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a7bb61265c
We now enforce via an assert that each witness table is unique and that every protocol conformance that is referenceable from SIL must have a witness table matched to it. Also, I taught the linker that it should deserialize witness tables for InitExistentialRefInst instructions, something that was missed before. Swift SVN r17283
992 lines
42 KiB
C++
992 lines
42 KiB
C++
//===--- SILBuilder.h - Class for creating SIL Constructs --------*- C++ -*-==//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SIL_SILBUILDER_H
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#define SWIFT_SIL_SILBUILDER_H
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#include "swift/SIL/SILFunction.h"
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#include "swift/SIL/SILModule.h"
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namespace swift {
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class SILBuilder {
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/// BB - If this is non-null, the instruction is inserted in the specified
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/// basic block, at the specified InsertPt. If null, created instructions
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/// are not auto-inserted.
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SILFunction &F;
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SILBasicBlock *BB;
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SILBasicBlock::iterator InsertPt;
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/// InsertedInstrs - If this pointer is non-null, then any inserted
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/// instruction is recorded in this list.
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SmallVectorImpl<SILInstruction*> *InsertedInstrs = nullptr;
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public:
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SILBuilder(SILFunction &F) : F(F), BB(0) {}
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explicit SILBuilder(SILInstruction *I,
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SmallVectorImpl<SILInstruction*> *InsertedInstrs = 0)
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: F(*I->getParent()->getParent()), InsertedInstrs(InsertedInstrs) {
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setInsertionPoint(I);
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}
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explicit SILBuilder(SILBasicBlock *BB,
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SmallVectorImpl<SILInstruction*> *InsertedInstrs = 0)
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: F(*BB->getParent()), InsertedInstrs(InsertedInstrs) {
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setInsertionPoint(BB);
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}
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SILBuilder(SILBasicBlock *BB, SILBasicBlock::iterator InsertPt,
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SmallVectorImpl<SILInstruction*> *InsertedInstrs = 0)
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: F(*BB->getParent()), InsertedInstrs(InsertedInstrs) {
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setInsertionPoint(BB, InsertPt);
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}
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SILFunction &getFunction() const { return F; }
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SILModule &getModule() const { return F.getModule(); }
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ASTContext &getASTContext() const { return F.getASTContext(); }
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//===--------------------------------------------------------------------===//
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// Insertion Point Management
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//===--------------------------------------------------------------------===//
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bool hasValidInsertionPoint() const { return BB != nullptr; }
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SILBasicBlock *getInsertionBB() { return BB; }
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SILBasicBlock::iterator getInsertionPoint() { return InsertPt; }
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/// insertingAtEndOfBlock - Return true if the insertion point is at the end
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/// of the current basic block. False if we're inserting before an existing
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/// instruction.
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bool insertingAtEndOfBlock() const {
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assert(hasValidInsertionPoint() &&
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"Must have insertion point to ask about it");
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return InsertPt == BB->end();
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}
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/// clearInsertionPoint - Clear the insertion point: created instructions will
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/// not be inserted into a block.
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void clearInsertionPoint() {
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BB = nullptr;
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}
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/// setInsertionPoint - Set the insertion point.
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void setInsertionPoint(SILBasicBlock *BB, SILBasicBlock::iterator InsertPt) {
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this->BB = BB;
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this->InsertPt = InsertPt;
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}
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/// setInsertionPoint - Set the insertion point to insert before the specified
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/// instruction.
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void setInsertionPoint(SILInstruction *I) {
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setInsertionPoint(I->getParent(), I);
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}
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/// setInsertionPoint - Set the insertion point to insert at the end of the
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/// specified block.
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void setInsertionPoint(SILBasicBlock *BB) {
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setInsertionPoint(BB, BB->end());
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}
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SILBasicBlock *getInsertionPoint() const {
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return BB;
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}
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//===--------------------------------------------------------------------===//
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// Instruction Tracking
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//===--------------------------------------------------------------------===//
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/// Clients of SILBuilder who want to know about any newly created
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/// instructions can install a SmallVector into the builder to collect them.
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void setTrackingList(SmallVectorImpl<SILInstruction*> *II) {
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InsertedInstrs = II;
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}
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SmallVectorImpl<SILInstruction*> *getTrackingList() {
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return InsertedInstrs;
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}
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//===--------------------------------------------------------------------===//
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// Type remapping
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//===--------------------------------------------------------------------===//
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static SILType getPartialApplyResultType(SILType Ty, unsigned ArgCount,
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SILModule &M,
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ArrayRef<Substitution> subs);
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//===--------------------------------------------------------------------===//
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// CFG Manipulation
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//===--------------------------------------------------------------------===//
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/// moveBlockToEnd - Move a block to a new position in its function.
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void moveBlockTo(SILBasicBlock *BB, SILFunction::iterator IP) {
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SILFunction *F = BB->getParent();
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auto &Blocks = F->getBlocks();
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Blocks.splice(IP, Blocks, BB);
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}
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/// moveBlockToEnd - Reorder a block to the end of its containing function.
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void moveBlockToEnd(SILBasicBlock *BB) {
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moveBlockTo(BB, BB->getParent()->end());
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}
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/// \brief Move the specified block to the end of the function and reset the
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/// insertion point to point to the first instruction in the emitted block.
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///
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/// Assumes that no insertion point is currently active.
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void emitBlock(SILBasicBlock *BB);
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/// \brief Move the specified block to the current insertion point (which
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/// is the end of the function if there is no insertion point) and reset the
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/// insertion point to point to the first instruction in the emitted block.
