Original);
|
|
return SILType::getPrimitiveObjectType(originalFnTy);
|
|
}
|
|
auto resultFnTy = originalFnTy->getAutoDiffDerivativeFunctionType(
|
|
fnTy->getDifferentiabilityParameterIndices(),
|
|
fnTy->getDifferentiabilityResultIndices(), *kindOpt, module.Types,
|
|
LookUpConformanceInModule(module.getSwiftModule()));
|
|
return SILType::getPrimitiveObjectType(resultFnTy);
|
|
}
|
|
|
|
DifferentiableFunctionExtractInst::DifferentiableFunctionExtractInst(
|
|
SILModule &module, SILDebugLocation debugLoc,
|
|
NormalDifferentiableFunctionTypeComponent extractee, SILValue function,
|
|
Optional<SILType> extracteeType)
|
|
: UnaryInstructionBase(debugLoc, function,
|
|
extracteeType
|
|
? *extracteeType
|
|
: getExtracteeType(function, extractee, module),
|
|
function.getOwnershipKind()),
|
|
Extractee(extractee), HasExplicitExtracteeType(extracteeType.hasValue()) {
|
|
#ifndef NDEBUG
|
|
if (extracteeType.hasValue()) {
|
|
// Note: explicit extractee type is used to avoid inconsistent typing in:
|
|
// - Canonical SIL, due to generic specialization.
|
|
// - Lowered SIL, due to LoadableByAddress.
|
|
// See `TypeSubstCloner::visitDifferentiableFunctionExtractInst` for an
|
|
// explanation of how explicit extractee type is used.
|
|
assert((module.getStage() == SILStage::Canonical ||
|
|
module.getStage() == SILStage::Lowered) &&
|
|
"Explicit type is valid only in canonical or lowered SIL");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
SILType LinearFunctionExtractInst::
|
|
getExtracteeType(
|
|
SILValue function, LinearDifferentiableFunctionTypeComponent extractee,
|
|
SILModule &module) {
|
|
auto fnTy = function->getType().castTo<SILFunctionType>();
|
|
assert(fnTy->getDifferentiabilityKind() == DifferentiabilityKind::Linear);
|
|
auto originalFnTy = fnTy->getWithoutDifferentiability();
|
|
switch (extractee) {
|
|
case LinearDifferentiableFunctionTypeComponent::Original:
|
|
return SILType::getPrimitiveObjectType(originalFnTy);
|
|
case LinearDifferentiableFunctionTypeComponent::Transpose:
|
|
auto transposeFnTy = originalFnTy->getAutoDiffTransposeFunctionType(
|
|
fnTy->getDifferentiabilityParameterIndices(), module.Types,
|
|
LookUpConformanceInModule(module.getSwiftModule()));
|
|
return SILType::getPrimitiveObjectType(transposeFnTy);
|
|
}
|
|
llvm_unreachable("invalid extractee");
|
|
}
|
|
|
|
LinearFunctionExtractInst::LinearFunctionExtractInst(
|
|
SILModule &module, SILDebugLocation debugLoc,
|
|
LinearDifferentiableFunctionTypeComponent extractee, SILValue function)
|
|
: UnaryInstructionBase(debugLoc, function,
|
|
getExtracteeType(function, extractee, module),
|
|
function.getOwnershipKind()),
|
|
extractee(extractee) {}
|
|
|
|
SILType DifferentiabilityWitnessFunctionInst::getDifferentiabilityWitnessType(
|
|
SILModule &module, DifferentiabilityWitnessFunctionKind witnessKind,
|
|
SILDifferentiabilityWitness *witness) {
|
|
auto fnTy = witness->getOriginalFunction()->getLoweredFunctionType();
|
|
CanGenericSignature witnessCanGenSig;
|
|
if (auto witnessGenSig = witness->getDerivativeGenericSignature())
|
|
witnessCanGenSig = witnessGenSig->getCanonicalSignature();
|
|
auto *parameterIndices = witness->getParameterIndices();
|
|
auto *resultIndices = witness->getResultIndices();
|
|
if (auto derivativeKind = witnessKind.getAsDerivativeFunctionKind()) {
|
|
bool isReabstractionThunk =
|
|
witness->getOriginalFunction()->isThunk() == IsReabstractionThunk;
|
|
auto diffFnTy = fnTy->getAutoDiffDerivativeFunctionType(
|
|
parameterIndices, resultIndices, *derivativeKind, module.Types,
|
|
LookUpConformanceInModule(module.getSwiftModule()), witnessCanGenSig,
|
|
isReabstractionThunk);
|
|
return SILType::getPrimitiveObjectType(diffFnTy);
|
|
}
|
|
assert(witnessKind == DifferentiabilityWitnessFunctionKind::Transpose);
|
|
auto transposeFnTy = fnTy->getAutoDiffTransposeFunctionType(
|
|
parameterIndices, module.Types,
|
|
LookUpConformanceInModule(module.getSwiftModule()), witnessCanGenSig);
|
|
return SILType::getPrimitiveObjectType(transposeFnTy);
|
|
}
|
|
|
|
DifferentiabilityWitnessFunctionInst::DifferentiabilityWitnessFunctionInst(
|
|
SILModule &module, SILDebugLocation debugLoc,
|
|
DifferentiabilityWitnessFunctionKind witnessKind,
|
|
SILDifferentiabilityWitness *witness, Optional<SILType> functionType)
|
|
: InstructionBase(debugLoc, functionType
|
|
? *functionType
|
|
: getDifferentiabilityWitnessType(
|
|
module, witnessKind, witness)),
|
|
witnessKind(witnessKind), witness(witness),
|
|
hasExplicitFunctionType(functionType) {
|
|
assert(witness && "Differentiability witness must not be null");
|
|
#ifndef NDEBUG
|
|
if (functionType.hasValue()) {
|
|
assert(module.getStage() == SILStage::Lowered &&
|
|
"Explicit type is valid only in lowered SIL");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
FunctionRefBaseInst::FunctionRefBaseInst(SILInstructionKind Kind,
|
|
SILDebugLocation DebugLoc,
|
|
SILFunction *F,
|
|
TypeExpansionContext context)
|
|
: LiteralInst(Kind, DebugLoc, F->getLoweredTypeInContext(context)), f(F) {
|
|
F->incrementRefCount();
|
|
}
|
|
|
|
void FunctionRefBaseInst::dropReferencedFunction() {
|
|
if (auto *Function = getInitiallyReferencedFunction())
|
|
Function->decrementRefCount();
|
|
f = nullptr;
|
|
}
|
|
|
|
FunctionRefBaseInst::~FunctionRefBaseInst() {
|
|
if (getInitiallyReferencedFunction())
|
|
getInitiallyReferencedFunction()->decrementRefCount();
|
|
}
|
|
|
|
FunctionRefInst::FunctionRefInst(SILDebugLocation Loc, SILFunction *F,
|
|
TypeExpansionContext context)
|
|
: FunctionRefBaseInst(SILInstructionKind::FunctionRefInst, Loc, F,
|
|
context) {
|
|
assert(!F->isDynamicallyReplaceable());
|
|
}
|
|
|
|
DynamicFunctionRefInst::DynamicFunctionRefInst(SILDebugLocation Loc,
|
|
SILFunction *F,
|
|
TypeExpansionContext context)
|
|
: FunctionRefBaseInst(SILInstructionKind::DynamicFunctionRefInst, Loc, F,
|
|
context) {
|
|
assert(F->isDynamicallyReplaceable());
|
|
}
|
|
|
|
PreviousDynamicFunctionRefInst::PreviousDynamicFunctionRefInst(
|
|
SILDebugLocation Loc, SILFunction *F, TypeExpansionContext context)
|
|
: FunctionRefBaseInst(SILInstructionKind::PreviousDynamicFunctionRefInst,
|
|
Loc, F, context) {
|
|
assert(!F->isDynamicallyReplaceable());
|
|
}
|
|
|
|
AllocGlobalInst::AllocGlobalInst(SILDebugLocation Loc,
|
|
SILGlobalVariable *Global)
|
|
: InstructionBase(Loc),
|
|
Global(Global) {}
|
|
|
|
GlobalAddrInst::GlobalAddrInst(SILDebugLocation DebugLoc,
|
|
SILGlobalVariable *Global,
|
|
TypeExpansionContext context)
|
|
: InstructionBase(DebugLoc,
|
|
Global->getLoweredTypeInContext(context).getAddressType(),
|
|
Global) {}
|
|
|
|
GlobalValueInst::GlobalValueInst(SILDebugLocation DebugLoc,
|
|
SILGlobalVariable *Global,
|
|
TypeExpansionContext context)
|
|
: InstructionBase(DebugLoc,
|
|
Global->getLoweredTypeInContext(context).getObjectType(),
|
|
Global) {}
|
|
|
|
const IntrinsicInfo &BuiltinInst::getIntrinsicInfo() const {
|
|
return getModule().getIntrinsicInfo(getName());
|
|
}
|
|
|
|
const BuiltinInfo &BuiltinInst::getBuiltinInfo() const {
|
|
return getModule().getBuiltinInfo(getName());
|
|
}
|
|
|
|
static unsigned getWordsForBitWidth(unsigned bits) {
|
|
return ((bits + llvm::APInt::APINT_BITS_PER_WORD - 1)
|
|
/ llvm::APInt::APINT_BITS_PER_WORD);
|
|
}
|
|
|
|
template<typename INST>
|
|
static void *allocateLiteralInstWithTextSize(SILModule &M, unsigned length) {
|
|
return M.allocateInst(sizeof(INST) + length, alignof(INST));
|
|
}
|
|
|
|
template<typename INST>
|
|
static void *allocateLiteralInstWithBitSize(SILModule &M, unsigned bits) {
|
|
unsigned words = getWordsForBitWidth(bits);
|
|
return M.allocateInst(
|
|
sizeof(INST) + sizeof(llvm::APInt::WordType)*words, alignof(INST));
|
|
}
|
|
|
|
IntegerLiteralInst::IntegerLiteralInst(SILDebugLocation Loc, SILType Ty,
|
|
const llvm::APInt &Value)
|
|
: InstructionBase(Loc, Ty) {
|
|
SILInstruction::Bits.IntegerLiteralInst.numBits = Value.getBitWidth();
|
|
std::uninitialized_copy_n(Value.getRawData(), Value.getNumWords(),
|
|
getTrailingObjects<llvm::APInt::WordType>());
|
|
}
|
|
|
|
IntegerLiteralInst *IntegerLiteralInst::create(SILDebugLocation Loc,
|
|
SILType Ty, const APInt &Value,
|
|
SILModule &M) {
|
|
#ifndef NDEBUG
|
|
if (auto intTy = Ty.getAs<BuiltinIntegerType>()) {
|
|
assert(intTy->getGreatestWidth() == Value.getBitWidth() &&
|
|
"IntegerLiteralInst APInt value's bit width doesn't match type");
|
|
} else {
|
|
assert(Ty.is<BuiltinIntegerLiteralType>());
|
|
assert(Value.getBitWidth() == Value.getMinSignedBits());
|
|
}
|
|
#endif
|
|
|
|
void *buf = allocateLiteralInstWithBitSize<IntegerLiteralInst>(M,
|
|
Value.getBitWidth());
|
|
return ::new (buf) IntegerLiteralInst(Loc, Ty, Value);
|
|
}
|
|
|
|
static APInt getAPInt(AnyBuiltinIntegerType *anyIntTy, intmax_t value) {
|
|
// If we're forming a fixed-width type, build using the greatest width.
|
|
if (auto intTy = dyn_cast<BuiltinIntegerType>(anyIntTy))
|
|
return APInt(intTy->getGreatestWidth(), value);
|
|
|
|
// Otherwise, build using the size of the type and then truncate to the
|
|
// minimum width necessary.
|
|
APInt result(8 * sizeof(value), value, /*signed*/ true);
|
|
result = result.trunc(result.getMinSignedBits());
|
|
return result;
|
|
}
|
|
|
|
IntegerLiteralInst *IntegerLiteralInst::create(SILDebugLocation Loc,
|
|
SILType Ty, intmax_t Value,
|
|
SILModule &M) {
|
|
auto intTy = Ty.castTo<AnyBuiltinIntegerType>();
|
|
return create(Loc, Ty, getAPInt(intTy, Value), M);
|
|
}
|
|
|
|
static SILType getGreatestIntegerType(Type type, SILModule &M) {
|
|
if (auto intTy = type->getAs<BuiltinIntegerType>()) {
|
|
return SILType::getBuiltinIntegerType(intTy->getGreatestWidth(),
|
|
M.getASTContext());
|
|
} else {
|
|
assert(type->is<BuiltinIntegerLiteralType>());
|
|
return SILType::getBuiltinIntegerLiteralType(M.getASTContext());
|
|
}
|
|
}
|
|
|
|
IntegerLiteralInst *IntegerLiteralInst::create(IntegerLiteralExpr *E,
|
|
SILDebugLocation Loc,
|
|
SILModule &M) {
|
|
return create(Loc, getGreatestIntegerType(E->getType(), M), E->getValue(), M);
|
|
}
|
|
|
|
/// getValue - Return the APInt for the underlying integer literal.
