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swift-mirror/lib/IRGen/GenFunc.h
2025-10-30 03:59:17 -07:00

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//===--- GenFunc.h - Swift IR generation for functions ----------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file provides the private interface to the function and
// function-type emission code.
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_IRGEN_GENFUNC_H
#define SWIFT_IRGEN_GENFUNC_H
#include "swift/AST/Types.h"
namespace llvm {
class Function;
class Value;
}
namespace swift {
namespace irgen {
class Address;
class Explosion;
class ForeignFunctionInfo;
class IRGenFunction;
/// Project the capture address from on-stack block storage.
Address projectBlockStorageCapture(IRGenFunction &IGF,
Address storageAddr,
CanSILBlockStorageType storageTy);
/// Load the stored isolation of an @isolated(any) function type, which
/// is assumed to be at a known offset within a closure object.
void emitExtractFunctionIsolation(IRGenFunction &IGF,
llvm::Value *fnContext,
Explosion &result);
/// Emit the block header into a block storage slot.
void emitBlockHeader(IRGenFunction &IGF,
Address storage,
CanSILBlockStorageType blockTy,
llvm::Constant *invokeFunction,
CanSILFunctionType invokeTy,
ForeignFunctionInfo foreignInfo);
/// Emit a partial application thunk for a function pointer applied to a
/// partial set of argument values.
std::optional<StackAddress> emitFunctionPartialApplication(
IRGenFunction &IGF, SILFunction &SILFn, const FunctionPointer &fnPtr,
llvm::Value *fnContext, Explosion &args,
ArrayRef<SILParameterInfo> argTypes, SubstitutionMap subs,
CanSILFunctionType origType, CanSILFunctionType substType,
CanSILFunctionType outType, Explosion &out, bool isOutlined);
CanType getArgumentLoweringType(CanType type, SILParameterInfo paramInfo,
bool isNoEscape);
/// Stub function that weakly links againt the swift_coroFrameAlloc
/// function. This is required for back-deployment.
llvm::Constant *getCoroFrameAllocStubFn(IRGenModule &IGM);
FunctionPointer getCoroFrameAllocStubFunctionPointer(IRGenModule &IGM);
} // end namespace irgen
} // end namespace swift
#endif