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void emitBlock(SILBasicBlock *BB, SILLocation BranchLoc);
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/// splitBlockForFallthrough - Prepare for the insertion of a terminator. If
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/// the builder's insertion point is at the end of the current block (as when
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/// SILGen is creating the initial code for a function), just create and
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/// return a new basic block that will be later used for the continue point.
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///
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/// If the insertion point is valid (i.e., pointing to an existing
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/// instruction) then split the block at that instruction and return the
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/// continuation block.
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SILBasicBlock *splitBlockForFallthrough();
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//===--------------------------------------------------------------------===//
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// SILInstruction Creation Methods
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//===--------------------------------------------------------------------===//
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AllocStackInst *createAllocStack(SILLocation Loc, SILType elementType) {
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Loc.markAsPrologue();
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return insert(new (F.getModule()) AllocStackInst(Loc, elementType, F));
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}
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AllocRefInst *createAllocRef(SILLocation Loc, SILType elementType, bool objc){
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Loc.markAsPrologue();
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return insert(new (F.getModule()) AllocRefInst(Loc, elementType, F, objc));
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}
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AllocRefDynamicInst *createAllocRefDynamic(SILLocation loc, SILValue operand,
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SILType type, bool objc) {
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loc.markAsPrologue();
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return insert(new (F.getModule()) AllocRefDynamicInst(loc, operand, type,
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objc));
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}
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AllocBoxInst *createAllocBox(SILLocation Loc, SILType ElementType) {
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Loc.markAsPrologue();
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return insert(new (F.getModule())
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AllocBoxInst(Loc, ElementType, F));
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}
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AllocArrayInst *createAllocArray(SILLocation Loc, SILType ElementType,
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SILValue NumElements) {
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Loc.markAsPrologue();
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return insert(new (F.getModule())
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AllocArrayInst(Loc, ElementType, NumElements, F));
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}
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ApplyInst *createApply(SILLocation Loc, SILValue Fn,
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SILType SubstFnTy,
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SILType Result,
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ArrayRef<Substitution> Subs,
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ArrayRef<SILValue> Args,
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bool Transparent = false) {
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return insert(ApplyInst::create(Loc, Fn, SubstFnTy, Result,
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Subs, Args, Transparent, F));
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}
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ApplyInst *createApply(SILLocation Loc, SILValue Fn, ArrayRef<SILValue> Args,
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bool Transparent = false) {
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auto FnTy = Fn.getType();
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return createApply(Loc, Fn, FnTy,
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FnTy.castTo<SILFunctionType>()
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->getInterfaceResult()
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.getSILType(),
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ArrayRef<Substitution>(), Args, Transparent);
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}
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PartialApplyInst *createPartialApply(SILLocation Loc, SILValue Fn,
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SILType SubstFnTy,
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ArrayRef<Substitution> Subs,
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ArrayRef<SILValue> Args,
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SILType ClosureTy) {
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return insert(PartialApplyInst::create(Loc, Fn, SubstFnTy,
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Subs, Args, ClosureTy, F));
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}
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BuiltinFunctionRefInst *createBuiltinFunctionRef(SILLocation loc,
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Identifier Id,
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SILType ty) {
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return insert(new (F.getModule()) BuiltinFunctionRefInst(loc, Id, ty));
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}
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BuiltinFunctionRefInst *createBuiltinFunctionRef(SILLocation loc,
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StringRef Str,