|
|
APInt IntegerLiteralInst::getValue() const {
|
|
auto numBits = SILInstruction::Bits.IntegerLiteralInst.numBits;
|
|
return APInt(numBits, {getTrailingObjects<llvm::APInt::WordType>(),
|
|
getWordsForBitWidth(numBits)});
|
|
}
|
|
|
|
FloatLiteralInst::FloatLiteralInst(SILDebugLocation Loc, SILType Ty,
|
|
const APInt &Bits)
|
|
: InstructionBase(Loc, Ty) {
|
|
SILInstruction::Bits.FloatLiteralInst.numBits = Bits.getBitWidth();
|
|
std::uninitialized_copy_n(Bits.getRawData(), Bits.getNumWords(),
|
|
getTrailingObjects<llvm::APInt::WordType>());
|
|
}
|
|
|
|
FloatLiteralInst *FloatLiteralInst::create(SILDebugLocation Loc, SILType Ty,
|
|
const APFloat &Value,
|
|
SILModule &M) {
|
|
auto floatTy = Ty.castTo<BuiltinFloatType>();
|
|
assert(&floatTy->getAPFloatSemantics() == &Value.getSemantics() &&
|
|
"FloatLiteralInst value's APFloat semantics do not match type");
|
|
(void)floatTy;
|
|
|
|
APInt Bits = Value.bitcastToAPInt();
|
|
|
|
void *buf = allocateLiteralInstWithBitSize<FloatLiteralInst>(M,
|
|
Bits.getBitWidth());
|
|
return ::new (buf) FloatLiteralInst(Loc, Ty, Bits);
|
|
}
|
|
|
|
FloatLiteralInst *FloatLiteralInst::create(FloatLiteralExpr *E,
|
|
SILDebugLocation Loc,
|
|
SILModule &M) {
|
|
return create(Loc,
|
|
// Builtin floating-point types are always valid SIL types.
|
|
SILType::getBuiltinFloatType(
|
|
E->getType()->castTo<BuiltinFloatType>()->getFPKind(),
|
|
M.getASTContext()),
|
|
E->getValue(), M);
|
|
}
|
|
|
|
APInt FloatLiteralInst::getBits() const {
|
|
auto numBits = SILInstruction::Bits.FloatLiteralInst.numBits;
|
|
return APInt(numBits, {getTrailingObjects<llvm::APInt::WordType>(),
|
|
getWordsForBitWidth(numBits)});
|
|
}
|
|
|
|
APFloat FloatLiteralInst::getValue() const {
|
|
return APFloat(getType().castTo<BuiltinFloatType>()->getAPFloatSemantics(),
|
|
getBits());
|
|
}
|
|
|
|
StringLiteralInst::StringLiteralInst(SILDebugLocation Loc, StringRef Text,
|
|
Encoding encoding, SILType Ty)
|
|
: InstructionBase(Loc, Ty) {
|
|
SILInstruction::Bits.StringLiteralInst.TheEncoding = unsigned(encoding);
|
|
SILInstruction::Bits.StringLiteralInst.Length = Text.size();
|
|
memcpy(getTrailingObjects<char>(), Text.data(), Text.size());
|
|
}
|
|
|
|
StringLiteralInst *StringLiteralInst::create(SILDebugLocation Loc,
|
|
StringRef text, Encoding encoding,
|
|
SILModule &M) {
|
|
void *buf
|
|
= allocateLiteralInstWithTextSize<StringLiteralInst>(M, text.size());
|
|
|
|
auto Ty = SILType::getRawPointerType(M.getASTContext());
|
|
return ::new (buf) StringLiteralInst(Loc, text, encoding, Ty);
|
|
}
|
|
|
|
CondFailInst::CondFailInst(SILDebugLocation DebugLoc, SILValue Operand,
|
|
StringRef Message)
|
|
: UnaryInstructionBase(DebugLoc, Operand),
|
|
MessageSize(Message.size()) {
|
|
memcpy(getTrailingObjects<char>(), Message.data(), Message.size());
|
|
}
|
|
|
|
CondFailInst *CondFailInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
StringRef Message, SILModule &M) {
|
|
|
|
auto Size = totalSizeToAlloc<char>(Message.size());
|
|
auto Buffer = M.allocateInst(Size, alignof(CondFailInst));
|
|
return ::new (Buffer) CondFailInst(DebugLoc, Operand, Message);
|
|
}
|
|
|
|
uint64_t StringLiteralInst::getCodeUnitCount() {
|
|
return SILInstruction::Bits.StringLiteralInst.Length;
|
|
}
|
|
|
|
StoreInst::StoreInst(
|
|
SILDebugLocation Loc, SILValue Src, SILValue Dest,
|
|
StoreOwnershipQualifier Qualifier = StoreOwnershipQualifier::Unqualified)
|
|
: InstructionBase(Loc), Operands(this, Src, Dest) {
|
|
SILInstruction::Bits.StoreInst.OwnershipQualifier = unsigned(Qualifier);
|
|
}
|
|
|
|
StoreBorrowInst::StoreBorrowInst(SILDebugLocation DebugLoc, SILValue Src,
|
|
SILValue Dest)
|
|
: InstructionBase(DebugLoc, Dest->getType()),
|
|
Operands(this, Src, Dest) {}
|
|
|
|
StringRef swift::getSILAccessKindName(SILAccessKind kind) {
|
|
switch (kind) {
|
|
case SILAccessKind::Init: return "init";
|
|
case SILAccessKind::Read: return "read";
|
|
case SILAccessKind::Modify: return "modify";
|
|
case SILAccessKind::Deinit: return "deinit";
|
|
}
|
|
llvm_unreachable("bad access kind");
|
|
}
|
|
|
|
StringRef swift::getSILAccessEnforcementName(SILAccessEnforcement enforcement) {
|
|
switch (enforcement) {
|
|
case SILAccessEnforcement::Unknown: return "unknown";
|
|
case SILAccessEnforcement::Static: return "static";
|
|
case SILAccessEnforcement::Dynamic: return "dynamic";
|
|
case SILAccessEnforcement::Unsafe: return "unsafe";
|
|
}
|
|
llvm_unreachable("bad access enforcement");
|
|
}
|
|
|
|
AssignInst::AssignInst(SILDebugLocation Loc, SILValue Src, SILValue Dest,
|
|
AssignOwnershipQualifier Qualifier) :
|
|
AssignInstBase(Loc, Src, Dest) {
|
|
SILInstruction::Bits.AssignInst.OwnershipQualifier = unsigned(Qualifier);
|
|
}
|
|
|
|
AssignByWrapperInst::AssignByWrapperInst(SILDebugLocation Loc,
|
|
SILValue Src, SILValue Dest,
|
|
SILValue Initializer,
|
|
SILValue Setter,
|
|
AssignOwnershipQualifier Qualifier) :
|
|
AssignInstBase(Loc, Src, Dest, Initializer, Setter) {
|
|
assert(Initializer->getType().is<SILFunctionType>());
|
|
SILInstruction::Bits.AssignByWrapperInst.OwnershipQualifier =
|
|
unsigned(Qualifier);
|
|
}
|
|
|
|
MarkFunctionEscapeInst *
|
|
MarkFunctionEscapeInst::create(SILDebugLocation Loc,
|
|
ArrayRef<SILValue> Elements, SILFunction &F) {
|
|
auto Size = totalSizeToAlloc<swift::Operand>(Elements.size());
|
|
auto Buf = F.getModule().allocateInst(Size, alignof(MarkFunctionEscapeInst));
|
|
return ::new(Buf) MarkFunctionEscapeInst(Loc, Elements);
|
|
}
|
|
|
|
CopyAddrInst::CopyAddrInst(SILDebugLocation Loc, SILValue SrcLValue,
|
|
SILValue DestLValue, IsTake_t isTakeOfSrc,
|
|
IsInitialization_t isInitializationOfDest)
|
|
: InstructionBase(Loc), Operands(this, SrcLValue, DestLValue) {
|
|
SILInstruction::Bits.CopyAddrInst.IsTakeOfSrc = bool(isTakeOfSrc);
|
|
SILInstruction::Bits.CopyAddrInst.IsInitializationOfDest =
|
|
bool(isInitializationOfDest);
|
|
}
|
|
|
|
BindMemoryInst *
|
|
BindMemoryInst::create(SILDebugLocation Loc, SILValue Base, SILValue Index,
|
|
SILType BoundType, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
BoundType.getASTType());
|
|
auto Size = totalSizeToAlloc<swift::Operand>(TypeDependentOperands.size() +
|
|
NumFixedOpers);
|
|
auto Buffer = F.getModule().allocateInst(Size, alignof(BindMemoryInst));
|
|
return ::new (Buffer) BindMemoryInst(Loc, Base, Index, BoundType,
|
|
TypeDependentOperands);
|
|
}
|
|
|
|
UncheckedRefCastAddrInst::
|
|
UncheckedRefCastAddrInst(SILDebugLocation Loc, SILValue src, CanType srcType,
|
|
SILValue dest, CanType targetType,
|
|
ArrayRef<SILValue> TypeDependentOperands)
|
|
: AddrCastInstBase(Loc, src, srcType, dest, targetType,
|
|
TypeDependentOperands) {}
|
|
|
|
UncheckedRefCastAddrInst *
|
|
UncheckedRefCastAddrInst::create(SILDebugLocation Loc, SILValue src,
|
|
CanType srcType, SILValue dest, CanType targetType,
|
|
SILFunction &F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
srcType);
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
targetType);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(2 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UncheckedRefCastAddrInst));
|
|
return ::new (Buffer) UncheckedRefCastAddrInst(Loc, src, srcType,
|
|
dest, targetType, TypeDependentOperands);
|
|
}
|
|
|
|
UnconditionalCheckedCastAddrInst::UnconditionalCheckedCastAddrInst(
|
|
SILDebugLocation Loc, SILValue src, CanType srcType, SILValue dest,
|
|
CanType targetType, ArrayRef<SILValue> TypeDependentOperands)
|
|
: AddrCastInstBase(Loc, src, srcType, dest, targetType,
|
|
TypeDependentOperands) {}
|
|
|
|
UnconditionalCheckedCastAddrInst *
|
|
UnconditionalCheckedCastAddrInst::create(SILDebugLocation Loc, SILValue src,
|
|
CanType srcType, SILValue dest, CanType targetType,
|
|
SILFunction &F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
srcType);
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
targetType);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(2 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UnconditionalCheckedCastAddrInst));
|
|
return ::new (Buffer) UnconditionalCheckedCastAddrInst(Loc, src, srcType,
|
|
dest, targetType, TypeDependentOperands);
|
|
}
|
|
|
|
CheckedCastAddrBranchInst::CheckedCastAddrBranchInst(
|
|
SILDebugLocation DebugLoc, CastConsumptionKind consumptionKind,
|
|
SILValue src, CanType srcType, SILValue dest, CanType targetType,
|
|
ArrayRef<SILValue> TypeDependentOperands,
|
|
SILBasicBlock *successBB, SILBasicBlock *failureBB,
|
|
ProfileCounter Target1Count, ProfileCounter Target2Count)
|
|
: AddrCastInstBase(DebugLoc, src, srcType, dest,
|
|
targetType, TypeDependentOperands, consumptionKind,
|
|
successBB, failureBB, Target1Count, Target2Count) {
|
|
assert(consumptionKind != CastConsumptionKind::BorrowAlways &&
|
|
"BorrowAlways is not supported on addresses");
|
|
}
|
|
|
|
CheckedCastAddrBranchInst *
|
|
CheckedCastAddrBranchInst::create(SILDebugLocation DebugLoc,
|
|
CastConsumptionKind consumptionKind,
|
|
SILValue src, CanType srcType, SILValue dest, CanType targetType,
|
|
SILBasicBlock *successBB, SILBasicBlock *failureBB,
|
|
ProfileCounter Target1Count, ProfileCounter Target2Count,
|
|
SILFunction &F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
srcType);
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
targetType);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(2 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(CheckedCastAddrBranchInst));
|
|
return ::new (Buffer) CheckedCastAddrBranchInst(DebugLoc, consumptionKind,
|
|
src, srcType, dest, targetType, TypeDependentOperands,
|
|
successBB, failureBB, Target1Count, Target2Count);
|
|
}
|
|
|
|
StructInst *StructInst::create(SILDebugLocation Loc, SILType Ty,
|
|
ArrayRef<SILValue> Elements, SILModule &M,
|
|
bool HasOwnership) {
|
|
auto Size = totalSizeToAlloc<swift::Operand>(Elements.size());
|
|
auto Buffer = M.allocateInst(Size, alignof(StructInst));
|
|
return ::new (Buffer) StructInst(Loc, Ty, Elements, HasOwnership);
|
|
}
|
|
|
|
StructInst::StructInst(SILDebugLocation Loc, SILType Ty,
|
|
ArrayRef<SILValue> Elems, bool HasOwnership)
|
|
: InstructionBaseWithTrailingOperands(
|
|
Elems, Loc, Ty,
|
|
HasOwnership ? mergeSILValueOwnership(Elems)
|
|
: ValueOwnershipKind(OwnershipKind::None)) {
|
|
assert(!Ty.getStructOrBoundGenericStruct()->hasUnreferenceableStorage());
|
|
}
|
|
|
|
ObjectInst *ObjectInst::create(SILDebugLocation Loc, SILType Ty,
|
|
ArrayRef<SILValue> Elements,
|
|
unsigned NumBaseElements, SILModule &M,
|
|
bool HasOwnership) {
|
|
auto Size = totalSizeToAlloc<swift::Operand>(Elements.size());
|
|
auto Buffer = M.allocateInst(Size, alignof(ObjectInst));
|
|
return ::new (Buffer)
|
|
ObjectInst(Loc, Ty, Elements, NumBaseElements, HasOwnership);
|
|
}
|
|
|
|
TupleInst *TupleInst::create(SILDebugLocation Loc, SILType Ty,
|
|
ArrayRef<SILValue> Elements, SILModule &M,
|
|
bool HasOwnership) {
|
|
auto Size = totalSizeToAlloc<swift::Operand>(Elements.size());
|
|
auto Buffer = M.allocateInst(Size, alignof(TupleInst));
|
|
return ::new (Buffer) TupleInst(Loc, Ty, Elements, HasOwnership);
|
|
}
|
|
|
|
bool TupleExtractInst::isTrivialEltOfOneRCIDTuple() const {
|
|
auto *F = getFunction();
|
|
|
|
// If we are not trivial, bail.
