Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1 | //===--- CGDebugInfo.cpp - Emit Debug Information for a Module ------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This coordinates the debug information generation while generating code. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "CGDebugInfo.h" |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 15 | #include "CodeGenFunction.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 16 | #include "CodeGenModule.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 17 | #include "clang/AST/ASTContext.h" |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 18 | #include "clang/AST/DeclFriend.h" |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 19 | #include "clang/AST/DeclObjC.h" |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 20 | #include "clang/AST/DeclTemplate.h" |
Chris Lattner | 3cc5c40 | 2008-11-11 07:01:36 +0000 | [diff] [blame] | 21 | #include "clang/AST/Expr.h" |
Anders Carlsson | 19cc4ab | 2009-07-18 19:43:29 +0000 | [diff] [blame] | 22 | #include "clang/AST/RecordLayout.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 23 | #include "clang/Basic/SourceManager.h" |
| 24 | #include "clang/Basic/FileManager.h" |
Mike Stump | 5a86217 | 2009-09-15 21:48:34 +0000 | [diff] [blame] | 25 | #include "clang/Basic/Version.h" |
Chandler Carruth | 06057ce | 2010-06-15 23:19:56 +0000 | [diff] [blame] | 26 | #include "clang/Frontend/CodeGenOptions.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 27 | #include "llvm/Constants.h" |
| 28 | #include "llvm/DerivedTypes.h" |
| 29 | #include "llvm/Instructions.h" |
| 30 | #include "llvm/Intrinsics.h" |
| 31 | #include "llvm/Module.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 32 | #include "llvm/ADT/StringExtras.h" |
| 33 | #include "llvm/ADT/SmallVector.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 34 | #include "llvm/Support/Dwarf.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 35 | #include "llvm/Support/Path.h" |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 36 | #include "llvm/Target/TargetMachine.h" |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 37 | using namespace clang; |
| 38 | using namespace clang::CodeGen; |
| 39 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 40 | CGDebugInfo::CGDebugInfo(CodeGenModule &CGM) |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 41 | : CGM(CGM), DBuilder(CGM.getModule()), |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 42 | BlockLiteralGenericSet(false) { |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 43 | CreateCompileUnit(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 44 | } |
| 45 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 46 | CGDebugInfo::~CGDebugInfo() { |
Daniel Dunbar | 66031a5 | 2008-10-17 16:15:48 +0000 | [diff] [blame] | 47 | assert(RegionStack.empty() && "Region stack mismatch, stack not empty!"); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 48 | } |
| 49 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 50 | void CGDebugInfo::setLocation(SourceLocation Loc) { |
| 51 | if (Loc.isValid()) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 52 | CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 53 | } |
| 54 | |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 55 | /// getContextDescriptor - Get context info for the decl. |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 56 | llvm::DIDescriptor CGDebugInfo::getContextDescriptor(const Decl *Context, |
Devang Patel | 3358305 | 2010-01-28 23:15:27 +0000 | [diff] [blame] | 57 | llvm::DIDescriptor &CompileUnit) { |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 58 | if (!Context) |
| 59 | return CompileUnit; |
| 60 | |
| 61 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator |
| 62 | I = RegionMap.find(Context); |
| 63 | if (I != RegionMap.end()) |
Gabor Greif | 38c9b17 | 2010-09-18 13:00:17 +0000 | [diff] [blame] | 64 | return llvm::DIDescriptor(dyn_cast_or_null<llvm::MDNode>(&*I->second)); |
Devang Patel | 411894b | 2010-02-01 22:40:08 +0000 | [diff] [blame] | 65 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 66 | // Check namespace. |
| 67 | if (const NamespaceDecl *NSDecl = dyn_cast<NamespaceDecl>(Context)) |
| 68 | return llvm::DIDescriptor(getOrCreateNameSpace(NSDecl, CompileUnit)); |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 69 | |
| 70 | if (const RecordDecl *RDecl = dyn_cast<RecordDecl>(Context)) { |
| 71 | if (!RDecl->isDependentType()) { |
Devang Patel | a2e5769 | 2010-10-28 17:27:32 +0000 | [diff] [blame] | 72 | llvm::DIType Ty = getOrCreateType(CGM.getContext().getTypeDeclType(RDecl), |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 73 | llvm::DIFile(CompileUnit)); |
| 74 | return llvm::DIDescriptor(Ty); |
| 75 | } |
| 76 | } |
Devang Patel | 979ec2e | 2009-10-06 00:35:31 +0000 | [diff] [blame] | 77 | return CompileUnit; |
| 78 | } |
| 79 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 80 | /// getFunctionName - Get function name for the given FunctionDecl. If the |
| 81 | /// name is constructred on demand (e.g. C++ destructor) then the name |
| 82 | /// is stored on the side. |
| 83 | llvm::StringRef CGDebugInfo::getFunctionName(const FunctionDecl *FD) { |
| 84 | assert (FD && "Invalid FunctionDecl!"); |
| 85 | IdentifierInfo *FII = FD->getIdentifier(); |
| 86 | if (FII) |
| 87 | return FII->getName(); |
| 88 | |
| 89 | // Otherwise construct human readable name for debug info. |
| 90 | std::string NS = FD->getNameAsString(); |
| 91 | |
| 92 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 93 | char *StrPtr = DebugInfoNames.Allocate<char>(NS.length()); |
Benjamin Kramer | 1b627dc | 2010-01-23 18:16:07 +0000 | [diff] [blame] | 94 | memcpy(StrPtr, NS.data(), NS.length()); |
| 95 | return llvm::StringRef(StrPtr, NS.length()); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 96 | } |
| 97 | |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 98 | llvm::StringRef CGDebugInfo::getObjCMethodName(const ObjCMethodDecl *OMD) { |
| 99 | llvm::SmallString<256> MethodName; |
| 100 | llvm::raw_svector_ostream OS(MethodName); |
| 101 | OS << (OMD->isInstanceMethod() ? '-' : '+') << '['; |
| 102 | const DeclContext *DC = OMD->getDeclContext(); |
Devang Patel | a2e5769 | 2010-10-28 17:27:32 +0000 | [diff] [blame] | 103 | if (const ObjCImplementationDecl *OID = |
| 104 | dyn_cast<const ObjCImplementationDecl>(DC)) { |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 105 | OS << OID->getName(); |
Devang Patel | a2e5769 | 2010-10-28 17:27:32 +0000 | [diff] [blame] | 106 | } else if (const ObjCInterfaceDecl *OID = |
| 107 | dyn_cast<const ObjCInterfaceDecl>(DC)) { |
Fariborz Jahanian | 1a4c937 | 2010-10-18 17:51:06 +0000 | [diff] [blame] | 108 | OS << OID->getName(); |
Devang Patel | a2e5769 | 2010-10-28 17:27:32 +0000 | [diff] [blame] | 109 | } else if (const ObjCCategoryImplDecl *OCD = |
| 110 | dyn_cast<const ObjCCategoryImplDecl>(DC)){ |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 111 | OS << ((NamedDecl *)OCD)->getIdentifier()->getNameStart() << '(' << |
| 112 | OCD->getIdentifier()->getNameStart() << ')'; |
| 113 | } |
| 114 | OS << ' ' << OMD->getSelector().getAsString() << ']'; |
| 115 | |
| 116 | char *StrPtr = DebugInfoNames.Allocate<char>(OS.tell()); |
| 117 | memcpy(StrPtr, MethodName.begin(), OS.tell()); |
| 118 | return llvm::StringRef(StrPtr, OS.tell()); |
| 119 | } |
| 120 | |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 121 | /// getClassName - Get class name including template argument list. |
| 122 | llvm::StringRef |
| 123 | CGDebugInfo::getClassName(RecordDecl *RD) { |
| 124 | ClassTemplateSpecializationDecl *Spec |
| 125 | = dyn_cast<ClassTemplateSpecializationDecl>(RD); |
| 126 | if (!Spec) |
| 127 | return RD->getName(); |
| 128 | |
| 129 | const TemplateArgument *Args; |
| 130 | unsigned NumArgs; |
| 131 | std::string Buffer; |
| 132 | if (TypeSourceInfo *TAW = Spec->getTypeAsWritten()) { |
| 133 | const TemplateSpecializationType *TST = |
| 134 | cast<TemplateSpecializationType>(TAW->getType()); |
| 135 | Args = TST->getArgs(); |
| 136 | NumArgs = TST->getNumArgs(); |
| 137 | } else { |
| 138 | const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); |
Douglas Gregor | 910f800 | 2010-11-07 23:05:16 +0000 | [diff] [blame] | 139 | Args = TemplateArgs.data(); |
| 140 | NumArgs = TemplateArgs.size(); |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 141 | } |
| 142 | Buffer = RD->getIdentifier()->getNameStart(); |
| 143 | PrintingPolicy Policy(CGM.getLangOptions()); |
| 144 | Buffer += TemplateSpecializationType::PrintTemplateArgumentList(Args, |
| 145 | NumArgs, |
| 146 | Policy); |
| 147 | |
| 148 | // Copy this name on the side and use its reference. |
| 149 | char *StrPtr = DebugInfoNames.Allocate<char>(Buffer.length()); |
| 150 | memcpy(StrPtr, Buffer.data(), Buffer.length()); |
| 151 | return llvm::StringRef(StrPtr, Buffer.length()); |