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SILType ty) {
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return createBuiltinFunctionRef(loc, getASTContext().getIdentifier(Str),ty);
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}
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FunctionRefInst *createFunctionRef(SILLocation loc, SILFunction *f) {
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return insert(new (F.getModule()) FunctionRefInst(loc, f));
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}
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GlobalAddrInst *createGlobalAddr(SILLocation loc, VarDecl *g, SILType ty) {
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return insert(new (F.getModule()) GlobalAddrInst(loc, g, ty));
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}
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SILGlobalAddrInst *createSILGlobalAddr(SILLocation loc, SILGlobalVariable *g){
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return insert(new (F.getModule()) SILGlobalAddrInst(loc, g));
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}
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IntegerLiteralInst *createIntegerLiteral(IntegerLiteralExpr *E) {
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return insert(IntegerLiteralInst::create(E, F));
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}
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IntegerLiteralInst *createIntegerLiteral(CharacterLiteralExpr *E) {
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return insert(IntegerLiteralInst::create(E, F));
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}
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IntegerLiteralInst *createIntegerLiteral(SILLocation Loc, SILType Ty,
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intmax_t Value) {
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return insert(IntegerLiteralInst::create(Loc, Ty, Value, F));
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}
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IntegerLiteralInst *createIntegerLiteral(SILLocation Loc, SILType Ty,
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const APInt &Value) {
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return insert(IntegerLiteralInst::create(Loc, Ty, Value, F));
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}
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FloatLiteralInst *createFloatLiteral(FloatLiteralExpr *E) {
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return insert(FloatLiteralInst::create(E, F));
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}
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FloatLiteralInst *createFloatLiteral(SILLocation Loc, SILType Ty,
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const APFloat &Value) {
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return insert(FloatLiteralInst::create(Loc, Ty, Value, F));
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}
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StringLiteralInst *createStringLiteral(SILLocation loc, StringRef text,
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StringLiteralInst::Encoding encoding) {
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return insert(StringLiteralInst::create(loc, text, encoding, F));
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}
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LoadInst *createLoad(SILLocation Loc, SILValue LV) {
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return insert(new (F.getModule()) LoadInst(Loc, LV));
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}
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StoreInst *createStore(SILLocation Loc, SILValue Src, SILValue DestAddr) {
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return insert(new (F.getModule()) StoreInst(Loc, Src, DestAddr));
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}
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AssignInst *createAssign(SILLocation Loc, SILValue Src, SILValue DestAddr) {
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return insert(new (F.getModule()) AssignInst(Loc, Src, DestAddr));
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}
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MarkUninitializedInst *createMarkUninitialized(SILLocation loc, SILValue src,
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MarkUninitializedInst::Kind k){
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return insert(new (F.getModule()) MarkUninitializedInst(loc, src, k));
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}
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MarkUninitializedInst *createMarkUninitializedVar(SILLocation loc,
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SILValue src) {
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return createMarkUninitialized(loc, src, MarkUninitializedInst::Var);
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}
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MarkUninitializedInst *createMarkUninitializedRootSelf(SILLocation loc,
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SILValue src) {
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return createMarkUninitialized(loc, src, MarkUninitializedInst::RootSelf);
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}
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MarkFunctionEscapeInst *createMarkFunctionEscape(SILLocation loc,
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ArrayRef<SILValue> vars) {
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return insert(MarkFunctionEscapeInst::create(loc, vars, F));
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}
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DebugValueInst *createDebugValue(SILLocation loc, SILValue src) {
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return insert(new (F.getModule()) DebugValueInst(loc, src));
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}
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DebugValueAddrInst *createDebugValueAddr(SILLocation loc, SILValue src) {
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return insert(new (F.getModule()) DebugValueAddrInst(loc, src));
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}
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LoadWeakInst *createLoadWeak(SILLocation loc, SILValue src, IsTake_t isTake) {
