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b363bbdd78
This patch is primarily doing two things: - Teach IRGen for some of the instructions to generate debug info based on SILDebugVariable rather than AST node, which is not always available when reading from SIL. - Generate corresponding `llvm.dbg.*` intrinsics and `!DIExpression` from the newly added SIL DIExpression.
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
//===--- GenStruct.h - Swift IR generation for structs ----------*- 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 struct-emission code.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_IRGEN_GENSTRUCT_H
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#define SWIFT_IRGEN_GENSTRUCT_H
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#include "llvm/ADT/Optional.h"
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namespace llvm {
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class Constant;
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}
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namespace swift {
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class CanType;
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class SILType;
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class VarDecl;
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namespace irgen {
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class Address;
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class Explosion;
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class IRGenFunction;
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class IRGenModule;
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class MemberAccessStrategy;
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class TypeInfo;
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Address projectPhysicalStructMemberAddress(IRGenFunction &IGF,
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Address base,
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SILType baseType,
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VarDecl *field);
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void projectPhysicalStructMemberFromExplosion(IRGenFunction &IGF,
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SILType baseType,
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Explosion &base,
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VarDecl *field,
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Explosion &out);
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/// Return the constant offset of the given stored property in a struct,
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/// or return None if the field does not have fixed layout.
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llvm::Constant *emitPhysicalStructMemberFixedOffset(IRGenModule &IGM,
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SILType baseType,
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VarDecl *field);
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/// Return a strategy for accessing the given stored struct property.
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///
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/// This API is used by RemoteAST.
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MemberAccessStrategy
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getPhysicalStructMemberAccessStrategy(IRGenModule &IGM,
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SILType baseType, VarDecl *field);
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const TypeInfo *getPhysicalStructFieldTypeInfo(IRGenModule &IGM,
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SILType baseType,
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VarDecl *field);
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/// Returns the index of the element in the llvm struct type which represents
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/// \p field in \p baseType.
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///
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/// Returns None if \p field has an empty type and therefore has no
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/// corresponding element in the llvm type.
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llvm::Optional<unsigned> getPhysicalStructFieldIndex(IRGenModule &IGM,
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SILType baseType,
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VarDecl *field);
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} // end namespace irgen
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} // end namespace swift
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#endif
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