Devang Patel | 700a1cb | 2010-07-20 20:24:18 +0000 | [diff] [blame] | 152 | } |
| 153 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 154 | /// getOrCreateFile - Get the file debug info descriptor for the input location. |
| 155 | llvm::DIFile CGDebugInfo::getOrCreateFile(SourceLocation Loc) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 156 | if (!Loc.isValid()) |
| 157 | // If Location is not valid then use main input file. |
| 158 | return DBuilder.CreateFile(TheCU.getFilename(), TheCU.getDirectory()); |
| 159 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 160 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 161 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 162 | |
Douglas Gregor | 8c457a8 | 2010-11-11 20:45:16 +0000 | [diff] [blame] | 163 | if (PLoc.isInvalid()) |
| 164 | // If the location is not valid then use main input file. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 165 | return DBuilder.CreateFile(TheCU.getFilename(), TheCU.getDirectory()); |
Douglas Gregor | 8c457a8 | 2010-11-11 20:45:16 +0000 | [diff] [blame] | 166 | |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 167 | // Cache the results. |
| 168 | const char *fname = PLoc.getFilename(); |
| 169 | llvm::DenseMap<const char *, llvm::WeakVH>::iterator it = |
| 170 | DIFileCache.find(fname); |
| 171 | |
| 172 | if (it != DIFileCache.end()) { |
| 173 | // Verify that the information still exists. |
| 174 | if (&*it->second) |
| 175 | return llvm::DIFile(cast<llvm::MDNode>(it->second)); |
| 176 | } |
| 177 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 178 | llvm::DIFile F = DBuilder.CreateFile(PLoc.getFilename(), getCurrentDirname()); |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 179 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 180 | DIFileCache[fname] = F; |
Ted Kremenek | 9c25039 | 2010-03-30 00:27:51 +0000 | [diff] [blame] | 181 | return F; |
| 182 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 183 | } |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 184 | |
Devang Patel | 532105f | 2010-10-28 22:03:20 +0000 | [diff] [blame] | 185 | /// getOrCreateMainFile - Get the file info for main compile unit. |
| 186 | llvm::DIFile CGDebugInfo::getOrCreateMainFile() { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 187 | return DBuilder.CreateFile(TheCU.getFilename(), TheCU.getDirectory()); |
Devang Patel | 532105f | 2010-10-28 22:03:20 +0000 | [diff] [blame] | 188 | } |
| 189 | |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 190 | /// getLineNumber - Get line number for the location. If location is invalid |
| 191 | /// then use current location. |
| 192 | unsigned CGDebugInfo::getLineNumber(SourceLocation Loc) { |
| 193 | assert (CurLoc.isValid() && "Invalid current location!"); |
| 194 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 195 | PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc); |
Douglas Gregor | 8c457a8 | 2010-11-11 20:45:16 +0000 | [diff] [blame] | 196 | return PLoc.isValid()? PLoc.getLine() : 0; |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | /// getColumnNumber - Get column number for the location. If location is |
| 200 | /// invalid then use current location. |
| 201 | unsigned CGDebugInfo::getColumnNumber(SourceLocation Loc) { |
| 202 | assert (CurLoc.isValid() && "Invalid current location!"); |
| 203 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 204 | PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc); |
Douglas Gregor | 8c457a8 | 2010-11-11 20:45:16 +0000 | [diff] [blame] | 205 | return PLoc.isValid()? PLoc.getColumn() : 0; |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 206 | } |
| 207 | |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 208 | llvm::StringRef CGDebugInfo::getCurrentDirname() { |
| 209 | if (!CWDName.empty()) |
| 210 | return CWDName; |
| 211 | char *CompDirnamePtr = NULL; |
| 212 | llvm::sys::Path CWD = llvm::sys::Path::GetCurrentDirectory(); |
| 213 | CompDirnamePtr = DebugInfoNames.Allocate<char>(CWD.size()); |
| 214 | memcpy(CompDirnamePtr, CWD.c_str(), CWD.size()); |
| 215 | return CWDName = llvm::StringRef(CompDirnamePtr, CWD.size()); |
| 216 | } |
| 217 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 218 | /// CreateCompileUnit - Create new compile unit. |
| 219 | void CGDebugInfo::CreateCompileUnit() { |
| 220 | |
| 221 | // Get absolute path name. |
Douglas Gregor | ac91b4c | 2010-03-18 23:46:43 +0000 | [diff] [blame] | 222 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 223 | std::string MainFileName = CGM.getCodeGenOpts().MainFileName; |
| 224 | if (MainFileName.empty()) |
Devang Patel | 22fe585 | 2010-03-12 21:04:27 +0000 | [diff] [blame] | 225 | MainFileName = "<unknown>"; |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 226 | |
Douglas Gregor | f6728fc | 2010-03-22 21:28:29 +0000 | [diff] [blame] | 227 | // The main file name provided via the "-main-file-name" option contains just |
| 228 | // the file name itself with no path information. This file name may have had |
| 229 | // a relative path, so we look into the actual file entry for the main |
| 230 | // file to determine the real absolute path for the file. |
Devang Patel | 6e6bc39 | 2010-07-23 23:04:28 +0000 | [diff] [blame] | 231 | std::string MainFileDir; |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 232 | if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) { |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 233 | MainFileDir = MainFile->getDir()->getName(); |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 234 | if (MainFileDir != ".") |
| 235 | MainFileName = MainFileDir + "/" + MainFileName; |
| 236 | } |
Douglas Gregor | f7ad500 | 2010-03-19 14:49:09 +0000 | [diff] [blame] | 237 | |
Devang Patel | ac4d13c | 2010-07-27 15:17:16 +0000 | [diff] [blame] | 238 | // Save filename string. |
| 239 | char *FilenamePtr = DebugInfoNames.Allocate<char>(MainFileName.length()); |
| 240 | memcpy(FilenamePtr, MainFileName.c_str(), MainFileName.length()); |
| 241 | llvm::StringRef Filename(FilenamePtr, MainFileName.length()); |
| 242 | |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 243 | unsigned LangTag; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 244 | const LangOptions &LO = CGM.getLangOptions(); |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 245 | if (LO.CPlusPlus) { |
| 246 | if (LO.ObjC1) |
| 247 | LangTag = llvm::dwarf::DW_LANG_ObjC_plus_plus; |
| 248 | else |
| 249 | LangTag = llvm::dwarf::DW_LANG_C_plus_plus; |
| 250 | } else if (LO.ObjC1) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 251 | LangTag = llvm::dwarf::DW_LANG_ObjC; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 252 | } else if (LO.C99) { |
Devang Patel | 8d9aefc | 2009-03-24 20:35:51 +0000 | [diff] [blame] | 253 | LangTag = llvm::dwarf::DW_LANG_C99; |
Chris Lattner | 515455a | 2009-03-25 03:28:08 +0000 | [diff] [blame] | 254 | } else { |
| 255 | LangTag = llvm::dwarf::DW_LANG_C89; |
| 256 | } |
Devang Patel | 446c619 | 2009-04-17 21:06:59 +0000 | [diff] [blame] | 257 | |
Daniel Dunbar | 19f1983 | 2010-08-24 17:41:09 +0000 | [diff] [blame] | 258 | std::string Producer = getClangFullVersion(); |
Chris Lattner | 4c2577a | 2009-05-02 01:00:04 +0000 | [diff] [blame] | 259 | |
| 260 | // Figure out which version of the ObjC runtime we have. |
| 261 | unsigned RuntimeVers = 0; |
| 262 | if (LO.ObjC1) |
| 263 | RuntimeVers = LO.ObjCNonFragileABI ? 2 : 1; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 264 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 265 | // Create new compile unit. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 266 | DBuilder.CreateCompileUnit( |
Devang Patel | 5811500 | 2010-07-27 20:49:59 +0000 | [diff] [blame] | 267 | LangTag, Filename, getCurrentDirname(), |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 268 | Producer, |
Daniel Dunbar | f2d8b9f | 2009-12-18 02:43:17 +0000 | [diff] [blame] | 269 | LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 270 | // FIXME - Eliminate TheCU. |
| 271 | TheCU = llvm::DICompileUnit(DBuilder.getCU()); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 272 | } |
| 273 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 274 | /// CreateType - Get the Basic type from the cache or create a new |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 275 | /// one if necessary. |
Devang Patel | f1d1d9a | 2010-11-01 16:52:40 +0000 | [diff] [blame] | 276 | llvm::DIType CGDebugInfo::CreateType(const BuiltinType *BT) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 277 | unsigned Encoding = 0; |
Devang Patel | 05127ca | 2010-07-28 23:23:29 +0000 | [diff] [blame] | 278 | const char *BTName = NULL; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 279 | switch (BT->getKind()) { |
| 280 | default: |
| 281 | case BuiltinType::Void: |
| 282 | return llvm::DIType(); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 283 | case BuiltinType::ObjCClass: |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 284 | return DBuilder.CreateStructType(TheCU, "objc_class", |