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return insert(new (F.getModule()) LoadWeakInst(loc, src, isTake));
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}
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StoreWeakInst *createStoreWeak(SILLocation loc, SILValue value,
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SILValue dest, IsInitialization_t isInit) {
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return insert(new (F.getModule()) StoreWeakInst(loc, value, dest, isInit));
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}
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CopyAddrInst *createCopyAddr(SILLocation loc, SILValue srcAddr,
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SILValue destAddr, IsTake_t isTake,
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IsInitialization_t isInitialize) {
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return insert(new (F.getModule())
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CopyAddrInst(loc, srcAddr, destAddr, isTake, isInitialize));
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}
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ConvertFunctionInst *createConvertFunction(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) ConvertFunctionInst(Loc, Op, Ty));
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}
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UpcastInst *createUpcast(SILLocation Loc, SILValue Op, SILType Ty) {
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return insert(new (F.getModule()) UpcastInst(Loc, Op, Ty));
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}
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AddressToPointerInst *createAddressToPointer(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) AddressToPointerInst(Loc, Op, Ty));
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}
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PointerToAddressInst *createPointerToAddress(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) PointerToAddressInst(Loc, Op, Ty));
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}
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UncheckedRefCastInst *createUncheckedRefCast(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) UncheckedRefCastInst(Loc, Op, Ty));
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}
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UncheckedAddrCastInst *createUncheckedAddrCast(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) UncheckedAddrCastInst(Loc, Op, Ty));
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}
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RefToRawPointerInst *createRefToRawPointer(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) RefToRawPointerInst(Loc, Op, Ty));
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}
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RawPointerToRefInst *createRawPointerToRef(SILLocation Loc, SILValue Op,
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SILType Ty) {
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return insert(new (F.getModule()) RawPointerToRefInst(Loc, Op, Ty));
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}
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ThinToThickFunctionInst *createThinToThickFunction(SILLocation Loc,
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SILValue Op, SILType Ty) {
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return insert(new (F.getModule()) ThinToThickFunctionInst(Loc, Op, Ty));
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}
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ThickToObjCMetatypeInst *createThickToObjCMetatype(SILLocation Loc,
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SILValue Op, SILType Ty) {
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return insert(new (F.getModule()) ThickToObjCMetatypeInst(Loc, Op, Ty));
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}
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ObjCToThickMetatypeInst *createObjCToThickMetatype(SILLocation Loc,
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SILValue Op, SILType Ty) {
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return insert(new (F.getModule()) ObjCToThickMetatypeInst(Loc, Op, Ty));
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}
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UnownedToRefInst *createUnownedToRef(SILLocation loc,
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SILValue op, SILType ty) {
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return insert(new (F.getModule()) UnownedToRefInst(loc, op, ty));
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}
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RefToUnownedInst *createRefToUnowned(SILLocation loc,
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SILValue op, SILType ty) {
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return insert(new (F.getModule()) RefToUnownedInst(loc, op, ty));
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}
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UnmanagedToRefInst *createUnmanagedToRef(SILLocation loc,
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SILValue op, SILType ty) {
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return insert(new (F.getModule()) UnmanagedToRefInst(loc, op, ty));
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}
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RefToUnmanagedInst *createRefToUnmanaged(SILLocation loc,
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SILValue op, SILType ty) {
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return insert(new (F.getModule()) RefToUnmanagedInst(loc, op, ty));
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}
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IsNonnullInst *createIsNonnull(SILLocation loc,
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SILValue operand) {
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return insert(new (F.getModule())
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IsNonnullInst(loc, operand,
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SILType::getBuiltinIntegerType(1, getASTContext())));
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}
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UnconditionalCheckedCastInst *createUnconditionalCheckedCast(SILLocation loc,