|
|
if (!getType().isTrivial(*F))
|
|
return false;
|
|
|
|
// If the elt we are extracting is trivial, we cannot have any non trivial
|
|
// fields.
|
|
if (getOperand()->getType().isTrivial(*F))
|
|
return false;
|
|
|
|
// Ok, now we know that our tuple has non-trivial fields. Make sure that our
|
|
// parent tuple has only one non-trivial field.
|
|
bool FoundNonTrivialField = false;
|
|
SILType OpTy = getOperand()->getType();
|
|
unsigned FieldNo = getFieldIndex();
|
|
|
|
// For each element index of the tuple...
|
|
for (unsigned i = 0, e = getNumTupleElts(); i != e; ++i) {
|
|
// If the element index is the one we are extracting, skip it...
|
|
if (i == FieldNo)
|
|
continue;
|
|
|
|
// Otherwise check if we have a non-trivial type. If we don't have one,
|
|
// continue.
|
|
if (OpTy.getTupleElementType(i).isTrivial(*F))
|
|
continue;
|
|
|
|
// Ok, this type is non-trivial. If we have not seen a non-trivial field
|
|
// yet, set the FoundNonTrivialField flag.
|
|
if (!FoundNonTrivialField) {
|
|
FoundNonTrivialField = true;
|
|
continue;
|
|
}
|
|
|
|
// If we have seen a field and thus the FoundNonTrivialField flag is set,
|
|
// return false.
|
|
return false;
|
|
}
|
|
|
|
// We found only one trivial field.
|
|
assert(FoundNonTrivialField && "Tuple is non-trivial, but does not have a "
|
|
"non-trivial element?!");
|
|
return true;
|
|
}
|
|
|
|
bool TupleExtractInst::isEltOnlyNonTrivialElt() const {
|
|
auto *F = getFunction();
|
|
|
|
// If the elt we are extracting is trivial, we cannot be a non-trivial
|
|
// field... return false.
|
|
if (getType().isTrivial(*F))
|
|
return false;
|
|
|
|
// Ok, we know that the elt we are extracting is non-trivial. Make sure that
|
|
// we have no other non-trivial elts.
|
|
SILType OpTy = getOperand()->getType();
|
|
unsigned FieldNo = getFieldIndex();
|
|
|
|
// For each element index of the tuple...
|
|
for (unsigned i = 0, e = getNumTupleElts(); i != e; ++i) {
|
|
// If the element index is the one we are extracting, skip it...
|
|
if (i == FieldNo)
|
|
continue;
|
|
|
|
// Otherwise check if we have a non-trivial type. If we don't have one,
|
|
// continue.
|
|
if (OpTy.getTupleElementType(i).isTrivial(*F))
|
|
continue;
|
|
|
|
// If we do have a non-trivial type, return false. We have multiple
|
|
// non-trivial types violating our condition.
|
|
return false;
|
|
}
|
|
|
|
// We checked every other elt of the tuple and did not find any
|
|
// non-trivial elt except for ourselves. Return true.
|
|
return true;
|
|
}
|
|
|
|
/// Get a unique index for a struct or class field in layout order.
|
|
unsigned swift::getFieldIndex(NominalTypeDecl *decl, VarDecl *field) {
|
|
unsigned index = 0;
|
|
if (auto *classDecl = dyn_cast<ClassDecl>(decl)) {
|
|
for (auto *superDecl = classDecl->getSuperclassDecl(); superDecl != nullptr;
|
|
superDecl = superDecl->getSuperclassDecl()) {
|
|
index += superDecl->getStoredProperties().size();
|
|
}
|
|
}
|
|
for (VarDecl *property : decl->getStoredProperties()) {
|
|
if (field == property) {
|
|
return index;
|
|
}
|
|
++index;
|
|
}
|
|
llvm_unreachable("The field decl for a struct_extract, struct_element_addr, "
|
|
"or ref_element_addr must be an accessible stored "
|
|
"property of the operand type");
|
|
}
|
|
|
|
/// Get the property for a struct or class by its unique index.
|
|
VarDecl *swift::getIndexedField(NominalTypeDecl *decl, unsigned index) {
|
|
if (auto *structDecl = dyn_cast<StructDecl>(decl)) {
|
|
return structDecl->getStoredProperties()[index];
|
|
}
|
|
auto *classDecl = cast<ClassDecl>(decl);
|
|
SmallVector<ClassDecl *, 3> superclasses;
|
|
for (auto *superDecl = classDecl; superDecl != nullptr;
|
|
superDecl = superDecl->getSuperclassDecl()) {
|
|
superclasses.push_back(superDecl);
|
|
}
|
|
std::reverse(superclasses.begin(), superclasses.end());
|
|
for (auto *superDecl : superclasses) {
|
|
if (index < superDecl->getStoredProperties().size()) {
|
|
return superDecl->getStoredProperties()[index];
|
|
}
|
|
index -= superDecl->getStoredProperties().size();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
// FIXME: this should be cached during cacheFieldIndex().
|
|
bool StructExtractInst::isTrivialFieldOfOneRCIDStruct() const {
|
|
auto *F = getFunction();
|
|
|
|
// If we are not trivial, bail.
|
|
if (!getType().isTrivial(*F))
|
|
return false;
|
|
|
|
SILType StructTy = getOperand()->getType();
|
|
|
|
// If the elt we are extracting is trivial, we cannot have any non trivial
|
|
// fields.
|
|
if (StructTy.isTrivial(*F))
|
|
return false;
|
|
|
|
// Ok, now we know that our tuple has non-trivial fields. Make sure that our
|
|
// parent tuple has only one non-trivial field.
|
|
bool FoundNonTrivialField = false;
|
|
|
|
// For each element index of the tuple...
|
|
for (VarDecl *D : getStructDecl()->getStoredProperties()) {
|
|
// If the field is the one we are extracting, skip it...
|
|
if (getField() == D)
|
|
continue;
|
|
|
|
// Otherwise check if we have a non-trivial type. If we don't have one,
|
|
// continue.
|
|
if (StructTy.getFieldType(D, F->getModule(), TypeExpansionContext(*F))
|
|
.isTrivial(*F))
|
|
continue;
|
|
|
|
// Ok, this type is non-trivial. If we have not seen a non-trivial field
|
|
// yet, set the FoundNonTrivialField flag.
|
|
if (!FoundNonTrivialField) {
|
|
FoundNonTrivialField = true;
|
|
continue;
|
|
}
|
|
|
|
// If we have seen a field and thus the FoundNonTrivialField flag is set,
|
|
// return false.
|
|
return false;
|
|
}
|
|
|
|
// We found only one trivial field.
|
|
assert(FoundNonTrivialField && "Struct is non-trivial, but does not have a "
|
|
"non-trivial field?!");
|
|
return true;
|
|
}
|
|
|
|
/// Return true if we are extracting the only non-trivial field of out parent
|
|
/// struct. This implies that a ref count operation on the aggregate is
|
|
/// equivalent to a ref count operation on this field.
|
|
///
|
|
/// FIXME: this should be cached during cacheFieldIndex().
|
|
bool StructExtractInst::isFieldOnlyNonTrivialField() const {
|
|
auto *F = getFunction();
|
|
|
|
// If the field we are extracting is trivial, we cannot be a non-trivial
|
|
// field... return false.
|
|
if (getType().isTrivial(*F))
|
|
return false;
|
|
|
|
SILType StructTy = getOperand()->getType();
|
|
|
|
// Ok, we are visiting a non-trivial field. Then for every stored field...
|
|
for (VarDecl *D : getStructDecl()->getStoredProperties()) {
|
|
// If we are visiting our own field continue.
|
|
if (getField() == D)
|
|
continue;
|
|
|
|
// Ok, we have a field that is not equal to the field we are
|
|
// extracting. If that field is trivial, we do not care about
|
|
// it... continue.
|
|
if (StructTy.getFieldType(D, F->getModule(), TypeExpansionContext(*F))
|
|
.isTrivial(*F))
|
|
continue;
|
|
|
|
// We have found a non trivial member that is not the member we are
|
|
// extracting, fail.
|
|
return false;
|
|
}
|
|
|
|
// We checked every other field of the struct and did not find any
|
|
// non-trivial fields except for ourselves. Return true.