| 285 | getOrCreateMainFile(), 0, 0, 0, |
| 286 | llvm::DIDescriptor::FlagFwdDecl, |
| 287 | llvm::DIArray()); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 288 | case BuiltinType::ObjCId: { |
| 289 | // typedef struct objc_class *Class; |
| 290 | // typedef struct objc_object { |
| 291 | // Class isa; |
| 292 | // } *id; |
| 293 | |
| 294 | llvm::DIType OCTy = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 295 | DBuilder.CreateStructType(TheCU, "objc_class", |
| 296 | getOrCreateMainFile(), 0, 0, 0, |
| 297 | llvm::DIDescriptor::FlagFwdDecl, |
| 298 | llvm::DIArray()); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 299 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 300 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 301 | llvm::DIType ISATy = DBuilder.CreatePointerType(OCTy, Size); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 302 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 303 | llvm::SmallVector<llvm::Value *, 16> EltTys; |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 304 | llvm::DIType FieldTy = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 305 | DBuilder.CreateMemberType("isa", getOrCreateMainFile(), |
| 306 | 0,Size, 0, 0, 0, ISATy); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 307 | EltTys.push_back(FieldTy); |
| 308 | llvm::DIArray Elements = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 309 | DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 310 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 311 | return DBuilder.CreateStructType(TheCU, "objc_object", |
| 312 | getOrCreateMainFile(), |
| 313 | 0, 0, 0, 0, Elements); |
Devang Patel | c8972c6 | 2010-07-28 01:33:15 +0000 | [diff] [blame] | 314 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 315 | case BuiltinType::UChar: |
| 316 | case BuiltinType::Char_U: Encoding = llvm::dwarf::DW_ATE_unsigned_char; break; |
| 317 | case BuiltinType::Char_S: |
| 318 | case BuiltinType::SChar: Encoding = llvm::dwarf::DW_ATE_signed_char; break; |
| 319 | case BuiltinType::UShort: |
| 320 | case BuiltinType::UInt: |
| 321 | case BuiltinType::ULong: |
| 322 | case BuiltinType::ULongLong: Encoding = llvm::dwarf::DW_ATE_unsigned; break; |
| 323 | case BuiltinType::Short: |
| 324 | case BuiltinType::Int: |
| 325 | case BuiltinType::Long: |
| 326 | case BuiltinType::LongLong: Encoding = llvm::dwarf::DW_ATE_signed; break; |
| 327 | case BuiltinType::Bool: Encoding = llvm::dwarf::DW_ATE_boolean; break; |
| 328 | case BuiltinType::Float: |
Devang Patel | 7c173cb | 2009-10-12 22:28:31 +0000 | [diff] [blame] | 329 | case BuiltinType::LongDouble: |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 330 | case BuiltinType::Double: Encoding = llvm::dwarf::DW_ATE_float; break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 331 | } |
Devang Patel | 05127ca | 2010-07-28 23:23:29 +0000 | [diff] [blame] | 332 | |
| 333 | switch (BT->getKind()) { |
| 334 | case BuiltinType::Long: BTName = "long int"; break; |
| 335 | case BuiltinType::LongLong: BTName = "long long int"; break; |
| 336 | case BuiltinType::ULong: BTName = "long unsigned int"; break; |
| 337 | case BuiltinType::ULongLong: BTName = "long long unsigned int"; break; |
| 338 | default: |
| 339 | BTName = BT->getName(CGM.getContext().getLangOptions()); |
| 340 | break; |
| 341 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 342 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 343 | uint64_t Size = CGM.getContext().getTypeSize(BT); |
| 344 | uint64_t Align = CGM.getContext().getTypeAlign(BT); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 345 | llvm::DIType DbgTy = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 346 | DBuilder.CreateBasicType(BTName, Size, Align, Encoding); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 347 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 348 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 349 | |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 350 | llvm::DIType CGDebugInfo::CreateType(const ComplexType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 351 | llvm::DIFile Unit) { |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 352 | // Bit size, align and offset of the type. |
| 353 | unsigned Encoding = llvm::dwarf::DW_ATE_complex_float; |
| 354 | if (Ty->isComplexIntegerType()) |
| 355 | Encoding = llvm::dwarf::DW_ATE_lo_user; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 356 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 357 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 358 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 359 | llvm::DIType DbgTy = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 360 | DBuilder.CreateBasicType("complex", Size, Align, Encoding); |
| 361 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 362 | return DbgTy; |
Chris Lattner | b700377 | 2009-04-23 06:13:01 +0000 | [diff] [blame] | 363 | } |
| 364 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 365 | /// CreateCVRType - Get the qualified type from the cache or create |
Sanjiv Gupta | f58c27a | 2008-06-07 04:46:53 +0000 | [diff] [blame] | 366 | /// a new one if necessary. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 367 | llvm::DIType CGDebugInfo::CreateQualifiedType(QualType Ty, llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 368 | QualifierCollector Qc; |
| 369 | const Type *T = Qc.strip(Ty); |
| 370 | |
| 371 | // Ignore these qualifiers for now. |
| 372 | Qc.removeObjCGCAttr(); |
| 373 | Qc.removeAddressSpace(); |
| 374 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 375 | // We will create one Derived type for one qualifier and recurse to handle any |
| 376 | // additional ones. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 377 | unsigned Tag; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 378 | if (Qc.hasConst()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 379 | Tag = llvm::dwarf::DW_TAG_const_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 380 | Qc.removeConst(); |
| 381 | } else if (Qc.hasVolatile()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 382 | Tag = llvm::dwarf::DW_TAG_volatile_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 383 | Qc.removeVolatile(); |
| 384 | } else if (Qc.hasRestrict()) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 385 | Tag = llvm::dwarf::DW_TAG_restrict_type; |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 386 | Qc.removeRestrict(); |
| 387 | } else { |
| 388 | assert(Qc.empty() && "Unknown type qualifier for debug info"); |
| 389 | return getOrCreateType(QualType(T, 0), Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 390 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 391 | |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 392 | llvm::DIType FromTy = getOrCreateType(Qc.apply(T), Unit); |
| 393 | |
Daniel Dunbar | 3845f86 | 2008-10-31 03:54:29 +0000 | [diff] [blame] | 394 | // No need to fill in the Name, Line, Size, Alignment, Offset in case of |
| 395 | // CVR derived types. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 396 | llvm::DIType DbgTy = DBuilder.CreateQualifiedType(Tag, FromTy); |
| 397 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 398 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 399 | } |
| 400 | |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 401 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 402 | llvm::DIFile Unit) { |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 403 | llvm::DIType DbgTy = |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 404 | CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 405 | Ty->getPointeeType(), Unit); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 406 | return DbgTy; |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 407 | } |
| 408 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 409 | llvm::DIType CGDebugInfo::CreateType(const PointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 410 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 411 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_pointer_type, Ty, |
| 412 | Ty->getPointeeType(), Unit); |
| 413 | } |
| 414 | |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 415 | /// CreatePointeeType - Create PointTee type. If Pointee is a record |
| 416 | /// then emit record's fwd if debug info size reduction is enabled. |
| 417 | llvm::DIType CGDebugInfo::CreatePointeeType(QualType PointeeTy, |
| 418 | llvm::DIFile Unit) { |
| 419 | if (!CGM.getCodeGenOpts().LimitDebugInfo) |
| 420 | return getOrCreateType(PointeeTy, Unit); |
| 421 | |
| 422 | if (const RecordType *RTy = dyn_cast<RecordType>(PointeeTy)) { |
| 423 | RecordDecl *RD = RTy->getDecl(); |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 424 | llvm::DIFile DefUnit = getOrCreateFile(RD->getLocation()); |
| 425 | unsigned Line = getLineNumber(RD->getLocation()); |