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CheckedCastKind kind,
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SILValue op,
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SILType destTy) {
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return insert(new (F.getModule())
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UnconditionalCheckedCastInst(loc, kind, op, destTy));
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}
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RetainValueInst *createRetainValue(SILLocation loc, SILValue operand) {
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return insert(new (F.getModule()) RetainValueInst(loc, operand));
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}
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ReleaseValueInst *createReleaseValue(SILLocation loc, SILValue operand) {
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return insert(new (F.getModule()) ReleaseValueInst(loc, operand));
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}
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AutoreleaseValueInst *createAutoreleaseValue(SILLocation loc, SILValue operand) {
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return insert(new (F.getModule()) AutoreleaseValueInst(loc, operand));
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}
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StructInst *createStruct(SILLocation Loc, SILType Ty,
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ArrayRef<SILValue> Elements) {
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return insert(StructInst::create(Loc, Ty, Elements, F));
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}
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TupleInst *createTuple(SILLocation Loc, SILType Ty,
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ArrayRef<SILValue> Elements) {
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return insert(TupleInst::create(Loc, Ty, Elements, F));
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}
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EnumInst *createEnum(SILLocation Loc, SILValue Operand,
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EnumElementDecl *Element, SILType Ty) {
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return insert(new (F.getModule()) EnumInst(Loc, Operand, Element, Ty));
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}
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InitEnumDataAddrInst *createInitEnumDataAddr(SILLocation Loc, SILValue Operand,
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EnumElementDecl *Element, SILType Ty) {
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return insert(
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new (F.getModule()) InitEnumDataAddrInst(Loc, Operand, Element, Ty));
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}
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UncheckedEnumDataInst *createUncheckedEnumData(SILLocation Loc, SILValue Operand,
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EnumElementDecl *Element, SILType Ty) {
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return insert(
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new (F.getModule()) UncheckedEnumDataInst(Loc, Operand, Element, Ty));
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}
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UncheckedTakeEnumDataAddrInst *createUncheckedTakeEnumDataAddr(SILLocation Loc, SILValue Operand,
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EnumElementDecl *Element, SILType Ty) {
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return insert(
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new (F.getModule()) UncheckedTakeEnumDataAddrInst(Loc, Operand, Element, Ty));
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}
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InjectEnumAddrInst *createInjectEnumAddr(SILLocation Loc, SILValue Operand,
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EnumElementDecl *Element) {
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return insert(new (F.getModule())
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InjectEnumAddrInst(Loc, Operand, Element));
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}
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TupleExtractInst *createTupleExtract(SILLocation Loc, SILValue Operand,
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unsigned FieldNo, SILType ResultTy) {
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return insert(new (F.getModule())
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TupleExtractInst(Loc, Operand, FieldNo, ResultTy));
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}
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|
|
TupleExtractInst *createTupleExtract(SILLocation Loc, SILValue Operand,
|
|
unsigned FieldNo) {
|
|
auto type = Operand.getType().getTupleElementType(FieldNo);
|
|
return createTupleExtract(Loc, Operand, FieldNo, type);
|
|
}
|
|
|
|
TupleElementAddrInst *createTupleElementAddr(SILLocation Loc,
|
|
SILValue Operand,
|
|
unsigned FieldNo,
|
|
SILType ResultTy) {
|
|
return insert(new (F.getModule())
|
|
TupleElementAddrInst(Loc, Operand, FieldNo, ResultTy));
|
|
}
|
|
|
|
TupleElementAddrInst *createTupleElementAddr(SILLocation Loc,
|
|
SILValue Operand,
|
|
unsigned FieldNo) {
|
|
return insert(new (F.getModule())
|
|
TupleElementAddrInst(Loc, Operand, FieldNo,
|
|
Operand.getType().getTupleElementType(FieldNo)));
|
|
}
|
|
|
|
StructExtractInst *createStructExtract(SILLocation Loc,
|
|
SILValue Operand,
|
|
VarDecl *Field,
|
|
SILType ResultTy) {
|
|
return insert(new (F.getModule())
|
|
StructExtractInst(Loc, Operand, Field, ResultTy));
|
|
}
|
|
|
|
StructExtractInst *createStructExtract(SILLocation Loc,
|
|
SILValue Operand,
|
|
VarDecl *Field) {
|
|
auto type = Operand.getType().getFieldType(Field, F.getModule());
|
|
return createStructExtract(Loc, Operand, Field, type);
|
|
}
|
|
|
|
|
|
StructElementAddrInst *createStructElementAddr(SILLocation Loc,
|
|
SILValue Operand,
|
|
VarDecl *Field,
|
|
SILType ResultTy) {
|
|
return insert(new (F.getModule())
|
|
StructElementAddrInst(Loc, Operand, Field, ResultTy));
|
|
}
|
|
|
|
StructElementAddrInst *createStructElementAddr(SILLocation Loc,
|
|
SILValue Operand,
|
|
VarDecl *Field) {
|
|
auto ResultTy = Operand.getType().getFieldType(Field, F.getModule());
|
|
