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1d3916e6ad
Use them to generate value witnesses when the type has dynamic packing. Regularize the interface for calling value witnesses. Not a huge difference yet, although we do re-use local type data a little more effectively now.
237 lines
10 KiB
C++
237 lines
10 KiB
C++
//===--- GenOpaque.h - Swift IR generation for opaque values ----*- 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 - 2016 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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//
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// This file provides a private interface for interacting with opaque
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// values and their value witnesses.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_IRGEN_GENOPAQUE_H
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#define SWIFT_IRGEN_GENOPAQUE_H
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namespace llvm {
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class Type;
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class Value;
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}
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namespace swift {
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namespace irgen {
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class Address;
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class IRGenFunction;
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class IRGenModule;
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enum class ValueWitness : unsigned;
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class WitnessIndex;
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/// Return the size of a fixed buffer.
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Size getFixedBufferSize(IRGenModule &IGM);
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/// Return the alignment of a fixed buffer.
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Alignment getFixedBufferAlignment(IRGenModule &IGM);
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/// Given a witness table (protocol or value), load one of the
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/// witnesses.
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///
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/// The load is marked invariant. This should not be used in contexts where
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/// the referenced witness table is still undergoing initialization.
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llvm::Value *emitInvariantLoadOfOpaqueWitness(IRGenFunction &IGF,
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llvm::Value *table,
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WitnessIndex index);
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/// Emit a call to do an 'initializeBufferWithCopyOfBuffer' operation.
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llvm::Value *emitInitializeBufferWithCopyOfBufferCall(IRGenFunction &IGF,
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llvm::Value *metadata,
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Address destBuffer,
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Address srcBuffer);
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/// Emit a call to do an 'initializeBufferWithCopyOfBuffer' operation.
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llvm::Value *emitInitializeBufferWithCopyOfBufferCall(IRGenFunction &IGF,
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SILType T,
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Address destBuffer,
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Address srcBuffer);
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/// Emit a call to do an 'initializeBufferWithTakeOfBuffer' operation.
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llvm::Value *emitInitializeBufferWithTakeOfBufferCall(IRGenFunction &IGF,
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llvm::Value *metadata,
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Address destBuffer,
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Address srcBuffer);
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/// Emit a call to do an 'initializeBufferWithTakeOfBuffer' operation.
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llvm::Value *emitInitializeBufferWithTakeOfBufferCall(IRGenFunction &IGF,
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SILType T,
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Address destBuffer,
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Address srcBuffer);
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/// Emit a call to do an 'allocateBuffer' operation.
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llvm::Value *emitAllocateBufferCall(IRGenFunction &IGF,
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SILType T,
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Address buffer);
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/// Emit a call to do a 'projectBuffer' operation.
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llvm::Value *emitProjectBufferCall(IRGenFunction &IGF,
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llvm::Value *metadata,
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Address buffer);
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/// Emit a call to do a 'projectBuffer' operation.
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llvm::Value *emitProjectBufferCall(IRGenFunction &IGF,
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SILType T,
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Address buffer);
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/// Emit a call to do an 'initializeWithCopy' operation.
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void emitInitializeWithCopyCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject);
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/// Emit a call to do an 'initializeBufferWithCopy' operation.
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llvm::Value *emitInitializeBufferWithCopyCall(IRGenFunction &IGF,
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SILType T,
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Address destBuffer,
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Address srcObject);
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/// Emit a call to do an 'initializeBufferWithTake' operation.
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llvm::Value *emitInitializeBufferWithTakeCall(IRGenFunction &IGF,
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SILType T,
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Address destBuffer,
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Address srcObject);
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/// Emit a call to do an 'initializeArrayWithCopy' operation.
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void emitInitializeArrayWithCopyCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject,
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llvm::Value *count);
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/// Emit a call to do an 'initializeWithTake' operation.
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void emitInitializeWithTakeCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject);
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/// Emit a call to do an 'initializeArrayWithTakeFrontToBack' operation.