| 426 | llvm::DIDescriptor FDContext = |
| 427 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 428 | |
| 429 | if (RD->isStruct()) |
| 430 | return DBuilder.CreateStructType(FDContext, RD->getName(), DefUnit, |
| 431 | Line, 0, 0, llvm::DIType::FlagFwdDecl, |
| 432 | llvm::DIArray()); |
| 433 | else if (RD->isUnion()) |
| 434 | return DBuilder.CreateUnionType(FDContext, RD->getName(), DefUnit, |
| 435 | Line, 0, 0, llvm::DIType::FlagFwdDecl, |
| 436 | llvm::DIArray()); |
| 437 | else { |
| 438 | assert(RD->isClass() && "Unknown RecordType!"); |
| 439 | return DBuilder.CreateClassType(FDContext, RD->getName(), DefUnit, |
| 440 | Line, 0, 0, 0, llvm::DIType::FlagFwdDecl, |
| 441 | llvm::DIType(), llvm::DIArray()); |
| 442 | } |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 443 | } |
| 444 | return getOrCreateType(PointeeTy, Unit); |
| 445 | |
| 446 | } |
| 447 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 448 | llvm::DIType CGDebugInfo::CreatePointerLikeType(unsigned Tag, |
| 449 | const Type *Ty, |
| 450 | QualType PointeeTy, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 451 | llvm::DIFile Unit) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 452 | |
| 453 | if (Tag == llvm::dwarf::DW_TAG_reference_type) |
| 454 | return DBuilder.CreateReferenceType(CreatePointeeType(PointeeTy, Unit)); |
| 455 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 456 | // Bit size, align and offset of the type. |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 457 | // Size is always the size of a pointer. We can't use getTypeSize here |
| 458 | // because that does not return the correct value for references. |
| 459 | uint64_t Size = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 460 | CGM.getContext().Target.getPointerWidth(PointeeTy.getAddressSpace()); |
| 461 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 462 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 463 | return |
| 464 | DBuilder.CreatePointerType(CreatePointeeType(PointeeTy, Unit), Size, Align); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 465 | } |
| 466 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 467 | llvm::DIType CGDebugInfo::CreateType(const BlockPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 468 | llvm::DIFile Unit) { |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 469 | if (BlockLiteralGenericSet) |
| 470 | return BlockLiteralGeneric; |
| 471 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 472 | llvm::SmallVector<llvm::Value *, 8> EltTys; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 473 | llvm::DIType FieldTy; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 474 | QualType FType; |
| 475 | uint64_t FieldSize, FieldOffset; |
| 476 | unsigned FieldAlign; |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 477 | llvm::DIArray Elements; |
| 478 | llvm::DIType EltTy, DescTy; |
| 479 | |
| 480 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 481 | FType = CGM.getContext().UnsignedLongTy; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 482 | EltTys.push_back(CreateMemberType(Unit, FType, "reserved", &FieldOffset)); |
| 483 | EltTys.push_back(CreateMemberType(Unit, FType, "Size", &FieldOffset)); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 484 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 485 | Elements = DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 486 | EltTys.clear(); |
| 487 | |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 488 | unsigned Flags = llvm::DIDescriptor::FlagAppleBlock; |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 489 | unsigned LineNo = getLineNumber(CurLoc); |
Mike Stump | 3d363c5 | 2009-10-02 02:30:50 +0000 | [diff] [blame] | 490 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 491 | EltTy = DBuilder.CreateStructType(Unit, "__block_descriptor", |
| 492 | Unit, LineNo, FieldOffset, 0, |
| 493 | Flags, Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 494 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 495 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 496 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 497 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 498 | DescTy = DBuilder.CreatePointerType(EltTy, Size); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 499 | |
| 500 | FieldOffset = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 501 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 502 | EltTys.push_back(CreateMemberType(Unit, FType, "__isa", &FieldOffset)); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 503 | FType = CGM.getContext().IntTy; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 504 | EltTys.push_back(CreateMemberType(Unit, FType, "__flags", &FieldOffset)); |
| 505 | EltTys.push_back(CreateMemberType(Unit, FType, "__reserved", &FieldOffset)); |
Benjamin Kramer | d3651cc | 2010-04-24 20:26:20 +0000 | [diff] [blame] | 506 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 507 | EltTys.push_back(CreateMemberType(Unit, FType, "__FuncPtr", &FieldOffset)); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 508 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 509 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 510 | FieldTy = DescTy; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 511 | FieldSize = CGM.getContext().getTypeSize(Ty); |
| 512 | FieldAlign = CGM.getContext().getTypeAlign(Ty); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 513 | FieldTy = DBuilder.CreateMemberType("__descriptor", Unit, |
| 514 | LineNo, FieldSize, FieldAlign, |
| 515 | FieldOffset, 0, FieldTy); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 516 | EltTys.push_back(FieldTy); |
| 517 | |
| 518 | FieldOffset += FieldSize; |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 519 | Elements = DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 520 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 521 | EltTy = DBuilder.CreateStructType(Unit, "__block_literal_generic", |
| 522 | Unit, LineNo, FieldOffset, 0, |
| 523 | Flags, Elements); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 524 | |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 525 | BlockLiteralGenericSet = true; |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 526 | BlockLiteralGeneric = DBuilder.CreatePointerType(EltTy, Size); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 527 | return BlockLiteralGeneric; |
| 528 | } |
| 529 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 530 | llvm::DIType CGDebugInfo::CreateType(const TypedefType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 531 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 532 | // Typedefs are derived from some other type. If we have a typedef of a |
| 533 | // typedef, make sure to emit the whole chain. |
| 534 | llvm::DIType Src = getOrCreateType(Ty->getDecl()->getUnderlyingType(), Unit); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 535 | if (!Src.Verify()) |
| 536 | return llvm::DIType(); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 537 | // We don't set size information, but do specify where the typedef was |
| 538 | // declared. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 539 | unsigned Line = getLineNumber(Ty->getDecl()->getLocation()); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 540 | llvm::DIType DbgTy = DBuilder.CreateTypedef(Src, Ty->getDecl()->getName(), |
| 541 | Unit, Line); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 542 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 543 | } |
| 544 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 545 | llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 546 | llvm::DIFile Unit) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 547 | llvm::SmallVector<llvm::Value *, 16> EltTys; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 548 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 549 | // Add the result type at least. |
| 550 | EltTys.push_back(getOrCreateType(Ty->getResultType(), Unit)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 551 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 552 | // Set up remainder of arguments if there is a prototype. |
| 553 | // FIXME: IF NOT, HOW IS THIS REPRESENTED? llvm-gcc doesn't represent '...'! |
Devang Patel | af164bb | 2010-10-06 20:51:45 +0000 | [diff] [blame] | 554 | if (isa<FunctionNoProtoType>(Ty)) |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 555 | EltTys.push_back(DBuilder.CreateUnspecifiedParameter()); |
Devang Patel | af164bb | 2010-10-06 20:51:45 +0000 | [diff] [blame] | 556 | else if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(Ty)) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 557 | for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i) |
| 558 | EltTys.push_back(getOrCreateType(FTP->getArgType(i), Unit)); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 559 | } |