return createStructElementAddr(Loc, Operand, Field, ResultTy);
|
|
}
|
|
|
|
RefElementAddrInst *createRefElementAddr(SILLocation Loc, SILValue Operand,
|
|
VarDecl *Field, SILType ResultTy) {
|
|
return insert(new (F.getModule())
|
|
RefElementAddrInst(Loc, Operand, Field, ResultTy));
|
|
}
|
|
RefElementAddrInst *createRefElementAddr(SILLocation Loc, SILValue Operand,
|
|
VarDecl *Field) {
|
|
auto ResultTy = Operand.getType().getFieldType(Field, F.getModule());
|
|
return createRefElementAddr(Loc, Operand, Field, ResultTy);
|
|
}
|
|
|
|
ClassMethodInst *createClassMethod(SILLocation Loc, SILValue Operand,
|
|
SILDeclRef Member, SILType MethodTy,
|
|
bool Volatile = false) {
|
|
return insert(new (F.getModule())
|
|
ClassMethodInst(Loc, Operand, Member, MethodTy, Volatile));
|
|
}
|
|
|
|
SuperMethodInst *createSuperMethod(SILLocation Loc, SILValue Operand,
|
|
SILDeclRef Member, SILType MethodTy,
|
|
bool Volatile = false) {
|
|
return insert(new (F.getModule())
|
|
SuperMethodInst(Loc, Operand, Member, MethodTy, Volatile));
|
|
}
|
|
|
|
WitnessMethodInst *createWitnessMethod(SILLocation Loc, SILType LookupTy,
|
|
ProtocolConformance *Conformance,
|
|
SILDeclRef Member,
|
|
SILType MethodTy,
|
|
bool Volatile = false)
|
|
{
|
|
return insert(WitnessMethodInst::create(Loc, LookupTy, Conformance, Member,
|
|
MethodTy, &F, Volatile));
|
|
}
|
|
|
|
ProtocolMethodInst *createProtocolMethod(SILLocation Loc, SILValue Operand,
|
|
SILDeclRef Member, SILType MethodTy,
|
|
bool Volatile = false) {
|
|
return insert(new (F.getModule())
|
|
ProtocolMethodInst(Loc, Operand, Member, MethodTy,
|
|
Volatile));
|
|
}
|
|
|
|
DynamicMethodInst *createDynamicMethod(SILLocation Loc, SILValue Operand,
|
|
SILDeclRef Member, SILType MethodTy,
|
|
bool Volatile = false) {
|
|
return insert(new (F.getModule())
|
|
DynamicMethodInst(Loc, Operand, Member, MethodTy,
|
|
Volatile));
|
|
}
|
|
|
|
ProjectExistentialInst *createProjectExistential(SILLocation Loc,
|
|
SILValue Operand,
|
|
SILType SelfTy) {
|
|
return insert(new (F.getModule())
|
|
ProjectExistentialInst(Loc, Operand, SelfTy));
|
|
}
|
|
|
|
ProjectExistentialRefInst *createProjectExistentialRef(SILLocation Loc,
|
|
SILValue Operand,
|
|
SILType Ty) {
|
|
return insert(new (F.getModule())
|
|
ProjectExistentialRefInst(Loc, Operand, Ty));
|
|
}
|
|
|
|
OpenExistentialInst *createOpenExistential(SILLocation Loc, SILValue Operand,
|
|
SILType SelfTy) {
|
|
return insert(new (F.getModule())
|
|
OpenExistentialInst(Loc, Operand, SelfTy));
|
|
}
|
|
|
|
OpenExistentialRefInst *createOpenExistentialRef(SILLocation Loc,
|
|
SILValue Operand,
|
|
SILType Ty) {
|
|
return insert(new (F.getModule())
|
|
OpenExistentialRefInst(Loc, Operand, Ty));
|
|
}
|
|
|
|
InitExistentialInst *
|
|
createInitExistential(SILLocation Loc,
|
|
SILValue Existential,
|
|
SILType ConcreteType,
|
|
ArrayRef<ProtocolConformance*> Conformances) {
|
|
return insert(InitExistentialInst::create(Loc, Existential, ConcreteType,
|
|
Conformances, &F));
|
|
}
|
|
|
|
InitExistentialRefInst *
|
|
createInitExistentialRef(SILLocation Loc, SILType ExistentialType,
|
|
SILValue Concrete,
|
|
ArrayRef<ProtocolConformance*> Conformances) {
|
|
return insert(InitExistentialRefInst::create(Loc, ExistentialType, Concrete,
|
|
Conformances, &F));
|
|
}
|
|
|
|
UpcastExistentialInst *createUpcastExistential(SILLocation Loc,
|
|
SILValue SrcExistential,
|
|
SILValue DestExistential,
|
|
IsTake_t isTakeOfSrc) {
|
|
return insert(new (F.getModule())
|
|
UpcastExistentialInst(Loc, SrcExistential, DestExistential,
|
|
isTakeOfSrc));
|
|
}
|
|
|
|
UpcastExistentialRefInst *createUpcastExistentialRef(SILLocation Loc,
|
|
SILValue Operand,
|
|
SILType Ty) {
|
|
return insert(new (F.getModule())
|
|
UpcastExistentialRefInst(Loc, Operand, Ty));
|
|
}
|
|
|
|
DeinitExistentialInst *createDeinitExistential(SILLocation Loc,
|
|
SILValue Existential) {
|
|
return insert(new (F.getModule()) DeinitExistentialInst(Loc, Existential));
|
|
}
|
|
|
|
ProjectBlockStorageInst *createProjectBlockStorage(SILLocation Loc,
|
|
SILValue Storage) {
|
|
auto CaptureTy =
|
|
Storage.getType().castTo<SILBlockStorageType>()->getCaptureAddressType();
|
|
return createProjectBlockStorage(Loc, Storage, CaptureTy);
|
|
}
|
|
ProjectBlockStorageInst *createProjectBlockStorage(SILLocation Loc,
|
|
SILValue Storage,
|
|
SILType CaptureTy) {
|
|
return insert(new (F.getModule()) ProjectBlockStorageInst(Loc, Storage,
|
|
CaptureTy));
|
|
}
|
|
|
|
InitBlockStorageHeaderInst *createInitBlockStorageHeader(SILLocation Loc,
|
|
SILValue BlockStorage,
|
|
SILValue InvokeFunction,
|
|
SILType BlockType) {
|
|
return insert(new (F.getModule()) InitBlockStorageHeaderInst(Loc,
|
|
BlockStorage,
|
|
InvokeFunction,
|
|
BlockType));
|
|
}
|
|
|
|
MetatypeInst *createMetatype(SILLocation Loc, SILType Metatype) {
|
|
return insert(new (F.getModule()) MetatypeInst(Loc, Metatype));
|
|
}
|
|
|
|
ValueMetatypeInst *createValueMetatype(SILLocation Loc,
|
|
SILType Metatype,
|
|
SILValue Base) {
|
|
return insert(new (F.getModule())
|
|
ValueMetatypeInst(Loc, Metatype, Base));
|
|
}
|
|
|
|
ExistentialMetatypeInst *createExistentialMetatype(SILLocation Loc,
|
|
SILType Metatype,
|
|
SILValue Base) {
|
|
return insert(new (F.getModule()) ExistentialMetatypeInst(Loc, Metatype,Base));
|
|
}
|
|
|
|
CopyBlockInst *createCopyBlock(SILLocation Loc, SILValue Operand) {
|
|
return insert(new (F.getModule()) CopyBlockInst(Loc, Operand));
|
|
}
|
|
StrongRetainInst *createStrongRetain(SILLocation Loc, SILValue Operand) {
|
|
return insert(new (F.getModule()) StrongRetainInst(Loc, Operand));
|
|
}
|
|
StrongReleaseInst *createStrongRelease(SILLocation Loc, SILValue Operand) {
|
|
return insert(new (F.getModule()) StrongReleaseInst(Loc, Operand));
|
|
}
|
|
StrongRetainAutoreleasedInst *
|
|
createStrongRetainAutoreleased(SILLocation Loc, SILValue Operand) {
|
|
return insert(new (F.getModule()) StrongRetainAutoreleasedInst(Loc, Operand));
|
|
}
|
|
StrongRetainUnownedInst *createStrongRetainUnowned(SILLocation Loc,
|
|
SILValue Operand) {
|
|
return insert(new (F.getModule()) StrongRetainUnownedInst(Loc, Operand));
|
|
}
|
|
UnownedRetainInst *createUnownedRetain(SILLocation Loc,
|
|
SILValue Operand) {
|
|
return insert(new (F.getModule()) UnownedRetainInst(Loc, Operand));
|
|
}
|
|
UnownedReleaseInst *createUnownedRelease(SILLocation Loc,
|
|
SILValue Operand) {
|
|
return insert(new (F.getModule()) UnownedReleaseInst(Loc, Operand));
|
|
}
|
|