|
|
return true;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Instructions representing terminators
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
TermInst::SuccessorListTy TermInst::getSuccessors() {
|
|
switch (getKind()) {
|
|
#define TERMINATOR(ID, NAME, PARENT, MEMBEHAVIOR, MAYRELEASE) \
|
|
case SILInstructionKind::ID: return cast<ID>(this)->getSuccessors();
|
|
#include "swift/SIL/SILNodes.def"
|
|
default: llvm_unreachable("not a terminator");
|
|
}
|
|
llvm_unreachable("bad instruction kind");
|
|
}
|
|
|
|
bool TermInst::isFunctionExiting() const {
|
|
switch (getTermKind()) {
|
|
case TermKind::AwaitAsyncContinuationInst:
|
|
case TermKind::BranchInst:
|
|
case TermKind::CondBranchInst:
|
|
case TermKind::SwitchValueInst:
|
|
case TermKind::SwitchEnumInst:
|
|
case TermKind::SwitchEnumAddrInst:
|
|
case TermKind::DynamicMethodBranchInst:
|
|
case TermKind::CheckedCastBranchInst:
|
|
case TermKind::CheckedCastValueBranchInst:
|
|
case TermKind::CheckedCastAddrBranchInst:
|
|
case TermKind::UnreachableInst:
|
|
case TermKind::TryApplyInst:
|
|
case TermKind::YieldInst:
|
|
return false;
|
|
case TermKind::ReturnInst:
|
|
case TermKind::ThrowInst:
|
|
case TermKind::UnwindInst:
|
|
return true;
|
|
}
|
|
|
|
llvm_unreachable("Unhandled TermKind in switch.");
|
|
}
|
|
|
|
bool TermInst::isProgramTerminating() const {
|
|
switch (getTermKind()) {
|
|
case TermKind::AwaitAsyncContinuationInst:
|
|
case TermKind::BranchInst:
|
|
case TermKind::CondBranchInst:
|
|
case TermKind::SwitchValueInst:
|
|
case TermKind::SwitchEnumInst:
|
|
case TermKind::SwitchEnumAddrInst:
|
|
case TermKind::DynamicMethodBranchInst:
|
|
case TermKind::CheckedCastBranchInst:
|
|
case TermKind::CheckedCastValueBranchInst:
|
|
case TermKind::CheckedCastAddrBranchInst:
|
|
case TermKind::ReturnInst:
|
|
case TermKind::ThrowInst:
|
|
case TermKind::UnwindInst:
|
|
case TermKind::TryApplyInst:
|
|
case TermKind::YieldInst:
|
|
return false;
|
|
case TermKind::UnreachableInst:
|
|
return true;
|
|
}
|
|
|
|
llvm_unreachable("Unhandled TermKind in switch.");
|
|
}
|
|
|
|
TermInst::SuccessorBlockArgumentListTy
|
|
TermInst::getSuccessorBlockArgumentLists() const {
|
|
function_ref<ArrayRef<SILArgument *>(const SILSuccessor &)> op;
|
|
op = [](const SILSuccessor &succ) -> ArrayRef<SILArgument *> {
|
|
return succ.getBB()->getArguments();
|
|
};
|
|
return SuccessorBlockArgumentListTy(getSuccessors(), op);
|
|
}
|
|
|
|
YieldInst *YieldInst::create(SILDebugLocation loc,
|
|
ArrayRef<SILValue> yieldedValues,
|
|
SILBasicBlock *normalBB, SILBasicBlock *unwindBB,
|
|
SILFunction &F) {
|
|
auto Size = totalSizeToAlloc<swift::Operand>(yieldedValues.size());
|
|
void *Buffer = F.getModule().allocateInst(Size, alignof(YieldInst));
|
|
return ::new (Buffer) YieldInst(loc, yieldedValues, normalBB, unwindBB);
|
|
}
|
|
|
|
SILYieldInfo YieldInst::getYieldInfoForOperand(const Operand &op) const {
|
|
// We expect op to be our operand.
|
|
assert(op.getUser() == this);
|
|
auto conv = getFunction()->getConventions();
|
|
return conv.getYieldInfoForOperandIndex(op.getOperandNumber());
|
|
}
|
|
|
|
SILArgumentConvention
|
|
YieldInst::getArgumentConventionForOperand(const Operand &op) const {
|
|
auto conv = getYieldInfoForOperand(op).getConvention();
|
|
return SILArgumentConvention(conv);
|
|
}
|
|
|
|
BranchInst *BranchInst::create(SILDebugLocation Loc, SILBasicBlock *DestBB,
|
|
SILFunction &F) {
|
|
return create(Loc, DestBB, {}, F);
|
|
}
|
|
|
|
BranchInst *BranchInst::create(SILDebugLocation Loc,
|
|
SILBasicBlock *DestBB, ArrayRef<SILValue> Args,
|
|
SILFunction &F) {
|
|
auto Size = totalSizeToAlloc<swift::Operand>(Args.size());
|
|
auto Buffer = F.getModule().allocateInst(Size, alignof(BranchInst));
|
|
return ::new (Buffer) BranchInst(Loc, DestBB, Args);
|
|
}
|
|
|
|
CondBranchInst::CondBranchInst(SILDebugLocation Loc, SILValue Condition,
|
|
SILBasicBlock *TrueBB, SILBasicBlock *FalseBB,
|
|
ArrayRef<SILValue> Args, unsigned NumTrue,
|
|
unsigned NumFalse, ProfileCounter TrueBBCount,
|
|
ProfileCounter FalseBBCount)
|
|
: InstructionBaseWithTrailingOperands(Condition, Args, Loc),
|
|
DestBBs{{{this, TrueBB, TrueBBCount}, {this, FalseBB, FalseBBCount}}} {
|
|
assert(Args.size() == (NumTrue + NumFalse) && "Invalid number of args");
|
|
SILInstruction::Bits.CondBranchInst.NumTrueArgs = NumTrue;
|
|
assert(SILInstruction::Bits.CondBranchInst.NumTrueArgs == NumTrue &&
|
|
"Truncation");
|
|
assert(TrueBB != FalseBB && "Identical destinations");
|
|
}
|
|
|
|
CondBranchInst *CondBranchInst::create(SILDebugLocation Loc, SILValue Condition,
|
|
SILBasicBlock *TrueBB,
|
|
SILBasicBlock *FalseBB,
|
|
ProfileCounter TrueBBCount,
|
|
ProfileCounter FalseBBCount,
|
|
SILFunction &F) {
|
|
return create(Loc, Condition, TrueBB, {}, FalseBB, {}, TrueBBCount,
|
|
FalseBBCount, F);
|
|
}
|
|
|
|
CondBranchInst *
|
|
CondBranchInst::create(SILDebugLocation Loc, SILValue Condition,
|
|
SILBasicBlock *TrueBB, ArrayRef<SILValue> TrueArgs,
|
|
SILBasicBlock *FalseBB, ArrayRef<SILValue> FalseArgs,
|
|
ProfileCounter TrueBBCount, ProfileCounter FalseBBCount,
|
|
SILFunction &F) {
|
|
SmallVector<SILValue, 4> Args;
|
|
Args.append(TrueArgs.begin(), TrueArgs.end());
|
|
Args.append(FalseArgs.begin(), FalseArgs.end());
|
|
|
|
auto Size = totalSizeToAlloc<swift::Operand>(Args.size() + NumFixedOpers);
|
|
auto Buffer = F.getModule().allocateInst(Size, alignof(CondBranchInst));
|
|
return ::new (Buffer) CondBranchInst(Loc, Condition, TrueBB, FalseBB, Args,
|
|
TrueArgs.size(), FalseArgs.size(),
|
|
TrueBBCount, FalseBBCount);
|
|
}
|
|
|
|
Operand *CondBranchInst::getOperandForDestBB(const SILBasicBlock *destBlock,
|
|
const SILArgument *arg) const {
|
|
return getOperandForDestBB(destBlock, arg->getIndex());
|
|
}
|
|
|
|
Operand *CondBranchInst::getOperandForDestBB(const SILBasicBlock *destBlock,
|
|
unsigned argIndex) const {
|
|
// If TrueBB and FalseBB equal, we cannot find an arg for this DestBB so
|
|
// return an empty SILValue.
|
|
if (getTrueBB() == getFalseBB()) {
|
|
assert(destBlock == getTrueBB() &&
|
|
"DestBB is not a target of this cond_br");
|
|
return nullptr;
|
|
}
|
|
|
|
auto *self = const_cast<CondBranchInst *>(this);
|
|
if (destBlock == getTrueBB()) {
|
|
return &self->getAllOperands()[NumFixedOpers + argIndex];
|
|
}
|
|
|
|
assert(destBlock == getFalseBB() &&
|
|
"By process of elimination BB must be false BB");
|
|
return &self->getAllOperands()[NumFixedOpers + getNumTrueArgs() + argIndex];
|
|
}
|
|
|
|
void CondBranchInst::swapSuccessors() {
|
|
// Swap our destinations.
|
|
SILBasicBlock *First = DestBBs[0].getBB();
|
|
DestBBs[0] = DestBBs[1].getBB();
|
|
DestBBs[1] = First;
|
|
|
|
// If we don't have any arguments return.
|
|
if (!getNumTrueArgs() && !getNumFalseArgs())
|
|
return;
|
|
|
|
// Otherwise swap our true and false arguments.
|
|
MutableArrayRef<Operand> Ops = getAllOperands();
|
|
llvm::SmallVector<SILValue, 4> TrueOps;
|
|
for (SILValue V : getTrueArgs())
|
|
TrueOps.push_back(V);
|
|
|
|
auto FalseArgs = getFalseArgs();
|
|
for (unsigned i = 0, e = getNumFalseArgs(); i < e; ++i) {
|
|
Ops[NumFixedOpers+i].set(FalseArgs[i]);
|
|
}
|
|
|
|
for (unsigned i = 0, e = getNumTrueArgs(); i < e; ++i) {
|
|
Ops[NumFixedOpers+i+getNumFalseArgs()].set(TrueOps[i]);
|
|
}
|
|
|
|
// Finally swap the number of arguments that we have. The number of false
|
|
// arguments is derived from the number of true arguments, therefore:
|
|
SILInstruction::Bits.CondBranchInst.NumTrueArgs = getNumFalseArgs();
|
|
}
|
|
|
|
SwitchValueInst::SwitchValueInst(SILDebugLocation Loc, SILValue Operand,
|
|
SILBasicBlock *DefaultBB,
|
|
ArrayRef<SILValue> Cases,
|
|
ArrayRef<SILBasicBlock *> BBs)
|
|
: InstructionBaseWithTrailingOperands(Operand, Cases, Loc) {
|
|
SILInstruction::Bits.SwitchValueInst.HasDefault = bool(DefaultBB);
|
|
// Initialize the successor array.
|
|
auto *succs = getSuccessorBuf();
|
|
unsigned OperandBitWidth = 0;
|
|
|
|
if (auto OperandTy = Operand->getType().getAs<BuiltinIntegerType>()) {
|
|
OperandBitWidth = OperandTy->getGreatestWidth();
|
|
}
|
|
|
|
for (unsigned i = 0, size = Cases.size(); i < size; ++i) {
|
|
// If we have undef, just add the case and continue.
|
|
if (isa<SILUndef>(Cases[i])) {
|
|
::new (succs + i) SILSuccessor(this, BBs[i]);
|
|
continue;
|
|
}
|
|
|
|
if (OperandBitWidth) {
|
|
auto *IL = dyn_cast<IntegerLiteralInst>(Cases[i]);
|
|
assert(IL && "switch_value case value should be of an integer type");
|
|
assert(IL->getValue().getBitWidth() == OperandBitWidth &&
|
|
"switch_value case value is not same bit width as operand");
|
|
(void)IL;
|
|
} else {
|
|
auto *FR = dyn_cast<FunctionRefInst>(Cases[i]);
|
|
if (!FR) {
|
|
if (auto *CF = dyn_cast<ConvertFunctionInst>(Cases[i])) {
|
|
FR = dyn_cast<FunctionRefInst>(CF->getOperand());
|
|
}
|
|
}
|
|
assert(FR && "switch_value case value should be a function reference");
|
|
}
|
|
::new (succs + i) SILSuccessor(this, BBs[i]);
|
|
}
|
|
|
|
if (hasDefault())
|
|
::new (succs + getNumCases()) SILSuccessor(this, DefaultBB);
|
|
}
|
|
|
|
SwitchValueInst::~SwitchValueInst() {
|
|
// Destroy the successor records to keep the CFG up to date.
|
|
auto *succs = getSuccessorBuf();
|
|
for (unsigned i = 0, end = getNumCases() + hasDefault(); i < end; ++i) {
|
|
succs[i].~SILSuccessor();
|
|
}
|
|
}
|
|
|
|
SwitchValueInst *SwitchValueInst::create(
|
|
SILDebugLocation Loc, SILValue Operand, SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<SILValue, SILBasicBlock *>> CaseBBs, SILFunction &F) {
|
|
// Allocate enough room for the instruction with tail-allocated data for all
|
|
// the case values and the SILSuccessor arrays. There are `CaseBBs.size()`
|
|
// SILValues and `CaseBBs.size() + (DefaultBB ? 1 : 0)` successors.