| 560 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 561 | llvm::DIArray EltTypeArray = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 562 | DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 563 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 564 | llvm::DIType DbgTy = DBuilder.CreateSubroutineType(Unit, EltTypeArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 565 | return DbgTy; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 566 | } |
| 567 | |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 568 | /// CollectRecordFields - A helper function to collect debug info for |
| 569 | /// record fields. This is used while creating debug info entry for a Record. |
| 570 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 571 | CollectRecordFields(const RecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 572 | llvm::SmallVectorImpl<llvm::Value *> &EltTys) { |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 573 | unsigned FieldNo = 0; |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 574 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 575 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 576 | E = RD->field_end(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 577 | I != E; ++I, ++FieldNo) { |
| 578 | FieldDecl *Field = *I; |
| 579 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 580 | llvm::StringRef FieldName = Field->getName(); |
| 581 | |
Devang Patel | 4835fdd | 2010-02-12 01:31:06 +0000 | [diff] [blame] | 582 | // Ignore unnamed fields. Do not ignore unnamed records. |
| 583 | if (FieldName.empty() && !isa<RecordType>(Field->getType())) |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 584 | continue; |
| 585 | |
| 586 | // Get the location for the field. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 587 | llvm::DIFile FieldDefUnit = getOrCreateFile(Field->getLocation()); |
| 588 | unsigned FieldLine = getLineNumber(Field->getLocation()); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 589 | QualType FType = Field->getType(); |
| 590 | uint64_t FieldSize = 0; |
| 591 | unsigned FieldAlign = 0; |
| 592 | if (!FType->isIncompleteArrayType()) { |
| 593 | |
| 594 | // Bit size, align and offset of the type. |
| 595 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 596 | Expr *BitWidth = Field->getBitWidth(); |
| 597 | if (BitWidth) |
| 598 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 599 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
| 600 | } |
| 601 | |
| 602 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 603 | |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 604 | unsigned Flags = 0; |
| 605 | AccessSpecifier Access = I->getAccess(); |
| 606 | if (Access == clang::AS_private) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 607 | Flags |= llvm::DIDescriptor::FlagPrivate; |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 608 | else if (Access == clang::AS_protected) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 609 | Flags |= llvm::DIDescriptor::FlagProtected; |
Devang Patel | 71f4ff6 | 2010-04-21 23:12:37 +0000 | [diff] [blame] | 610 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 611 | FieldTy = DBuilder.CreateMemberType(FieldName, FieldDefUnit, |
| 612 | FieldLine, FieldSize, FieldAlign, |
| 613 | FieldOffset, Flags, FieldTy); |
Devang Patel | 428deb5 | 2010-01-19 00:00:59 +0000 | [diff] [blame] | 614 | EltTys.push_back(FieldTy); |
| 615 | } |
| 616 | } |
| 617 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 618 | /// getOrCreateMethodType - CXXMethodDecl's type is a FunctionType. This |
| 619 | /// function type is not updated to include implicit "this" pointer. Use this |
| 620 | /// routine to get a method type which includes "this" pointer. |
| 621 | llvm::DIType |
| 622 | CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 623 | llvm::DIFile Unit) { |
Douglas Gregor | 5f970ee | 2010-05-04 18:18:31 +0000 | [diff] [blame] | 624 | llvm::DIType FnTy |
| 625 | = getOrCreateType(QualType(Method->getType()->getAs<FunctionProtoType>(), |
| 626 | 0), |
| 627 | Unit); |
Devang Patel | d774d1e | 2010-01-28 21:43:50 +0000 | [diff] [blame] | 628 | |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 629 | // Add "this" pointer. |
| 630 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 631 | llvm::DIArray Args = llvm::DICompositeType(FnTy).getTypeArray(); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 632 | assert (Args.getNumElements() && "Invalid number of arguments!"); |
| 633 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 634 | llvm::SmallVector<llvm::Value *, 16> Elts; |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 635 | |
| 636 | // First element is always return type. For 'void' functions it is NULL. |
| 637 | Elts.push_back(Args.getElement(0)); |
| 638 | |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 639 | if (!Method->isStatic()) |
| 640 | { |
| 641 | // "this" pointer is always first argument. |
| 642 | ASTContext &Context = CGM.getContext(); |
| 643 | QualType ThisPtr = |
| 644 | Context.getPointerType(Context.getTagDeclType(Method->getParent())); |
| 645 | llvm::DIType ThisPtrType = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 646 | DBuilder.CreateArtificialType(getOrCreateType(ThisPtr, Unit)); |
Devang Patel | 769640e | 2010-07-13 00:24:30 +0000 | [diff] [blame] | 647 | |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 648 | TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType; |
| 649 | Elts.push_back(ThisPtrType); |
| 650 | } |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 651 | |
| 652 | // Copy rest of the arguments. |
| 653 | for (unsigned i = 1, e = Args.getNumElements(); i != e; ++i) |
| 654 | Elts.push_back(Args.getElement(i)); |
| 655 | |
| 656 | llvm::DIArray EltTypeArray = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 657 | DBuilder.GetOrCreateArray(Elts.data(), Elts.size()); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 658 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 659 | return DBuilder.CreateSubroutineType(Unit, EltTypeArray); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 660 | } |
| 661 | |
Devang Patel | 58faf20 | 2010-10-22 17:11:50 +0000 | [diff] [blame] | 662 | /// isFunctionLocalClass - Return true if CXXRecordDecl is defined |
| 663 | /// inside a function. |
| 664 | static bool isFunctionLocalClass(const CXXRecordDecl *RD) { |
| 665 | if (const CXXRecordDecl *NRD = |
| 666 | dyn_cast<CXXRecordDecl>(RD->getDeclContext())) |
| 667 | return isFunctionLocalClass(NRD); |
| 668 | else if (isa<FunctionDecl>(RD->getDeclContext())) |
| 669 | return true; |
| 670 | return false; |
| 671 | |
| 672 | } |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 673 | /// CreateCXXMemberFunction - A helper function to create a DISubprogram for |
| 674 | /// a single member function GlobalDecl. |
| 675 | llvm::DISubprogram |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 676 | CGDebugInfo::CreateCXXMemberFunction(const CXXMethodDecl *Method, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 677 | llvm::DIFile Unit, |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 678 | llvm::DIType RecordTy) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 679 | bool IsCtorOrDtor = |
| 680 | isa<CXXConstructorDecl>(Method) || isa<CXXDestructorDecl>(Method); |
| 681 | |
| 682 | llvm::StringRef MethodName = getFunctionName(Method); |
Devang Patel | a6da192 | 2010-01-28 00:28:01 +0000 | [diff] [blame] | 683 | llvm::DIType MethodTy = getOrCreateMethodType(Method, Unit); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 684 | |
| 685 | // Since a single ctor/dtor corresponds to multiple functions, it doesn't |
| 686 | // make sense to give a single ctor/dtor a linkage name. |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 687 | llvm::StringRef MethodLinkageName; |
Devang Patel | 58faf20 | 2010-10-22 17:11:50 +0000 | [diff] [blame] | 688 | if (!IsCtorOrDtor && !isFunctionLocalClass(Method->getParent())) |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 689 | MethodLinkageName = CGM.getMangledName(Method); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 690 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 691 | // Get the location for the method. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 692 | llvm::DIFile MethodDefUnit = getOrCreateFile(Method->getLocation()); |
| 693 | unsigned MethodLine = getLineNumber(Method->getLocation()); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 694 | |
| 695 | // Collect virtual method info. |
| 696 | llvm::DIType ContainingType; |
| 697 | unsigned Virtuality = 0; |
| 698 | unsigned VIndex = 0; |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 699 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 700 | if (Method->isVirtual()) { |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 701 | if (Method->isPure()) |
| 702 | Virtuality = llvm::dwarf::DW_VIRTUALITY_pure_virtual; |
| 703 | else |