FixLifetimeInst *createFixLifetime(SILLocation Loc,
|
|
SILValue Operand) {
|
|
return insert(new (F.getModule()) FixLifetimeInst(Loc, Operand));
|
|
}
|
|
void emitFixLifetime(SILLocation Loc,
|
|
SILValue Operand) {
|
|
if (F.getModule().getTypeLowering(Operand.getType()).isTrivial())
|
|
return;
|
|
createFixLifetime(Loc, Operand);
|
|
}
|
|
|
|
DeallocStackInst *createDeallocStack(SILLocation loc, SILValue operand) {
|
|
return insert(new (F.getModule()) DeallocStackInst(loc, operand));
|
|
}
|
|
DeallocRefInst *createDeallocRef(SILLocation loc, SILValue operand) {
|
|
return insert(new (F.getModule()) DeallocRefInst(loc, operand));
|
|
}
|
|
DeallocBoxInst *createDeallocBox(SILLocation loc, SILType eltType,
|
|
SILValue operand) {
|
|
return insert(new (F.getModule()) DeallocBoxInst(loc, eltType, operand));
|
|
}
|
|
DestroyAddrInst *createDestroyAddr(SILLocation Loc, SILValue Operand) {
|
|
return insert(new (F.getModule()) DestroyAddrInst(Loc, Operand));
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Runtime failure
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
CondFailInst *createCondFail(SILLocation Loc, SILValue Operand) {
|
|
return insert(new (F.getModule()) CondFailInst(Loc, Operand));
|
|
}
|
|
|
|
BuiltinFunctionRefInst *createBuiltinTrap(SILLocation Loc) {
|
|
ASTContext &AST = F.getModule().getASTContext();
|
|
// builtin_function_ref "int_trap" : $@thin @noreturn () -> ()
|
|
auto bfrInfo = SILFunctionType::ExtInfo(AbstractCC::Freestanding,
|
|
SILFunctionType::Representation::Thin,
|
|
/*noreturn*/ true,
|
|
/*autoclosure*/ false);
|
|
SILResultInfo Result(TupleType::getEmpty(AST), ResultConvention::Unowned);
|
|
auto bfrFnType = SILFunctionType::get(nullptr, bfrInfo,
|
|
ParameterConvention::Direct_Owned,
|
|
ArrayRef<SILParameterInfo>(), Result,
|
|
AST);
|
|
return createBuiltinFunctionRef(Loc, "int_trap",
|
|
SILType::getPrimitiveObjectType(bfrFnType));
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Array indexing instructions
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
IndexAddrInst *createIndexAddr(SILLocation loc,
|
|
SILValue Operand, SILValue Index) {
|
|
return insert(new (F.getModule()) IndexAddrInst(loc, Operand, Index));
|
|
}
|
|
|
|
IndexRawPointerInst *createIndexRawPointer(SILLocation loc,
|
|
SILValue Operand, SILValue Index) {
|
|
return insert(new (F.getModule()) IndexRawPointerInst(loc, Operand, Index));
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Terminator SILInstruction Creation Methods
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
UnreachableInst *createUnreachable(SILLocation Loc) {
|
|
return insertTerminator(new (F.getModule()) UnreachableInst(Loc));
|
|
}
|
|
|
|
ReturnInst *createReturn(SILLocation Loc, SILValue ReturnValue) {
|
|
return insertTerminator(new (F.getModule()) ReturnInst(Loc, ReturnValue));
|
|
}
|
|
|
|
AutoreleaseReturnInst *createAutoreleaseReturn(SILLocation Loc,
|
|
SILValue ReturnValue) {
|
|
return insertTerminator(new (F.getModule())
|
|
AutoreleaseReturnInst(Loc, ReturnValue));
|
|
}
|
|
|
|
CondBranchInst *createCondBranch(SILLocation Loc, SILValue Cond,
|
|
SILBasicBlock *Target1,
|
|
SILBasicBlock *Target2) {
|
|
return insertTerminator(CondBranchInst::create(Loc, Cond,
|
|
Target1, Target2, F));
|
|
}
|
|
|
|
CondBranchInst *createCondBranch(SILLocation Loc, SILValue Cond,
|
|
SILBasicBlock *Target1,
|
|
ArrayRef<SILValue> Args1,
|
|
SILBasicBlock *Target2,
|
|
ArrayRef<SILValue> Args2) {
|
|
return insertTerminator(CondBranchInst::create(Loc, Cond,
|
|
Target1, Args1,
|
|
Target2, Args2,
|
|
F));
|
|
}
|
|
|
|
CondBranchInst *createCondBranch(SILLocation Loc, SILValue Cond,
|
|
SILBasicBlock *Target1,
|
|
OperandValueArrayRef Args1,
|
|
SILBasicBlock *Target2,
|
|
OperandValueArrayRef Args2) {
|
|
SmallVector<SILValue, 6> ArgsCopy1;
|
|
SmallVector<SILValue, 6> ArgsCopy2;
|
|
|
|
ArgsCopy1.reserve(Args1.size());
|
|
ArgsCopy2.reserve(Args2.size());
|
|
|
|
for (auto I = Args1.begin(), E = Args1.end(); I != E; ++I)
|
|
ArgsCopy1.push_back(*I);
|
|
for (auto I = Args2.begin(), E = Args2.end(); I != E; ++I)
|
|
ArgsCopy2.push_back(*I);
|
|
|
|
return insertTerminator(CondBranchInst::create(Loc, Cond,
|
|
Target1, ArgsCopy1,
|
|
Target2, ArgsCopy2,
|
|
F));
|
|
}
|
|
|
|
BranchInst *createBranch(SILLocation Loc, SILBasicBlock *TargetBlock) {
|
|
return insertTerminator(BranchInst::create(Loc, TargetBlock, F));
|
|
}
|
|
|
|
BranchInst *createBranch(SILLocation Loc, SILBasicBlock *TargetBlock,
|
|
ArrayRef<SILValue> Args) {
|
|
return insertTerminator(BranchInst::create(Loc, TargetBlock, Args, F));
|
|
}
|
|
|
|
BranchInst *createBranch(SILLocation Loc, SILBasicBlock *TargetBlock,
|
|
OperandValueArrayRef Args);
|
|
|
|
SwitchIntInst *createSwitchInt(SILLocation Loc, SILValue Operand,
|
|
SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<APInt, SILBasicBlock*>> CaseBBs) {
|
|
return insertTerminator(SwitchIntInst::create(Loc, Operand, DefaultBB,
|
|
CaseBBs, F));
|
|
}
|
|
|
|
SwitchEnumInst *createSwitchEnum(SILLocation Loc, SILValue Operand,
|
|
SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<EnumElementDecl*, SILBasicBlock*>> CaseBBs) {
|
|
return insertTerminator(SwitchEnumInst::create(Loc, Operand, DefaultBB,
|
|
CaseBBs, F));
|
|
}
|
|
|
|
SwitchEnumAddrInst *
|
|
createSwitchEnumAddr(SILLocation Loc, SILValue Operand,
|
|
SILBasicBlock *DefaultBB,
|
|
ArrayRef<std::pair<EnumElementDecl*, SILBasicBlock*>> CaseBBs) {
|
|
return insertTerminator(
|
|
SwitchEnumAddrInst::create(Loc, Operand, DefaultBB,
|
|
CaseBBs, F));
|
|
}
|
|
|
|
DynamicMethodBranchInst *
|
|
createDynamicMethodBranch(SILLocation Loc, SILValue Operand,
|
|
SILDeclRef Member,
|
|
SILBasicBlock *HasMethodBB,
|
|
SILBasicBlock *NoMethodBB) {
|
|
return insertTerminator(
|
|
DynamicMethodBranchInst::create(Loc, Operand, Member, HasMethodBB,
|
|
NoMethodBB, F));
|
|
}
|
|
|
|
CheckedCastBranchInst *createCheckedCastBranch(SILLocation loc,
|
|
CheckedCastKind kind,
|
|
SILValue op,
|
|
SILType destTy,
|
|
SILBasicBlock *successBB,
|
|
SILBasicBlock *failureBB) {
|
|
return insertTerminator(new (F.getModule())
|
|
CheckedCastBranchInst(loc, kind, op, destTy,
|
|
successBB, failureBB));
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Memory management helpers
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
/// Try to fold a destroy_addr operation into the previous instructions, or
|
|
/// generate an explicit one if that fails. If this inserts a new
|
|
/// instruction, it returns it, otherwise it returns null.