|
|
SmallVector<SILValue, 8> Cases;
|
|
SmallVector<SILBasicBlock *, 8> BBs;
|
|
unsigned numCases = CaseBBs.size();
|
|
unsigned numSuccessors = numCases + (DefaultBB ? 1 : 0);
|
|
for (auto pair: CaseBBs) {
|
|
Cases.push_back(pair.first);
|
|
BBs.push_back(pair.second);
|
|
}
|
|
auto size = totalSizeToAlloc<swift::Operand, SILSuccessor>(numCases + 1,
|
|
numSuccessors);
|
|
auto buf = F.getModule().allocateInst(size, alignof(SwitchValueInst));
|
|
return ::new (buf) SwitchValueInst(Loc, Operand, DefaultBB, Cases, BBs);
|
|
}
|
|
|
|
SelectValueInst::SelectValueInst(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Type, SILValue DefaultResult,
|
|
ArrayRef<SILValue> CaseValuesAndResults,
|
|
bool HasOwnership)
|
|
: InstructionBaseWithTrailingOperands(
|
|
Operand, CaseValuesAndResults, DebugLoc, Type,
|
|
HasOwnership ? mergeSILValueOwnership(CaseValuesAndResults)
|
|
: ValueOwnershipKind(OwnershipKind::None)) {}
|
|
|
|
SelectValueInst *
|
|
SelectValueInst::create(SILDebugLocation Loc, SILValue Operand, SILType Type,
|
|
SILValue DefaultResult,
|
|
ArrayRef<std::pair<SILValue, SILValue>> CaseValues,
|
|
SILModule &M, bool HasOwnership) {
|
|
// Allocate enough room for the instruction with tail-allocated data for all
|
|
// the case values and the SILSuccessor arrays. There are `CaseBBs.size()`
|
|
// SILValues and `CaseBBs.size() + (DefaultBB ? 1 : 0)` successors.
|
|
SmallVector<SILValue, 8> CaseValuesAndResults;
|
|
for (auto pair : CaseValues) {
|
|
CaseValuesAndResults.push_back(pair.first);
|
|
CaseValuesAndResults.push_back(pair.second);
|
|
}
|
|
|
|
if ((bool)DefaultResult)
|
|
CaseValuesAndResults.push_back(DefaultResult);
|
|
|
|
auto Size = totalSizeToAlloc<swift::Operand>(CaseValuesAndResults.size() + 1);
|
|
auto Buf = M.allocateInst(Size, alignof(SelectValueInst));
|
|
return ::new (Buf) SelectValueInst(Loc, Operand, Type, DefaultResult,
|
|
CaseValuesAndResults, HasOwnership);
|
|
}
|
|
|
|
template <typename SELECT_ENUM_INST>
|
|
SELECT_ENUM_INST *SelectEnumInstBase::createSelectEnum(
|
|
SILDebugLocation Loc, SILValue Operand, SILType Ty, SILValue DefaultValue,
|
|
ArrayRef<std::pair<EnumElementDecl *, SILValue>> DeclsAndValues,
|
|
SILModule &Mod, Optional<ArrayRef<ProfileCounter>> CaseCounts,
|
|
ProfileCounter DefaultCount, bool HasOwnership) {
|
|
// Allocate enough room for the instruction with tail-allocated
|
|
// EnumElementDecl and operand arrays. There are `CaseBBs.size()` decls
|
|
// and `CaseBBs.size() + (DefaultBB ? 1 : 0)` values.
|
|
SmallVector<SILValue, 4> CaseValues;
|
|
SmallVector<EnumElementDecl*, 4> CaseDecls;
|
|
for (auto &pair : DeclsAndValues) {
|
|
CaseValues.push_back(pair.second);
|
|
CaseDecls.push_back(pair.first);
|
|
}
|
|
|
|
if (DefaultValue)
|
|
CaseValues.push_back(DefaultValue);
|
|
|
|
auto Size = SELECT_ENUM_INST::template
|
|
totalSizeToAlloc<swift::Operand, EnumElementDecl*>(CaseValues.size() + 1,
|
|
CaseDecls.size());
|
|
auto Buf = Mod.allocateInst(Size + sizeof(ProfileCounter),
|
|
alignof(SELECT_ENUM_INST));
|
|
return ::new (Buf)
|
|
SELECT_ENUM_INST(Loc, Operand, Ty, bool(DefaultValue), CaseValues,
|
|
CaseDecls, CaseCounts, DefaultCount, HasOwnership);
|
|
}
|
|
|
|
SelectEnumInst *SelectEnumInst::create(
|
|
SILDebugLocation Loc, SILValue Operand, SILType Type, SILValue DefaultValue,
|
|
ArrayRef<std::pair<EnumElementDecl *, SILValue>> CaseValues, SILModule &M,
|
|
Optional<ArrayRef<ProfileCounter>> CaseCounts, ProfileCounter DefaultCount,
|
|
bool HasOwnership) {
|
|
return createSelectEnum<SelectEnumInst>(Loc, Operand, Type, DefaultValue,
|
|
CaseValues, M, CaseCounts,
|
|
DefaultCount, HasOwnership);
|
|
}
|
|
|
|
SelectEnumAddrInst *SelectEnumAddrInst::create(
|
|
SILDebugLocation Loc, SILValue Operand, SILType Type, SILValue DefaultValue,
|
|
ArrayRef<std::pair<EnumElementDecl *, SILValue>> CaseValues, SILModule &M,
|
|
Optional<ArrayRef<ProfileCounter>> CaseCounts,
|
|
ProfileCounter DefaultCount) {
|
|
// We always pass in false since SelectEnumAddrInst doesn't use ownership. We
|
|
// have to pass something in since SelectEnumInst /does/ need to consider
|
|
// ownership and both use the same creation function.
|
|
return createSelectEnum<SelectEnumAddrInst>(
|
|
Loc, Operand, Type, DefaultValue, CaseValues, M, CaseCounts, DefaultCount,
|
|
false /*HasOwnership*/);
|
|
}
|
|
|
|
namespace {
|
|
template <class Inst> EnumElementDecl *
|
|
getUniqueCaseForDefaultValue(Inst *inst, SILValue enumValue) {
|
|
assert(inst->hasDefault() && "doesn't have a default");
|
|
SILType enumType = enumValue->getType();
|
|
|
|
EnumDecl *decl = enumType.getEnumOrBoundGenericEnum();
|
|
assert(decl && "switch_enum operand is not an enum");
|
|
|
|
const SILFunction *F = inst->getFunction();
|
|
if (!decl->isEffectivelyExhaustive(F->getModule().getSwiftModule(),
|
|
F->getResilienceExpansion())) {
|
|
return nullptr;
|
|
}
|
|
|
|
llvm::SmallPtrSet<EnumElementDecl *, 4> unswitchedElts;
|
|
for (auto elt : decl->getAllElements())
|
|
unswitchedElts.insert(elt);
|
|
|
|
for (unsigned i = 0, e = inst->getNumCases(); i != e; ++i) {
|
|
auto Entry = inst->getCase(i);
|
|
unswitchedElts.erase(Entry.first);
|
|
}
|
|
|
|
if (unswitchedElts.size() == 1)
|
|
return *unswitchedElts.begin();
|
|
|
|
return nullptr;
|
|
}
|
|
} // end anonymous namespace
|
|
|
|
NullablePtr<EnumElementDecl> SelectEnumInstBase::getUniqueCaseForDefault() {
|
|
return getUniqueCaseForDefaultValue(this, getEnumOperand());
|
|
}
|
|
|
|
NullablePtr<EnumElementDecl> SelectEnumInstBase::getSingleTrueElement() const {
|
|
auto SEIType = getType().getAs<BuiltinIntegerType>();
|
|
if (!SEIType)
|
|
return nullptr;
|
|
if (SEIType->getWidth() != BuiltinIntegerWidth::fixed(1))
|
|
return nullptr;
|
|
|
|
// Try to find a single literal "true" case.
|
|
Optional<EnumElementDecl*> TrueElement;
|
|
for (unsigned i = 0, e = getNumCases(); i < e; ++i) {
|
|
auto casePair = getCase(i);
|
|
if (auto intLit = dyn_cast<IntegerLiteralInst>(casePair.second)) {
|
|
if (intLit->getValue() == APInt(1, 1)) {
|
|
if (!TrueElement)
|
|
TrueElement = casePair.first;
|
|
else
|
|
// Use Optional(nullptr) to represent more than one.
|
|
TrueElement = Optional<EnumElementDecl*>(nullptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!TrueElement || !*TrueElement)
|
|
return nullptr;
|
|
return *TrueElement;
|
|
}
|
|
|
|
template <typename BaseTy>
|
|
template <typename SWITCH_ENUM_INST, typename... RestTys>
|
|
SWITCH_ENUM_INST *SwitchEnumInstBase<BaseTy>::createSwitchEnum(
|
|
SILDebugLocation Loc, SILValue Operand, SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<EnumElementDecl *, SILBasicBlock *>> CaseBBs,
|
|
SILFunction &F, Optional<ArrayRef<ProfileCounter>> CaseCounts,
|
|
ProfileCounter DefaultCount, RestTys &&... restArgs) {
|
|
// Allocate enough room for the instruction with tail-allocated
|
|
// EnumElementDecl and SILSuccessor arrays. There are `CaseBBs.size()` decls
|
|
// and `CaseBBs.size() + (DefaultBB ? 1 : 0)` successors.
|
|
unsigned numCases = CaseBBs.size();
|
|
unsigned numSuccessors = numCases + (DefaultBB ? 1 : 0);
|
|
|
|
void *buf = F.getModule().allocateInst(
|
|
sizeof(SWITCH_ENUM_INST) + sizeof(EnumElementDecl *) * numCases +
|
|
sizeof(SILSuccessor) * numSuccessors,
|
|
alignof(SWITCH_ENUM_INST));
|
|
return ::new (buf)
|
|
SWITCH_ENUM_INST(Loc, Operand, DefaultBB, CaseBBs, CaseCounts,
|
|
DefaultCount, std::forward<RestTys>(restArgs)...);
|
|
}
|
|
|
|
SwitchEnumInst *SwitchEnumInst::create(
|
|
SILDebugLocation Loc, SILValue Operand, SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<EnumElementDecl *, SILBasicBlock *>> CaseBBs,
|
|
SILFunction &F, Optional<ArrayRef<ProfileCounter>> CaseCounts,
|
|
ProfileCounter DefaultCount) {
|
|
return createSwitchEnum<SwitchEnumInst>(Loc, Operand, DefaultBB, CaseBBs, F,
|
|
CaseCounts, DefaultCount);
|
|
}
|
|
|
|
SwitchEnumAddrInst *SwitchEnumAddrInst::create(
|
|
SILDebugLocation Loc, SILValue Operand, SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<EnumElementDecl *, SILBasicBlock *>> CaseBBs,
|
|
SILFunction &F, Optional<ArrayRef<ProfileCounter>> CaseCounts,
|
|
ProfileCounter DefaultCount) {
|
|
return createSwitchEnum<SwitchEnumAddrInst>(Loc, Operand, DefaultBB, CaseBBs,
|
|
F, CaseCounts, DefaultCount);
|
|
}
|
|
|
|
DynamicMethodBranchInst::DynamicMethodBranchInst(SILDebugLocation Loc,
|
|
SILValue Operand,
|
|
SILDeclRef Member,
|
|
SILBasicBlock *HasMethodBB,
|
|
SILBasicBlock *NoMethodBB)
|
|
: InstructionBase(Loc),
|
|
Member(Member),
|
|
DestBBs{{{this, HasMethodBB}, {this, NoMethodBB}}},
|
|
Operands(this, Operand)
|
|
{
|
|
}
|
|
|
|
DynamicMethodBranchInst *
|
|
DynamicMethodBranchInst::create(SILDebugLocation Loc, SILValue Operand,
|
|
SILDeclRef Member, SILBasicBlock *HasMethodBB,
|
|
SILBasicBlock *NoMethodBB, SILFunction &F) {
|
|
void *Buffer = F.getModule().allocateInst(sizeof(DynamicMethodBranchInst),
|
|
alignof(DynamicMethodBranchInst));
|
|
return ::new (Buffer)
|
|
DynamicMethodBranchInst(Loc, Operand, Member, HasMethodBB, NoMethodBB);
|
|
}
|
|
|
|
WitnessMethodInst *
|
|
WitnessMethodInst::create(SILDebugLocation Loc, CanType LookupType,
|
|
ProtocolConformanceRef Conformance, SILDeclRef Member,
|
|
SILType Ty, SILFunction *F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
assert(cast<ProtocolDecl>(Member.getDecl()->getDeclContext())
|
|
== Conformance.getRequirement());
|
|
|
|
SILModule &Mod = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
LookupType);
|
|
auto Size = totalSizeToAlloc<swift::Operand>(TypeDependentOperands.size());
|
|
auto Buffer = Mod.allocateInst(Size, alignof(WitnessMethodInst));
|
|
|
|
return ::new (Buffer) WitnessMethodInst(Loc, LookupType, Conformance, Member,
|
|
Ty, TypeDependentOperands);
|
|
}
|
|
|
|
ObjCMethodInst *
|
|
ObjCMethodInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILDeclRef Member, SILType Ty, SILFunction *F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
Ty.getASTType());
|
|
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(ObjCMethodInst));
|
|
return ::new (Buffer) ObjCMethodInst(DebugLoc, Operand,
|
|
TypeDependentOperands,
|
|
Member, Ty);
|
|
}
|
|
|
|
InitExistentialAddrInst *InitExistentialAddrInst::create(
|
|
SILDebugLocation Loc, SILValue Existential, CanType ConcreteType,
|
|
SILType ConcreteLoweredType, ArrayRef<ProtocolConformanceRef> Conformances,
|
|
SILFunction *F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
ConcreteType);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size,
|
|
alignof(InitExistentialAddrInst));
|
|
return ::new (Buffer) InitExistentialAddrInst(Loc, Existential,
|
|
TypeDependentOperands,
|
|
ConcreteType,
|
|
ConcreteLoweredType,
|
|
Conformances);
|
|
}
|
|
|
|
InitExistentialValueInst *InitExistentialValueInst::create(
|
|