| 704 | Virtuality = llvm::dwarf::DW_VIRTUALITY_virtual; |
| 705 | |
| 706 | // It doesn't make sense to give a virtual destructor a vtable index, |
| 707 | // since a single destructor has two entries in the vtable. |
| 708 | if (!isa<CXXDestructorDecl>(Method)) |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 709 | VIndex = CGM.getVTables().getMethodVTableIndex(Method); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 710 | ContainingType = RecordTy; |
| 711 | } |
| 712 | |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 713 | unsigned Flags = 0; |
| 714 | if (Method->isImplicit()) |
| 715 | Flags |= llvm::DIDescriptor::FlagArtificial; |
Devang Patel | 10a7a6a | 2010-09-29 21:46:16 +0000 | [diff] [blame] | 716 | AccessSpecifier Access = Method->getAccess(); |
| 717 | if (Access == clang::AS_private) |
| 718 | Flags |= llvm::DIDescriptor::FlagPrivate; |
| 719 | else if (Access == clang::AS_protected) |
| 720 | Flags |= llvm::DIDescriptor::FlagProtected; |
Devang Patel | d78a019 | 2010-10-01 23:32:17 +0000 | [diff] [blame] | 721 | if (const CXXConstructorDecl *CXXC = dyn_cast<CXXConstructorDecl>(Method)) { |
| 722 | if (CXXC->isExplicit()) |
| 723 | Flags |= llvm::DIDescriptor::FlagExplicit; |
| 724 | } else if (const CXXConversionDecl *CXXC = |
| 725 | dyn_cast<CXXConversionDecl>(Method)) { |
| 726 | if (CXXC->isExplicit()) |
| 727 | Flags |= llvm::DIDescriptor::FlagExplicit; |
| 728 | } |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 729 | if (Method->hasPrototype()) |
| 730 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | d78a019 | 2010-10-01 23:32:17 +0000 | [diff] [blame] | 731 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 732 | llvm::DISubprogram SP = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 733 | DBuilder.CreateMethod(RecordTy , MethodName, MethodLinkageName, |
| 734 | MethodDefUnit, MethodLine, |
| 735 | MethodTy, /*isLocalToUnit=*/false, |
| 736 | /* isDefinition=*/ false, |
| 737 | Virtuality, VIndex, ContainingType, |
| 738 | Flags, CGM.getLangOptions().Optimize); |
Anders Carlsson | 4433f1c | 2010-01-26 05:19:50 +0000 | [diff] [blame] | 739 | |
| 740 | // Don't cache ctors or dtors since we have to emit multiple functions for |
| 741 | // a single ctor or dtor. |
| 742 | if (!IsCtorOrDtor && Method->isThisDeclarationADefinition()) |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 743 | SPCache[Method] = llvm::WeakVH(SP); |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 744 | |
| 745 | return SP; |
| 746 | } |
| 747 | |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 748 | /// CollectCXXMemberFunctions - A helper function to collect debug info for |
| 749 | /// C++ member functions.This is used while creating debug info entry for |
| 750 | /// a Record. |
| 751 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 752 | CollectCXXMemberFunctions(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 753 | llvm::SmallVectorImpl<llvm::Value *> &EltTys, |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 754 | llvm::DIType RecordTy) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 755 | for(CXXRecordDecl::method_iterator I = RD->method_begin(), |
| 756 | E = RD->method_end(); I != E; ++I) { |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 757 | const CXXMethodDecl *Method = *I; |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 758 | |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 759 | if (Method->isImplicit() && !Method->isUsed()) |
Anders Carlsson | bea9b23 | 2010-01-26 04:40:11 +0000 | [diff] [blame] | 760 | continue; |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 761 | |
Anders Carlsson | d6f9a0d | 2010-01-26 04:49:33 +0000 | [diff] [blame] | 762 | EltTys.push_back(CreateCXXMemberFunction(Method, Unit, RecordTy)); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 763 | } |
| 764 | } |
| 765 | |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 766 | /// CollectCXXFriends - A helper function to collect debug info for |
| 767 | /// C++ base classes. This is used while creating debug info entry for |
| 768 | /// a Record. |
| 769 | void CGDebugInfo:: |
| 770 | CollectCXXFriends(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 771 | llvm::SmallVectorImpl<llvm::Value *> &EltTys, |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 772 | llvm::DIType RecordTy) { |
| 773 | |
| 774 | for (CXXRecordDecl::friend_iterator BI = RD->friend_begin(), |
| 775 | BE = RD->friend_end(); BI != BE; ++BI) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 776 | if (TypeSourceInfo *TInfo = (*BI)->getFriendType()) |
| 777 | EltTys.push_back(DBuilder.CreateFriend(RecordTy, |
| 778 | getOrCreateType(TInfo->getType(), |
| 779 | Unit))); |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 780 | } |
| 781 | } |
| 782 | |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 783 | /// CollectCXXBases - A helper function to collect debug info for |
| 784 | /// C++ base classes. This is used while creating debug info entry for |
| 785 | /// a Record. |
| 786 | void CGDebugInfo:: |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 787 | CollectCXXBases(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 788 | llvm::SmallVectorImpl<llvm::Value *> &EltTys, |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 789 | llvm::DIType RecordTy) { |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 790 | |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 791 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
| 792 | for (CXXRecordDecl::base_class_const_iterator BI = RD->bases_begin(), |
| 793 | BE = RD->bases_end(); BI != BE; ++BI) { |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 794 | unsigned BFlags = 0; |
| 795 | uint64_t BaseOffset; |
| 796 | |
| 797 | const CXXRecordDecl *Base = |
| 798 | cast<CXXRecordDecl>(BI->getType()->getAs<RecordType>()->getDecl()); |
| 799 | |
| 800 | if (BI->isVirtual()) { |
Anders Carlsson | bba1607 | 2010-03-11 07:15:17 +0000 | [diff] [blame] | 801 | // virtual base offset offset is -ve. The code generator emits dwarf |
Devang Patel | d5322da | 2010-02-09 19:09:28 +0000 | [diff] [blame] | 802 | // expression where it expects +ve number. |
Anders Carlsson | af44035 | 2010-03-23 04:11:45 +0000 | [diff] [blame] | 803 | BaseOffset = 0 - CGM.getVTables().getVirtualBaseOffsetOffset(RD, Base); |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 804 | BFlags = llvm::DIDescriptor::FlagVirtual; |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 805 | } else |
Anders Carlsson | a14f597 | 2010-10-31 23:22:37 +0000 | [diff] [blame] | 806 | BaseOffset = RL.getBaseClassOffsetInBits(Base); |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 807 | |
| 808 | AccessSpecifier Access = BI->getAccessSpecifier(); |
| 809 | if (Access == clang::AS_private) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 810 | BFlags |= llvm::DIDescriptor::FlagPrivate; |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 811 | else if (Access == clang::AS_protected) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 812 | BFlags |= llvm::DIDescriptor::FlagProtected; |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 813 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 814 | llvm::DIType DTy = |
| 815 | DBuilder.CreateInheritance(RecordTy, |
| 816 | getOrCreateType(BI->getType(), Unit), |
| 817 | BaseOffset, BFlags); |
Devang Patel | ca7daed | 2010-01-28 21:54:15 +0000 | [diff] [blame] | 818 | EltTys.push_back(DTy); |
| 819 | } |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 820 | } |
| 821 | |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 822 | /// getOrCreateVTablePtrType - Return debug info descriptor for vtable. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 823 | llvm::DIType CGDebugInfo::getOrCreateVTablePtrType(llvm::DIFile Unit) { |
Devang Patel | 0804e6e | 2010-03-08 20:53:17 +0000 | [diff] [blame] | 824 | if (VTablePtrType.isValid()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 825 | return VTablePtrType; |
| 826 | |
| 827 | ASTContext &Context = CGM.getContext(); |
| 828 | |
| 829 | /* Function type */ |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 830 | llvm::Value *STy = getOrCreateType(Context.IntTy, Unit); |
| 831 | llvm::DIArray SElements = DBuilder.GetOrCreateArray(&STy, 1); |
| 832 | llvm::DIType SubTy = DBuilder.CreateSubroutineType(Unit, SElements); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 833 | unsigned Size = Context.getTypeSize(Context.VoidPtrTy); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 834 | llvm::DIType vtbl_ptr_type = DBuilder.CreatePointerType(SubTy, Size, 0, |
| 835 | "__vtbl_ptr_type"); |
| 836 | VTablePtrType = DBuilder.CreatePointerType(vtbl_ptr_type, Size); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 837 | return VTablePtrType; |
| 838 | } |
| 839 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 840 | /// getVTableName - Get vtable name for the given Class. |