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void emitInitializeArrayWithTakeFrontToBackCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject,
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llvm::Value *count);
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/// Emit a call to do an 'initializeArrayWithTakeBackToFront' operation.
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void emitInitializeArrayWithTakeBackToFrontCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject,
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llvm::Value *count);
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/// Emit a call to do an 'assignWithCopy' operation.
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void emitAssignWithCopyCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject);
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void emitAssignWithCopyCall(IRGenFunction &IGF,
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llvm::Value *metadata,
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Address destObject,
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Address srcObject);
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/// Emit a call to do an 'assignWithTake' operation.
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void emitAssignWithTakeCall(IRGenFunction &IGF,
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SILType T,
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Address destObject,
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Address srcObject);
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/// Emit a call to do a 'destroy' operation.
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void emitDestroyCall(IRGenFunction &IGF,
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SILType T,
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Address object);
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/// Emit a call to do a 'destroyArray' operation.
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void emitDestroyArrayCall(IRGenFunction &IGF,
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SILType T,
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Address object,
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llvm::Value *count);
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/// Emit a call to do a 'destroyBuffer' operation.
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void emitDestroyBufferCall(IRGenFunction &IGF,
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llvm::Value *metadata,
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Address buffer);
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void emitDestroyBufferCall(IRGenFunction &IGF,
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SILType T,
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Address buffer);
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/// Emit a call to do a 'deallocateBuffer' operation.
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void emitDeallocateBufferCall(IRGenFunction &IGF,
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llvm::Value *metadata,
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Address buffer);
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void emitDeallocateBufferCall(IRGenFunction &IGF,
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SILType T,
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Address buffer);
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/// Emit a call to the 'getExtraInhabitantIndex' operation.
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/// The type must be dynamically known to have extra inhabitant witnesses.
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llvm::Value *emitGetExtraInhabitantIndexCall(IRGenFunction &IGF,
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SILType T,
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Address srcObject);
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/// Emit a call to the 'storeExtraInhabitant' operation.
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/// The type must be dynamically known to have extra inhabitant witnesses.
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llvm::Value *emitStoreExtraInhabitantCall(IRGenFunction &IGF,
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SILType T,
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llvm::Value *index,
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Address destObject);
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/// Emit a call to the 'getEnumTag' operation.
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llvm::Value *emitGetEnumTagCall(IRGenFunction &IGF,
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SILType T,
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Address srcObject);
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/// Emit a call to the 'destructiveProjectEnumData' operation.
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/// The type must be dynamically known to have enum witnesses.
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void emitDestructiveProjectEnumDataCall(IRGenFunction &IGF,
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SILType T,
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Address srcObject);
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/// Emit a call to the 'destructiveInjectEnumTag' operation.
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/// The type must be dynamically known to have enum witnesses.
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void emitDestructiveInjectEnumTagCall(IRGenFunction &IGF,
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SILType T,
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unsigned tag,
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Address srcObject);
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/// Emit a load of the 'size' value witness.
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llvm::Value *emitLoadOfSize(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'stride' value witness.
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llvm::Value *emitLoadOfStride(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'alignmentMask' value witness.
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llvm::Value *emitLoadOfAlignmentMask(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'isPOD' value witness.
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llvm::Value *emitLoadOfIsPOD(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'isBitwiseTakable' value witness.
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llvm::Value *emitLoadOfIsBitwiseTakable(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'isInline' value witness.
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llvm::Value *emitLoadOfIsInline(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'hasExtraInhabitants' value witness.
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llvm::Value *emitLoadOfHasExtraInhabitants(IRGenFunction &IGF, SILType T);
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/// Emit a load of the 'extraInhabitantCount' value witness.
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/// The type must be dynamically known to have extra inhabitant witnesses.
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llvm::Value *emitLoadOfExtraInhabitantCount(IRGenFunction &IGF, SILType T);
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} // end namespace irgen
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} // end namespace swift
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#endif
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