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An AsyncFunctionPointer, defined in Task.h, is a struct consisting of two i32s: (1) the relative address of the async function and (2) the size of the async context to be allocated when calling that function. Here, such structs are emitted for every async SILFunction that is emitted.
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
//===--- GenFunc.h - Swift IR generation for functions ----------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides the private interface to the function and
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// function-type emission code.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_IRGEN_GENFUNC_H
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#define SWIFT_IRGEN_GENFUNC_H
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#include "swift/AST/Types.h"
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namespace llvm {
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class Function;
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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 Explosion;
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class ForeignFunctionInfo;
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class IRGenFunction;
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/// Project the capture address from on-stack block storage.
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Address projectBlockStorageCapture(IRGenFunction &IGF,
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Address storageAddr,
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CanSILBlockStorageType storageTy);
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/// Emit the block header into a block storage slot.
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void emitBlockHeader(IRGenFunction &IGF,
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Address storage,
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CanSILBlockStorageType blockTy,
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llvm::Constant *invokeFunction,
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CanSILFunctionType invokeTy,
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ForeignFunctionInfo foreignInfo);
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/// Emit a partial application thunk for a function pointer applied to a
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/// partial set of argument values.
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Optional<StackAddress> emitFunctionPartialApplication(
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IRGenFunction &IGF, SILFunction &SILFn, const FunctionPointer &fnPtr,
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llvm::Value *fnContext, Explosion &args,
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ArrayRef<SILParameterInfo> argTypes, SubstitutionMap subs,
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CanSILFunctionType origType, CanSILFunctionType substType,
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CanSILFunctionType outType, Explosion &out, bool isOutlined);
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CanType getArgumentLoweringType(CanType type, SILParameterInfo paramInfo,
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bool isNoEscape);
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} // end namespace irgen
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} // end namespace swift
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#endif
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