| 841 | llvm::StringRef CGDebugInfo::getVTableName(const CXXRecordDecl *RD) { |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 842 | // Otherwise construct gdb compatible name name. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 843 | std::string Name = "_vptr$" + RD->getNameAsString(); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 844 | |
| 845 | // Copy this name on the side and use its reference. |
Devang Patel | 89f05f8 | 2010-01-28 18:21:00 +0000 | [diff] [blame] | 846 | char *StrPtr = DebugInfoNames.Allocate<char>(Name.length()); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 847 | memcpy(StrPtr, Name.data(), Name.length()); |
| 848 | return llvm::StringRef(StrPtr, Name.length()); |
| 849 | } |
| 850 | |
| 851 | |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 852 | /// CollectVTableInfo - If the C++ class has vtable info then insert appropriate |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 853 | /// debug info entry in EltTys vector. |
| 854 | void CGDebugInfo:: |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 855 | CollectVTableInfo(const CXXRecordDecl *RD, llvm::DIFile Unit, |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 856 | llvm::SmallVectorImpl<llvm::Value *> &EltTys) { |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 857 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 858 | |
| 859 | // If there is a primary base then it will hold vtable info. |
| 860 | if (RL.getPrimaryBase()) |
| 861 | return; |
| 862 | |
| 863 | // If this class is not dynamic then there is not any vtable info to collect. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 864 | if (!RD->isDynamicClass()) |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 865 | return; |
| 866 | |
| 867 | unsigned Size = CGM.getContext().getTypeSize(CGM.getContext().VoidPtrTy); |
| 868 | llvm::DIType VPTR |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 869 | = DBuilder.CreateMemberType(getVTableName(RD), Unit, |
| 870 | 0, Size, 0, 0, 0, |
| 871 | getOrCreateVTablePtrType(Unit)); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 872 | EltTys.push_back(VPTR); |
| 873 | } |
| 874 | |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 875 | /// getOrCreateRecordType - Emit record type's standalone debug info. |
| 876 | llvm::DIType CGDebugInfo::getOrCreateRecordType(QualType RTy, |
| 877 | SourceLocation Loc) { |
| 878 | llvm::DIType T = getOrCreateType(RTy, getOrCreateFile(Loc)); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 879 | DBuilder.RetainType(T); |
Devang Patel | c69e1cf | 2010-09-30 19:05:55 +0000 | [diff] [blame] | 880 | return T; |
| 881 | } |
| 882 | |
Devang Patel | 65e99f2 | 2009-02-25 01:36:11 +0000 | [diff] [blame] | 883 | /// CreateType - get structure or union type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 884 | llvm::DIType CGDebugInfo::CreateType(const RecordType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 885 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 886 | RecordDecl *RD = Ty->getDecl(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 887 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 888 | // Get overall information about the record type for the debug info. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 889 | llvm::DIFile DefUnit = getOrCreateFile(RD->getLocation()); |
| 890 | unsigned Line = getLineNumber(RD->getLocation()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 891 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 892 | // Records and classes and unions can all be recursive. To handle them, we |
| 893 | // first generate a debug descriptor for the struct as a forward declaration. |
| 894 | // Then (if it is a definition) we go through and get debug info for all of |
| 895 | // its members. Finally, we create a descriptor for the complete type (which |
| 896 | // may refer to the forward decl if the struct is recursive) and replace all |
| 897 | // uses of the forward declaration with the final definition. |
Devang Patel | 0b89799 | 2010-07-08 19:56:29 +0000 | [diff] [blame] | 898 | llvm::DIDescriptor FDContext = |
| 899 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
| 900 | |
| 901 | // If this is just a forward declaration, construct an appropriately |
| 902 | // marked node and just return it. |
| 903 | if (!RD->getDefinition()) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 904 | llvm::DIType FwdDecl = |
| 905 | DBuilder.CreateStructType(FDContext, RD->getName(), |
| 906 | DefUnit, Line, 0, 0, |
| 907 | llvm::DIDescriptor::FlagFwdDecl, |
| 908 | llvm::DIArray()); |
Devang Patel | 0b89799 | 2010-07-08 19:56:29 +0000 | [diff] [blame] | 909 | |
| 910 | return FwdDecl; |
| 911 | } |
Devang Patel | d0f251b | 2010-01-20 23:56:40 +0000 | [diff] [blame] | 912 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 913 | llvm::DIType FwdDecl = DBuilder.CreateTemporaryType(DefUnit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 914 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 915 | llvm::MDNode *MN = FwdDecl; |
| 916 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = MN; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 917 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 918 | // it. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 919 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl; |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 920 | // Push the struct on region stack. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 921 | RegionStack.push_back(FwdDeclNode); |
| 922 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 923 | |
| 924 | // Convert all the elements. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 925 | llvm::SmallVector<llvm::Value *, 16> EltTys; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 926 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 927 | const CXXRecordDecl *CXXDecl = dyn_cast<CXXRecordDecl>(RD); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 928 | if (CXXDecl) { |
| 929 | CollectCXXBases(CXXDecl, Unit, EltTys, FwdDecl); |
Anders Carlsson | 046c294 | 2010-04-17 20:15:18 +0000 | [diff] [blame] | 930 | CollectVTableInfo(CXXDecl, Unit, EltTys); |
Devang Patel | 3064afe | 2010-01-28 21:41:35 +0000 | [diff] [blame] | 931 | } |
Devang Patel | dabc3e9 | 2010-08-12 00:02:44 +0000 | [diff] [blame] | 932 | |
| 933 | // Collect static variables with initializers. |
| 934 | for (RecordDecl::decl_iterator I = RD->decls_begin(), E = RD->decls_end(); |
| 935 | I != E; ++I) |
| 936 | if (const VarDecl *V = dyn_cast<VarDecl>(*I)) { |
| 937 | if (const Expr *Init = V->getInit()) { |
| 938 | Expr::EvalResult Result; |
| 939 | if (Init->Evaluate(Result, CGM.getContext()) && Result.Val.isInt()) { |
| 940 | llvm::ConstantInt *CI |
| 941 | = llvm::ConstantInt::get(CGM.getLLVMContext(), Result.Val.getInt()); |
| 942 | |
| 943 | // Create the descriptor for static variable. |
| 944 | llvm::DIFile VUnit = getOrCreateFile(V->getLocation()); |
| 945 | llvm::StringRef VName = V->getName(); |
| 946 | llvm::DIType VTy = getOrCreateType(V->getType(), VUnit); |
| 947 | // Do not use DIGlobalVariable for enums. |
| 948 | if (VTy.getTag() != llvm::dwarf::DW_TAG_enumeration_type) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 949 | DBuilder.CreateStaticVariable(FwdDecl, VName, VName, VUnit, |
| 950 | getLineNumber(V->getLocation()), |
| 951 | VTy, true, CI); |
Devang Patel | dabc3e9 | 2010-08-12 00:02:44 +0000 | [diff] [blame] | 952 | } |
| 953 | } |
| 954 | } |
| 955 | } |
| 956 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 957 | CollectRecordFields(RD, Unit, EltTys); |
Devang Patel | 4ce3f20 | 2010-01-28 18:11:52 +0000 | [diff] [blame] | 958 | if (CXXDecl) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 959 | CollectCXXMemberFunctions(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 2ed8f00 | 2010-08-27 17:47:47 +0000 | [diff] [blame] | 960 | CollectCXXFriends(CXXDecl, Unit, EltTys, FwdDecl); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 961 | } |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 962 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 963 | RegionStack.pop_back(); |
| 964 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 965 | RegionMap.find(Ty->getDecl()); |
| 966 | if (RI != RegionMap.end()) |
| 967 | RegionMap.erase(RI); |
| 968 | |
| 969 | llvm::DIDescriptor RDContext = |
| 970 | getContextDescriptor(dyn_cast<Decl>(RD->getDeclContext()), Unit); |
| 971 | llvm::StringRef RDName = RD->getName(); |
| 972 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 973 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
| 974 | llvm::DIArray Elements = |
| 975 | DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
| 976 | llvm::MDNode *RealDecl = NULL; |
| 977 | |
| 978 | if (RD->isStruct()) |
| 979 | RealDecl = DBuilder.CreateStructType(RDContext, RDName, DefUnit, Line, |
| 980 | Size, Align, 0, Elements); |
| 981 | else if (RD->isUnion()) |