SILDebugLocation Loc, SILType ExistentialType, CanType ConcreteType,
|
|
SILValue Instance, ArrayRef<ProtocolConformanceRef> Conformances,
|
|
SILFunction *F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
ConcreteType);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
|
|
void *Buffer = Mod.allocateInst(size, alignof(InitExistentialRefInst));
|
|
return ::new (Buffer)
|
|
InitExistentialValueInst(Loc, ExistentialType, ConcreteType, Instance,
|
|
TypeDependentOperands, Conformances);
|
|
}
|
|
|
|
InitExistentialRefInst *
|
|
InitExistentialRefInst::create(SILDebugLocation Loc, SILType ExistentialType,
|
|
CanType ConcreteType, SILValue Instance,
|
|
ArrayRef<ProtocolConformanceRef> Conformances,
|
|
SILFunction *F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
ConcreteType);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
|
|
void *Buffer = Mod.allocateInst(size,
|
|
alignof(InitExistentialRefInst));
|
|
return ::new (Buffer) InitExistentialRefInst(Loc, ExistentialType,
|
|
ConcreteType,
|
|
Instance,
|
|
TypeDependentOperands,
|
|
Conformances);
|
|
}
|
|
|
|
InitExistentialMetatypeInst::InitExistentialMetatypeInst(
|
|
SILDebugLocation Loc, SILType existentialMetatypeType, SILValue metatype,
|
|
ArrayRef<SILValue> TypeDependentOperands,
|
|
ArrayRef<ProtocolConformanceRef> conformances)
|
|
: UnaryInstructionWithTypeDependentOperandsBase(Loc, metatype,
|
|
TypeDependentOperands,
|
|
existentialMetatypeType),
|
|
NumConformances(conformances.size()) {
|
|
std::uninitialized_copy(conformances.begin(), conformances.end(),
|
|
getTrailingObjects<ProtocolConformanceRef>());
|
|
}
|
|
|
|
InitExistentialMetatypeInst *InitExistentialMetatypeInst::create(
|
|
SILDebugLocation Loc, SILType existentialMetatypeType, SILValue metatype,
|
|
ArrayRef<ProtocolConformanceRef> conformances, SILFunction *F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &M = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
existentialMetatypeType.getASTType());
|
|
|
|
unsigned size = totalSizeToAlloc<swift::Operand, ProtocolConformanceRef>(
|
|
1 + TypeDependentOperands.size(), conformances.size());
|
|
|
|
void *buffer = M.allocateInst(size, alignof(InitExistentialMetatypeInst));
|
|
return ::new (buffer) InitExistentialMetatypeInst(
|
|
Loc, existentialMetatypeType, metatype,
|
|
TypeDependentOperands, conformances);
|
|
}
|
|
|
|
ArrayRef<ProtocolConformanceRef>
|
|
InitExistentialMetatypeInst::getConformances() const {
|
|
return {getTrailingObjects<ProtocolConformanceRef>(), NumConformances};
|
|
}
|
|
|
|
OpenedExistentialAccess swift::getOpenedExistentialAccessFor(AccessKind access) {
|
|
switch (access) {
|
|
case AccessKind::Read:
|
|
return OpenedExistentialAccess::Immutable;
|
|
case AccessKind::ReadWrite:
|
|
case AccessKind::Write:
|
|
return OpenedExistentialAccess::Mutable;
|
|
}
|
|
llvm_unreachable("Uncovered covered switch?");
|
|
}
|
|
|
|
OpenExistentialAddrInst::OpenExistentialAddrInst(
|
|
SILDebugLocation DebugLoc, SILValue Operand, SILType SelfTy,
|
|
OpenedExistentialAccess AccessKind)
|
|
: UnaryInstructionBase(DebugLoc, Operand, SelfTy), ForAccess(AccessKind) {}
|
|
|
|
OpenExistentialRefInst::OpenExistentialRefInst(SILDebugLocation DebugLoc,
|
|
SILValue Operand, SILType Ty,
|
|
bool HasOwnership)
|
|
: UnaryInstructionBase(DebugLoc, Operand, Ty,
|
|
HasOwnership
|
|
? Operand.getOwnershipKind()
|
|
: ValueOwnershipKind(OwnershipKind::None)) {
|
|
assert(Operand->getType().isObject() && "Operand must be an object.");
|
|
assert(Ty.isObject() && "Result type must be an object type.");
|
|
}
|
|
|
|
OpenExistentialMetatypeInst::OpenExistentialMetatypeInst(
|
|
SILDebugLocation DebugLoc, SILValue operand, SILType ty)
|
|
: UnaryInstructionBase(DebugLoc, operand, ty) {
|
|
}
|
|
|
|
OpenExistentialBoxInst::OpenExistentialBoxInst(
|
|
SILDebugLocation DebugLoc, SILValue operand, SILType ty)
|
|
: UnaryInstructionBase(DebugLoc, operand, ty) {
|
|
}
|
|
|
|
OpenExistentialBoxValueInst::OpenExistentialBoxValueInst(
|
|
SILDebugLocation DebugLoc, SILValue operand, SILType ty)
|
|
: UnaryInstructionBase(DebugLoc, operand, ty, operand.getOwnershipKind()) {}
|
|
|
|
OpenExistentialValueInst::OpenExistentialValueInst(SILDebugLocation debugLoc,
|
|
SILValue operand,
|
|
SILType selfTy)
|
|
: UnaryInstructionBase(debugLoc, operand, selfTy,
|
|
operand.getOwnershipKind()) {}
|
|
|
|
BeginCOWMutationInst::BeginCOWMutationInst(SILDebugLocation loc,
|
|
SILValue operand,
|
|
ArrayRef<SILType> resultTypes,
|
|
ArrayRef<ValueOwnershipKind> resultOwnerships,
|
|
bool isNative)
|
|
: UnaryInstructionBase(loc, operand),
|
|
MultipleValueInstructionTrailingObjects(this, resultTypes,
|
|
resultOwnerships) {
|
|
assert(resultTypes.size() == 2 && resultOwnerships.size() == 2);
|
|
assert(operand->getType() == resultTypes[1]);
|
|
setNative(isNative);
|
|
}
|
|
|
|
BeginCOWMutationInst *
|
|
BeginCOWMutationInst::create(SILDebugLocation loc, SILValue operand,
|
|
SILType boolTy, SILFunction &F, bool isNative) {
|
|
|
|
SILType resultTypes[2] = { boolTy, operand->getType() };
|
|
ValueOwnershipKind ownerships[2] = {OwnershipKind::None,
|
|
OwnershipKind::Owned};
|
|
|
|
void *buffer =
|
|
allocateTrailingInst<BeginCOWMutationInst,
|
|
MultipleValueInstruction*, BeginCOWMutationResult>(
|
|
F, 1, 2);
|
|
return ::new(buffer) BeginCOWMutationInst(loc, operand,
|
|
ArrayRef<SILType>(resultTypes, 2),
|
|
ArrayRef<ValueOwnershipKind>(ownerships, 2),
|
|
isNative);
|
|
}
|
|
|
|
UncheckedRefCastInst *
|
|
UncheckedRefCastInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UncheckedRefCastInst));
|
|
return ::new (Buffer) UncheckedRefCastInst(DebugLoc, Operand,
|
|
TypeDependentOperands, Ty);
|
|
}
|
|
|
|
UncheckedValueCastInst *
|
|
UncheckedValueCastInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UncheckedValueCastInst));
|
|
return ::new (Buffer)
|
|
UncheckedValueCastInst(DebugLoc, Operand, TypeDependentOperands, Ty);
|
|
}
|
|
|
|
UncheckedAddrCastInst *
|
|
UncheckedAddrCastInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UncheckedAddrCastInst));
|
|
return ::new (Buffer) UncheckedAddrCastInst(DebugLoc, Operand,
|
|
TypeDependentOperands, Ty);
|
|
}
|
|
|
|
UncheckedTrivialBitCastInst *
|
|
UncheckedTrivialBitCastInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UncheckedTrivialBitCastInst));
|
|
return ::new (Buffer) UncheckedTrivialBitCastInst(DebugLoc, Operand,
|
|
TypeDependentOperands,
|
|
Ty);
|
|
}
|
|
|
|
UncheckedBitwiseCastInst *
|
|
UncheckedBitwiseCastInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UncheckedBitwiseCastInst));
|
|
return ::new (Buffer) UncheckedBitwiseCastInst(DebugLoc, Operand,
|
|
TypeDependentOperands, Ty);
|
|
}
|
|
|
|
UnconditionalCheckedCastInst *UnconditionalCheckedCastInst::create(
|
|
SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType DestLoweredTy, CanType DestFormalTy,
|
|
SILFunction &F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
DestFormalTy);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UnconditionalCheckedCastInst));
|
|
return ::new (Buffer) UnconditionalCheckedCastInst(DebugLoc, Operand,
|
|
TypeDependentOperands,
|
|
DestLoweredTy,
|
|
DestFormalTy);
|
|
}
|
|
|
|
UnconditionalCheckedCastValueInst *UnconditionalCheckedCastValueInst::create(
|
|
SILDebugLocation DebugLoc,
|
|
SILValue Operand, CanType SrcFormalTy,
|
|
SILType DestLoweredTy, CanType DestFormalTy,
|
|
SILFunction &F, SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
DestFormalTy);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer =
|
|
Mod.allocateInst(size, alignof(UnconditionalCheckedCastValueInst));
|
|
return ::new (Buffer) UnconditionalCheckedCastValueInst(
|
|
DebugLoc, Operand, SrcFormalTy, TypeDependentOperands,
|
|
DestLoweredTy, DestFormalTy);
|
|
}
|
|
|
|
CheckedCastBranchInst *CheckedCastBranchInst::create(
|
|
SILDebugLocation DebugLoc, bool IsExact, SILValue Operand,
|
|
SILType DestLoweredTy, CanType DestFormalTy,
|
|
SILBasicBlock *SuccessBB, SILBasicBlock *FailureBB, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes, ProfileCounter Target1Count,
|
|
ProfileCounter Target2Count) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
DestFormalTy);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(CheckedCastBranchInst));
|
|
return ::new (Buffer) CheckedCastBranchInst(
|
|
DebugLoc, IsExact, Operand, TypeDependentOperands,
|
|
DestLoweredTy, DestFormalTy, SuccessBB, FailureBB,
|
|
Target1Count, Target2Count);
|
|
}
|
|
|
|
CheckedCastValueBranchInst *
|
|
CheckedCastValueBranchInst::create(SILDebugLocation DebugLoc,
|
|
SILValue Operand, CanType SrcFormalTy,
|
|
SILType DestLoweredTy, CanType DestFormalTy,
|
|
SILBasicBlock *SuccessBB, SILBasicBlock *FailureBB,
|
|
SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
DestFormalTy);
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(CheckedCastValueBranchInst));
|
|
return ::new (Buffer) CheckedCastValueBranchInst(
|
|
DebugLoc, Operand, SrcFormalTy, TypeDependentOperands,
|
|
DestLoweredTy, DestFormalTy,
|
|
SuccessBB, FailureBB);
|
|
}
|
|
|
|
MetatypeInst *MetatypeInst::create(SILDebugLocation Loc, SILType Ty,
|
|
SILFunction *F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F->getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, *F,
|
|
Ty.castTo<MetatypeType>().getInstanceType());
|
|
auto Size = totalSizeToAlloc<swift::Operand>(TypeDependentOperands.size());
|
|
auto Buffer = Mod.allocateInst(Size, alignof(MetatypeInst));
|
|
return ::new (Buffer) MetatypeInst(Loc, Ty, TypeDependentOperands);
|
|
}
|
|
|
|
UpcastInst *UpcastInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(UpcastInst));
|
|
return ::new (Buffer) UpcastInst(DebugLoc, Operand,
|
|
TypeDependentOperands, Ty);
|
|
}
|
|
|
|
ThinToThickFunctionInst *
|
|
ThinToThickFunctionInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(ThinToThickFunctionInst));
|
|
return ::new (Buffer) ThinToThickFunctionInst(DebugLoc, Operand,
|
|
TypeDependentOperands, Ty);
|
|
}
|
|
|
|
PointerToThinFunctionInst *
|
|
PointerToThinFunctionInst::create(SILDebugLocation DebugLoc, SILValue Operand,
|
|
SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(PointerToThinFunctionInst));
|
|
return ::new (Buffer) PointerToThinFunctionInst(DebugLoc, Operand,
|
|
TypeDependentOperands, Ty);
|
|
}
|
|
|
|
ConvertFunctionInst *ConvertFunctionInst::create(
|
|
SILDebugLocation DebugLoc, SILValue Operand, SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes, bool WithoutActuallyEscaping) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(ConvertFunctionInst));
|
|
auto *CFI = ::new (Buffer) ConvertFunctionInst(
|
|
DebugLoc, Operand, TypeDependentOperands, Ty, WithoutActuallyEscaping);
|
|
// If we do not have lowered SIL, make sure that are not performing
|
|
// ABI-incompatible conversions.