|
|
DestroyAddrInst *emitDestroyAddr(SILLocation Loc, SILValue Operand);
|
|
|
|
/// Perform a strong_release instruction at the current location, attempting
|
|
/// to fold it locally into nearby retain instructions or emitting an explicit
|
|
/// strong release if necessary. If this inserts a new instruction, it
|
|
/// returns it, otherwise it returns null.
|
|
StrongReleaseInst *emitStrongRelease(SILLocation Loc, SILValue Operand);
|
|
|
|
/// Emit a release_value instruction at the current location, attempting to
|
|
/// fold it locally into another nearby retain_value instruction. This
|
|
/// returns the new instruction if it inserts one, otherwise it returns null.
|
|
///
|
|
/// This instruction doesn't handle strength reduction of release_value into
|
|
/// a noop / strong_release / unowned_release. For that, use the
|
|
/// emitReleaseValueOperation method below or use the TypeLowering API.
|
|
ReleaseValueInst *emitReleaseValue(SILLocation Loc, SILValue Operand);
|
|
|
|
|
|
/// Convenience function for calling emitRetain on the type lowering
|
|
/// for the non-address value.
|
|
void emitRetainValueOperation(SILLocation loc, SILValue v) {
|
|
assert(!v.getType().isAddress());
|
|
auto &lowering = F.getModule().getTypeLowering(v.getType());
|
|
return lowering.emitRetainValue(*this, loc, v);
|
|
}
|
|
|
|
/// Convenience function for calling TypeLowering.emitRelease on the type
|
|
/// lowering for the non-address value.
|
|
void emitReleaseValueOperation(SILLocation loc, SILValue v) {
|
|
assert(!v.getType().isAddress());
|
|
auto &lowering = F.getModule().getTypeLowering(v.getType());
|
|
lowering.emitReleaseValue(*this, loc, v);
|
|
}
|
|
|
|
|
|
SILValue emitTupleExtract(SILLocation Loc, SILValue Operand,
|
|
unsigned FieldNo, SILType ResultTy) {
|
|
// Fold tuple_extract(tuple(x,y,z),2)
|
|
if (auto *TI = dyn_cast<TupleInst>(Operand))
|
|
return TI->getOperand(FieldNo);
|
|
|
|
return createTupleExtract(Loc, Operand, FieldNo, ResultTy);
|
|
}
|
|
|
|
SILValue emitTupleExtract(SILLocation Loc, SILValue Operand,
|
|
unsigned FieldNo) {
|
|
return emitTupleExtract(Loc, Operand, FieldNo,
|
|
Operand.getType().getTupleElementType(FieldNo));
|
|
}
|
|
|
|
SILValue emitStructExtract(SILLocation Loc, SILValue Operand,
|
|
VarDecl *Field, SILType ResultTy) {
|
|
if (auto *SI = dyn_cast<StructInst>(Operand))
|
|
return SI->getFieldValue(Field);
|
|
|
|
return createStructExtract(Loc, Operand, Field, ResultTy);
|
|
}
|
|
|
|
SILValue emitStructExtract(SILLocation Loc, SILValue Operand, VarDecl *Field){
|
|
auto type = Operand.getType().getFieldType(Field, F.getModule());
|
|
return emitStructExtract(Loc, Operand, Field, type);
|
|
}
|
|
|
|
SILValue emitThickToObjCMetatype(SILLocation Loc, SILValue Op, SILType Ty);
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SILValue emitObjCToThickMetatype(SILLocation Loc, SILValue Op, SILType Ty);
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|
|
|
//===--------------------------------------------------------------------===//
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|
// Private Helper Methods
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|
//===--------------------------------------------------------------------===//
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|
|
|
private:
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|
/// insert - This is a template to avoid losing type info on the result.
|
|
template <typename T>
|
|
T *insert(T *TheInst) {
|
|
insertImpl(TheInst);
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|
return TheInst;
|
|
}
|
|
|
|
/// insertTerminator - This is the same as insert, but clears the insertion
|
|
/// point after doing the insertion. This is used by terminators, since it
|
|
/// isn't valid to insert something after a terminator.
|
|
template <typename T>
|
|
T *insertTerminator(T *TheInst) {
|
|
insertImpl(TheInst);
|
|
clearInsertionPoint();
|
|
return TheInst;
|
|
}
|
|
|
|
void insertImpl(SILInstruction *TheInst) {
|
|
if (BB == 0) return;
|
|
|
|
// If the SILBuilder client wants to know about new instructions, record
|
|
// this.
|
|
if (InsertedInstrs)
|
|
InsertedInstrs->push_back(TheInst);
|
|
|
|
BB->getInstList().insert(InsertPt, TheInst);
|
|
}
|
|
};
|
|
|
|
} // end swift namespace
|
|
|
|
#endif
|