|
|
//
|
|
// *NOTE* We purposely do not use an early return here to ensure that in
|
|
// builds without assertions this whole if statement is optimized out.
|
|
if (F.getModule().getStage() != SILStage::Lowered) {
|
|
// Make sure we are not performing ABI-incompatible conversions.
|
|
CanSILFunctionType opTI =
|
|
CFI->getOperand()->getType().castTo<SILFunctionType>();
|
|
(void)opTI;
|
|
CanSILFunctionType resTI = CFI->getType().castTo<SILFunctionType>();
|
|
(void)resTI;
|
|
assert(opTI->isABICompatibleWith(resTI, F).isCompatible() &&
|
|
"Can not convert in between ABI incompatible function types");
|
|
}
|
|
return CFI;
|
|
}
|
|
|
|
bool ConvertFunctionInst::onlyConvertsSubstitutions() const {
|
|
auto fromType = getOperand()->getType().castTo<SILFunctionType>();
|
|
auto toType = getType().castTo<SILFunctionType>();
|
|
auto &M = getModule();
|
|
|
|
return fromType->getUnsubstitutedType(M) == toType->getUnsubstitutedType(M);
|
|
}
|
|
|
|
ConvertEscapeToNoEscapeInst *ConvertEscapeToNoEscapeInst::create(
|
|
SILDebugLocation DebugLoc, SILValue Operand, SILType Ty, SILFunction &F,
|
|
SILOpenedArchetypesState &OpenedArchetypes, bool isLifetimeGuaranteed) {
|
|
SILModule &Mod = F.getModule();
|
|
SmallVector<SILValue, 8> TypeDependentOperands;
|
|
collectTypeDependentOperands(TypeDependentOperands, OpenedArchetypes, F,
|
|
Ty.getASTType());
|
|
unsigned size =
|
|
totalSizeToAlloc<swift::Operand>(1 + TypeDependentOperands.size());
|
|
void *Buffer = Mod.allocateInst(size, alignof(ConvertEscapeToNoEscapeInst));
|
|
auto *CFI = ::new (Buffer) ConvertEscapeToNoEscapeInst(
|
|
DebugLoc, Operand, TypeDependentOperands, Ty, isLifetimeGuaranteed);
|
|
// If we do not have lowered SIL, make sure that are not performing
|
|
// ABI-incompatible conversions.
|
|
//
|
|
// *NOTE* We purposely do not use an early return here to ensure that in
|
|
// builds without assertions this whole if statement is optimized out.
|
|
if (F.getModule().getStage() != SILStage::Lowered) {
|
|
// Make sure we are not performing ABI-incompatible conversions.
|
|
CanSILFunctionType opTI =
|
|
CFI->getOperand()->getType().castTo<SILFunctionType>();
|
|
(void)opTI;
|
|
CanSILFunctionType resTI = CFI->getType().castTo<SILFunctionType>();
|
|
(void)resTI;
|
|
assert(opTI->isABICompatibleWith(resTI, F)
|
|
.isCompatibleUpToNoEscapeConversion() &&
|
|
"Can not convert in between ABI incompatible function types");
|
|
}
|
|
return CFI;
|
|
}
|
|
|
|
bool KeyPathPatternComponent::isComputedSettablePropertyMutating() const {
|
|
switch (getKind()) {
|
|
case Kind::StoredProperty:
|
|
case Kind::GettableProperty:
|
|
case Kind::OptionalChain:
|
|
case Kind::OptionalWrap:
|
|
case Kind::OptionalForce:
|
|
case Kind::TupleElement:
|
|
llvm_unreachable("not a settable computed property");
|
|
case Kind::SettableProperty: {
|
|
auto setter = getComputedPropertySetter();
|
|
return setter->getLoweredFunctionType()->getParameters()[1].getConvention()
|
|
== ParameterConvention::Indirect_Inout;
|
|
}
|
|
}
|
|
llvm_unreachable("unhandled kind");
|
|
}
|
|
|
|
static void
|
|
forEachRefcountableReference(const KeyPathPatternComponent &component,
|
|
llvm::function_ref<void (SILFunction*)> forFunction) {
|
|
switch (component.getKind()) {
|
|
case KeyPathPatternComponent::Kind::StoredProperty:
|
|
case KeyPathPatternComponent::Kind::OptionalChain:
|
|
case KeyPathPatternComponent::Kind::OptionalWrap:
|
|
case KeyPathPatternComponent::Kind::OptionalForce:
|
|
case KeyPathPatternComponent::Kind::TupleElement:
|
|
return;
|
|
case KeyPathPatternComponent::Kind::SettableProperty:
|
|
forFunction(component.getComputedPropertySetter());
|
|
LLVM_FALLTHROUGH;
|
|
case KeyPathPatternComponent::Kind::GettableProperty:
|
|
forFunction(component.getComputedPropertyGetter());
|
|
|
|
switch (component.getComputedPropertyId().getKind()) {
|
|
case KeyPathPatternComponent::ComputedPropertyId::DeclRef:
|
|
// Mark the vtable entry as used somehow?
|
|
break;
|
|
case KeyPathPatternComponent::ComputedPropertyId::Function:
|
|
forFunction(component.getComputedPropertyId().getFunction());
|
|
break;
|
|
case KeyPathPatternComponent::ComputedPropertyId::Property:
|
|
break;
|
|
}
|
|
|
|
if (auto equals = component.getSubscriptIndexEquals())
|
|
forFunction(equals);
|
|
if (auto hash = component.getSubscriptIndexHash())
|
|
forFunction(hash);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void KeyPathPatternComponent::incrementRefCounts() const {
|
|
forEachRefcountableReference(*this,
|
|
[&](SILFunction *f) { f->incrementRefCount(); });
|
|
}
|
|
void KeyPathPatternComponent::decrementRefCounts() const {
|
|
forEachRefcountableReference(*this,
|
|
[&](SILFunction *f) { f->decrementRefCount(); });
|
|
}
|
|
|
|
KeyPathPattern *
|
|
KeyPathPattern::get(SILModule &M, CanGenericSignature signature,
|
|
CanType rootType, CanType valueType,
|
|
ArrayRef<KeyPathPatternComponent> components,
|
|
StringRef objcString) {
|
|
llvm::FoldingSetNodeID id;
|
|
Profile(id, signature, rootType, valueType, components, objcString);
|
|
|
|
void *insertPos;
|
|
auto existing = M.KeyPathPatterns.FindNodeOrInsertPos(id, insertPos);
|
|
if (existing)
|
|
return existing;
|
|
|
|
// Determine the number of operands.
|
|
int maxOperandNo = -1;
|
|
for (auto component : components) {
|
|
switch (component.getKind()) {
|
|
case KeyPathPatternComponent::Kind::StoredProperty:
|
|
case KeyPathPatternComponent::Kind::OptionalChain:
|
|
case KeyPathPatternComponent::Kind::OptionalWrap:
|
|
case KeyPathPatternComponent::Kind::OptionalForce:
|
|
case KeyPathPatternComponent::Kind::TupleElement:
|
|
break;
|
|
|
|
case KeyPathPatternComponent::Kind::GettableProperty:
|
|
case KeyPathPatternComponent::Kind::SettableProperty:
|
|
for (auto &index : component.getSubscriptIndices()) {
|
|
maxOperandNo = std::max(maxOperandNo, (int)index.Operand);
|
|
}
|
|
}
|
|
}
|
|
|
|
auto newPattern = KeyPathPattern::create(M, signature, rootType, valueType,
|
|
components, objcString,
|
|
maxOperandNo + 1);
|
|
M.KeyPathPatterns.InsertNode(newPattern, insertPos);
|
|
return newPattern;
|
|
}
|
|
|
|
KeyPathPattern *
|
|
KeyPathPattern::create(SILModule &M, CanGenericSignature signature,
|
|
CanType rootType, CanType valueType,
|
|
ArrayRef<KeyPathPatternComponent> components,
|
|
StringRef objcString,
|
|
unsigned numOperands) {
|
|
auto totalSize = totalSizeToAlloc<KeyPathPatternComponent>(components.size());
|
|
void *mem = M.allocate(totalSize, alignof(KeyPathPatternComponent));
|
|
return ::new (mem) KeyPathPattern(signature, rootType, valueType,
|
|
components, objcString, numOperands);
|
|
}
|
|
|
|
KeyPathPattern::KeyPathPattern(CanGenericSignature signature,
|
|
CanType rootType, CanType valueType,
|
|
ArrayRef<KeyPathPatternComponent> components,
|
|
StringRef objcString,
|
|
unsigned numOperands)
|
|
: NumOperands(numOperands), NumComponents(components.size()),
|
|
Signature(signature), RootType(rootType), ValueType(valueType),
|
|
ObjCString(objcString)
|
|
{
|
|
auto *componentsBuf = getTrailingObjects<KeyPathPatternComponent>();
|
|
std::uninitialized_copy(components.begin(), components.end(),
|
|
componentsBuf);
|
|
}
|
|
|
|
ArrayRef<KeyPathPatternComponent>
|
|
KeyPathPattern::getComponents() const {
|
|
return {getTrailingObjects<KeyPathPatternComponent>(), NumComponents};
|
|
}
|
|
|
|
void KeyPathPattern::Profile(llvm::FoldingSetNodeID &ID,
|
|
CanGenericSignature signature,
|
|
CanType rootType,
|
|
CanType valueType,
|
|
ArrayRef<KeyPathPatternComponent> components,
|
|
StringRef objcString) {
|
|
ID.AddPointer(signature.getPointer());
|
|
ID.AddPointer(rootType.getPointer());
|
|
ID.AddPointer(valueType.getPointer());
|
|
ID.AddString(objcString);
|
|
|
|
auto profileIndices = [&](ArrayRef<KeyPathPatternComponent::Index> indices) {
|
|
for (auto &index : indices) {
|
|
ID.AddInteger(index.Operand);
|
|
ID.AddPointer(index.FormalType.getPointer());
|
|
ID.AddPointer(index.LoweredType.getOpaqueValue());
|
|
ID.AddPointer(index.Hashable.getOpaqueValue());
|
|
}
|
|
};
|
|
|
|
for (auto &component : components) {
|
|
ID.AddInteger((unsigned)component.getKind());
|
|
switch (component.getKind()) {
|
|
case KeyPathPatternComponent::Kind::OptionalForce:
|
|
case KeyPathPatternComponent::Kind::OptionalWrap:
|
|
case KeyPathPatternComponent::Kind::OptionalChain:
|
|
break;
|
|
|
|
case KeyPathPatternComponent::Kind::StoredProperty:
|
|
ID.AddPointer(component.getStoredPropertyDecl());
|
|
break;
|
|
|
|
case KeyPathPatternComponent::Kind::TupleElement:
|
|
ID.AddInteger(component.getTupleIndex());
|
|
break;
|
|
|
|
case KeyPathPatternComponent::Kind::SettableProperty:
|
|
ID.AddPointer(component.getComputedPropertySetter());
|
|
LLVM_FALLTHROUGH;
|
|
case KeyPathPatternComponent::Kind::GettableProperty:
|
|
ID.AddPointer(component.getComputedPropertyGetter());
|
|
auto id = component.getComputedPropertyId();
|
|
ID.AddInteger(id.getKind());
|
|
switch (id.getKind()) {
|
|
case KeyPathPatternComponent::ComputedPropertyId::DeclRef: {
|
|
auto declRef = id.getDeclRef();
|
|
ID.AddPointer(declRef.loc.getOpaqueValue());
|
|
ID.AddInteger((unsigned)declRef.kind);
|
|
ID.AddBoolean(declRef.isForeign);
|
|
ID.AddBoolean(declRef.defaultArgIndex);
|
|
break;
|
|
}
|
|
case KeyPathPatternComponent::ComputedPropertyId::Function: {
|
|
ID.AddPointer(id.getFunction());
|
|
break;
|
|
}
|
|
case KeyPathPatternComponent::ComputedPropertyId::Property: {
|
|
ID.AddPointer(id.getProperty());
|
|
break;
|
|
}
|
|
}
|
|
profileIndices(component.getSubscriptIndices());
|
|
ID.AddPointer(component.getExternalDecl());
|
|
component.getExternalSubstitutions().profile(ID);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
KeyPathInst *
|
|
KeyPathInst::create(SILDebugLocation Loc,
|
|
KeyPathPattern *Pattern,
|
|
SubstitutionMap Subs,
|
|
ArrayRef<SILValue> Args,
|
|
SILType Ty,
|
|
SILFunction &F) {
|
|
assert(Args.size() == Pattern->getNumOperands()
|
|
&& "number of key path args doesn't match pattern");
|
|
|
|
auto totalSize = totalSizeToAlloc<Operand>(Args.size());
|
|
void *mem = F.getModule().allocateInst(totalSize, alignof(KeyPathInst));
|
|
return ::new (mem) KeyPathInst(Loc, Pattern, Subs, Args, Ty);
|
|
}
|
|
|
|
KeyPathInst::KeyPathInst(SILDebugLocation Loc,
|
|
KeyPathPattern *Pattern,
|
|
SubstitutionMap Subs,
|
|
ArrayRef<SILValue> Args,
|
|
SILType Ty)
|
|
: InstructionBase(Loc, Ty),
|
|
Pattern(Pattern),
|
|
NumOperands(Pattern->getNumOperands()),
|
|
Substitutions(Subs)
|
|
{
|
|
auto *operandsBuf = getTrailingObjects<Operand>();
|
|
for (unsigned i = 0; i < Args.size(); ++i) {
|
|
::new ((void*)&operandsBuf[i]) Operand(this, Args[i]);
|
|
}
|
|
|
|
// Increment the use of any functions referenced from the keypath pattern.
|
|
for (auto component : Pattern->getComponents()) {
|
|
component.incrementRefCounts();
|
|
}
|
|
}
|
|
|
|
MutableArrayRef<Operand>
|
|
KeyPathInst::getAllOperands() {
|
|
return {getTrailingObjects<Operand>(), NumOperands};
|
|
}
|
|
|
|
KeyPathInst::~KeyPathInst() {
|
|
if (!Pattern)
|
|
return;
|
|
|
|
// Decrement the use of any functions referenced from the keypath pattern.
|
|
for (auto component : Pattern->getComponents()) {
|
|
component.decrementRefCounts();
|
|
}
|
|
// Destroy operands.
|
|
for (auto &operand : getAllOperands())
|
|
operand.~Operand();
|
|
}
|
|
|
|
KeyPathPattern *KeyPathInst::getPattern() const {
|
|
assert(Pattern && "pattern was reset!");
|
|
return Pattern;
|
|
}
|
|
|
|
void KeyPathInst::dropReferencedPattern() {
|
|
for (auto component : Pattern->getComponents()) {
|
|
component.decrementRefCounts();
|
|
}
|
|
Pattern = nullptr;
|
|
}
|
|
|
|
void KeyPathPatternComponent::
|
|
visitReferencedFunctionsAndMethods(
|
|
std::function<void (SILFunction *)> functionCallBack,
|
|
std::function<void (SILDeclRef)> methodCallBack) const {
|
|
switch (getKind()) {
|
|
case KeyPathPatternComponent::Kind::SettableProperty:
|
|
functionCallBack(getComputedPropertySetter());
|
|
LLVM_FALLTHROUGH;
|
|
case KeyPathPatternComponent::Kind::GettableProperty: {
|
|
functionCallBack(getComputedPropertyGetter());
|
|
auto id = getComputedPropertyId();
|
|
switch (id.getKind()) {
|
|
case KeyPathPatternComponent::ComputedPropertyId::DeclRef: {
|
|
methodCallBack(id.getDeclRef());
|
|
break;
|
|
}
|
|
case KeyPathPatternComponent::ComputedPropertyId::Function:
|
|
functionCallBack(id.getFunction());
|
|
break;
|
|
case KeyPathPatternComponent::ComputedPropertyId::Property:
|
|
break;
|
|
}
|
|
|
|
if (auto equals = getSubscriptIndexEquals())
|
|
functionCallBack(equals);
|
|
if (auto hash = getSubscriptIndexHash())
|
|
functionCallBack(hash);
|
|
|
|
break;
|
|
}
|
|
case KeyPathPatternComponent::Kind::StoredProperty:
|
|
case KeyPathPatternComponent::Kind::OptionalChain:
|
|
case KeyPathPatternComponent::Kind::OptionalForce:
|
|
case KeyPathPatternComponent::Kind::OptionalWrap:
|
|
case KeyPathPatternComponent::Kind::TupleElement:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
GenericSpecializationInformation::GenericSpecializationInformation(
|
|
SILFunction *Caller, SILFunction *Parent, SubstitutionMap Subs)
|
|
: Caller(Caller), Parent(Parent), Subs(Subs) {}
|
|
|
|
const GenericSpecializationInformation *
|
|
GenericSpecializationInformation::create(SILFunction *Caller,
|
|
SILFunction *Parent,
|
|
SubstitutionMap Subs) {
|
|
auto &M = Parent->getModule();
|
|
void *Buf = M.allocate(sizeof(GenericSpecializationInformation),
|
|
alignof(GenericSpecializationInformation));
|
|
return new (Buf) GenericSpecializationInformation(Caller, Parent, Subs);
|
|
}
|
|
|
|
const GenericSpecializationInformation *
|
|
GenericSpecializationInformation::create(SILInstruction *Inst, SILBuilder &B) {
|
|
auto Apply = ApplySite::isa(Inst);
|
|
// Preserve history only for apply instructions for now.
|
|
// NOTE: We may want to preserve history for all instructions in the future,
|
|
// because it may allow us to track their origins.
|
|
assert(Apply);
|
|
auto *F = Inst->getFunction();
|
|
auto &BuilderF = B.getFunction();
|
|
|
|
// If cloning inside the same function, don't change the specialization info.
|
|
if (F == &BuilderF) {
|
|
return Apply.getSpecializationInfo();
|
|
}
|
|
|
|
// The following lines are used in case of inlining.
|
|
|
|
// If a call-site has a history already, simply preserve it.
|
|
if (Apply.getSpecializationInfo())
|
|
return Apply.getSpecializationInfo();
|
|
|
|
// If a call-site has no history, use the history of a containing function.
|
|
if (F->isSpecialization())
|
|
return F->getSpecializationInfo();
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
static void computeAggregateFirstLevelSubtypeInfo(
|
|
const SILFunction &F, SILValue Operand,
|
|
llvm::SmallVectorImpl<SILType> &Types,
|
|
llvm::SmallVectorImpl<ValueOwnershipKind> &OwnershipKinds) {
|
|
auto &M = F.getModule();
|
|
SILType OpType = Operand->getType();
|
|
|
|
// TODO: Create an iterator for accessing first level projections to eliminate
|
|
// this SmallVector.
|
|
llvm::SmallVector<Projection, 8> Projections;
|
|
Projection::getFirstLevelProjections(OpType, M, F.getTypeExpansionContext(),
|
|
Projections);
|
|
|
|
auto OpOwnershipKind = Operand.getOwnershipKind();
|
|
for (auto &P : Projections) {
|
|
SILType ProjType = P.getType(OpType, M, F.getTypeExpansionContext());
|
|
Types.emplace_back(ProjType);
|
|
OwnershipKinds.emplace_back(
|
|
OpOwnershipKind.getProjectedOwnershipKind(F, ProjType));
|
|
}
|
|
}
|
|
|
|
DestructureStructInst *DestructureStructInst::create(const SILFunction &F,
|
|
SILDebugLocation Loc,
|
|
SILValue Operand) {
|
|
auto &M = F.getModule();
|
|
|
|
assert(Operand->getType().getStructOrBoundGenericStruct() &&
|
|
"Expected a struct typed operand?!");
|
|
|
|
llvm::SmallVector<SILType, 8> Types;
|
|
llvm::SmallVector<ValueOwnershipKind, 8> OwnershipKinds;
|
|
computeAggregateFirstLevelSubtypeInfo(F, Operand, Types, OwnershipKinds);
|
|
assert(Types.size() == OwnershipKinds.size() &&
|
|
"Expected same number of Types and OwnerKinds");
|
|
|
|
unsigned NumElts = Types.size();
|
|
unsigned Size =
|
|
totalSizeToAlloc<MultipleValueInstruction *, DestructureStructResult>(
|
|
1, NumElts);
|
|
|
|
void *Buffer = M.allocateInst(Size, alignof(DestructureStructInst));
|
|
|
|
return ::new (Buffer)
|
|
DestructureStructInst(M, Loc, Operand, Types, OwnershipKinds);
|
|
}
|
|
|
|
DestructureTupleInst *DestructureTupleInst::create(const SILFunction &F,
|
|
SILDebugLocation Loc,
|
|
SILValue Operand) {
|
|
auto &M = F.getModule();
|
|
|
|
assert(Operand->getType().is<TupleType>() &&
|
|
"Expected a tuple typed operand?!");
|
|
|
|
llvm::SmallVector<SILType, 8> Types;
|
|
llvm::SmallVector<ValueOwnershipKind, 8> OwnershipKinds;
|
|
computeAggregateFirstLevelSubtypeInfo(F, Operand, Types, OwnershipKinds);
|
|
assert(Types.size() == OwnershipKinds.size() &&
|
|
"Expected same number of Types and OwnerKinds");
|
|
|
|
// We add 1 since we store an offset to our
|
|
unsigned NumElts = Types.size();
|
|
unsigned Size =
|
|
totalSizeToAlloc<MultipleValueInstruction *, DestructureTupleResult>(
|
|
1, NumElts);
|
|
|
|
void *Buffer = M.allocateInst(Size, alignof(DestructureTupleInst));
|
|
|
|
return ::new (Buffer)
|
|
DestructureTupleInst(M, Loc, Operand, Types, OwnershipKinds);
|
|
}
|
|
|
|
SILType GetAsyncContinuationInstBase::getLoweredResumeType() const {
|
|
// The lowered resume type is the maximally-abstracted lowering of the
|
|
// formal resume type.
|
|
auto formalType = getFormalResumeType();
|
|
auto &M = getFunction()->getModule();
|
|
auto c = getFunction()->getTypeExpansionContext();
|
|
return M.Types.getLoweredType(AbstractionPattern::getOpaque(), formalType, c);
|
|
}
|
|
|
|
ReturnInst::ReturnInst(SILFunction &func, SILDebugLocation debugLoc,
|
|
SILValue returnValue)
|
|
: UnaryInstructionBase(debugLoc, returnValue),
|
|
ownershipKind(OwnershipKind::None) {
|
|
// If we have a trivial value, leave our ownership kind as none.
|
|
if (returnValue->getType().isTrivial(func))
|
|
return;
|
|
|
|
SILFunctionConventions fnConv = func.getConventions();
|
|
|
|
// If we do not have any direct SIL results, we should accept a tuple
|
|
// argument, meaning that we should have a none ownership kind.
|
|
auto results = fnConv.getDirectSILResults();
|
|
if (results.empty())
|
|
return;
|
|
|
|
auto ownershipKindRange =
|
|
makeTransformRange(results, [&](const SILResultInfo &info) {
|
|
return info.getOwnershipKind(func, func.getLoweredFunctionType());
|
|
});
|
|
|
|
// Then merge all of our ownership kinds. Assert if we fail to merge.
|
|
ownershipKind = ValueOwnershipKind::merge(ownershipKindRange);
|
|
assert(ownershipKind &&
|
|
"Conflicting ownership kinds when creating term inst from function "
|
|
"result info?!");
|
|
}
|