| 982 | RealDecl = DBuilder.CreateUnionType(RDContext, RDName, DefUnit, Line, |
| 983 | Size, Align, 0, Elements); |
| 984 | else { |
| 985 | assert(RD->isClass() && "Unknown RecordType!"); |
| 986 | RDName = getClassName(RD); |
| 987 | // A class's primary base or the class itself contains the vtable. |
| 988 | llvm::MDNode *ContainingType = NULL; |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 989 | const ASTRecordLayout &RL = CGM.getContext().getASTRecordLayout(RD); |
Devang Patel | 5bc794f | 2010-10-14 22:59:23 +0000 | [diff] [blame] | 990 | if (const CXXRecordDecl *PBase = RL.getPrimaryBase()) { |
| 991 | // Seek non virtual primary base root. |
| 992 | while (1) { |
| 993 | const ASTRecordLayout &BRL = CGM.getContext().getASTRecordLayout(PBase); |
| 994 | const CXXRecordDecl *PBT = BRL.getPrimaryBase(); |
Anders Carlsson | c9e814b | 2010-11-24 23:12:57 +0000 | [diff] [blame] | 995 | if (PBT && !BRL.isPrimaryBaseVirtual()) |
Devang Patel | 5bc794f | 2010-10-14 22:59:23 +0000 | [diff] [blame] | 996 | PBase = PBT; |
| 997 | else |
| 998 | break; |
| 999 | } |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1000 | ContainingType = |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1001 | getOrCreateType(QualType(PBase->getTypeForDecl(), 0), Unit); |
Devang Patel | 5bc794f | 2010-10-14 22:59:23 +0000 | [diff] [blame] | 1002 | } |
Devang Patel | 0ac8f31 | 2010-01-28 00:54:21 +0000 | [diff] [blame] | 1003 | else if (CXXDecl->isDynamicClass()) |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1004 | ContainingType = FwdDecl; |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1005 | RealDecl = DBuilder.CreateClassType(RDContext, RDName, DefUnit, Line, |
| 1006 | Size, Align, 0, 0, llvm::DIType(), |
| 1007 | Elements, ContainingType); |
Devang Patel | a245c5b | 2010-01-25 23:32:18 +0000 | [diff] [blame] | 1008 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1009 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1010 | // Now that we have a real decl for the struct, replace anything using the |
| 1011 | // old decl with the new one. This will recursively update the debug info. |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 1012 | llvm::DIType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1013 | RegionMap[RD] = llvm::WeakVH(RealDecl); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1014 | return llvm::DIType(RealDecl); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1015 | } |
| 1016 | |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 1017 | /// CreateType - get objective-c object type. |
| 1018 | llvm::DIType CGDebugInfo::CreateType(const ObjCObjectType *Ty, |
| 1019 | llvm::DIFile Unit) { |
| 1020 | // Ignore protocols. |
| 1021 | return getOrCreateType(Ty->getBaseType(), Unit); |
| 1022 | } |
| 1023 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1024 | /// CreateType - get objective-c interface type. |
| 1025 | llvm::DIType CGDebugInfo::CreateType(const ObjCInterfaceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1026 | llvm::DIFile Unit) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1027 | ObjCInterfaceDecl *ID = Ty->getDecl(); |
Douglas Gregor | a6a2897 | 2010-11-30 06:38:09 +0000 | [diff] [blame] | 1028 | if (!ID) |
| 1029 | return llvm::DIType(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1030 | |
| 1031 | // Get overall information about the record type for the debug info. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1032 | llvm::DIFile DefUnit = getOrCreateFile(ID->getLocation()); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1033 | unsigned Line = getLineNumber(ID->getLocation()); |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1034 | unsigned RuntimeLang = TheCU.getLanguage(); |
Chris Lattner | ac7c814 | 2009-05-02 01:13:16 +0000 | [diff] [blame] | 1035 | |
Dan Gohman | 45f7c78 | 2010-08-23 21:15:56 +0000 | [diff] [blame] | 1036 | // If this is just a forward declaration, return a special forward-declaration |
| 1037 | // debug type. |
| 1038 | if (ID->isForwardDecl()) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1039 | llvm::DIType FwdDecl = |
| 1040 | DBuilder.CreateStructType(Unit, ID->getName(), |
| 1041 | DefUnit, Line, 0, 0, 0, |
| 1042 | llvm::DIArray(), RuntimeLang); |
Dan Gohman | 45f7c78 | 2010-08-23 21:15:56 +0000 | [diff] [blame] | 1043 | return FwdDecl; |
| 1044 | } |
| 1045 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1046 | // To handle recursive interface, we |
| 1047 | // first generate a debug descriptor for the struct as a forward declaration. |
| 1048 | // Then (if it is a definition) we go through and get debug info for all of |
| 1049 | // its members. Finally, we create a descriptor for the complete type (which |
| 1050 | // may refer to the forward decl if the struct is recursive) and replace all |
| 1051 | // uses of the forward declaration with the final definition. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1052 | llvm::DIType FwdDecl = DBuilder.CreateTemporaryType(DefUnit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1053 | |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1054 | llvm::MDNode *MN = FwdDecl; |
| 1055 | llvm::TrackingVH<llvm::MDNode> FwdDeclNode = MN; |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1056 | // Otherwise, insert it into the TypeCache so that recursive uses will find |
| 1057 | // it. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1058 | TypeCache[QualType(Ty, 0).getAsOpaquePtr()] = FwdDecl; |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 1059 | // Push the struct on region stack. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1060 | RegionStack.push_back(FwdDeclNode); |
| 1061 | RegionMap[Ty->getDecl()] = llvm::WeakVH(FwdDecl); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1062 | |
| 1063 | // Convert all the elements. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1064 | llvm::SmallVector<llvm::Value *, 16> EltTys; |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1065 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1066 | ObjCInterfaceDecl *SClass = ID->getSuperClass(); |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 1067 | if (SClass) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1068 | llvm::DIType SClassTy = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1069 | getOrCreateType(CGM.getContext().getObjCInterfaceType(SClass), Unit); |
Douglas Gregor | a6a2897 | 2010-11-30 06:38:09 +0000 | [diff] [blame] | 1070 | if (!SClassTy.isValid()) |
| 1071 | return llvm::DIType(); |
| 1072 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1073 | llvm::DIType InhTag = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1074 | DBuilder.CreateInheritance(FwdDecl, SClassTy, 0, 0); |
Devang Patel | fbe899f | 2009-03-10 21:30:26 +0000 | [diff] [blame] | 1075 | EltTys.push_back(InhTag); |
| 1076 | } |
| 1077 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1078 | const ASTRecordLayout &RL = CGM.getContext().getASTObjCInterfaceLayout(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1079 | |
| 1080 | unsigned FieldNo = 0; |
Fariborz Jahanian | 9747739 | 2010-10-01 00:01:53 +0000 | [diff] [blame] | 1081 | for (ObjCIvarDecl *Field = ID->all_declared_ivar_begin(); Field; |
Fariborz Jahanian | fe8fdba | 2010-10-11 23:55:47 +0000 | [diff] [blame] | 1082 | Field = Field->getNextIvar(), ++FieldNo) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1083 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
Douglas Gregor | a6a2897 | 2010-11-30 06:38:09 +0000 | [diff] [blame] | 1084 | if (!FieldTy.isValid()) |
| 1085 | return llvm::DIType(); |
| 1086 | |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1087 | llvm::StringRef FieldName = Field->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1088 | |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 1089 | // Ignore unnamed fields. |
Devang Patel | 7362162 | 2009-11-25 17:37:31 +0000 | [diff] [blame] | 1090 | if (FieldName.empty()) |
Devang Patel | de13502 | 2009-04-27 22:40:36 +0000 | [diff] [blame] | 1091 | continue; |
| 1092 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1093 | // Get the location for the field. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1094 | llvm::DIFile FieldDefUnit = getOrCreateFile(Field->getLocation()); |
| 1095 | unsigned FieldLine = getLineNumber(Field->getLocation()); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1096 | QualType FType = Field->getType(); |
| 1097 | uint64_t FieldSize = 0; |
| 1098 | unsigned FieldAlign = 0; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1099 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1100 | if (!FType->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1101 | |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1102 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1103 | FieldSize = CGM.getContext().getTypeSize(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1104 | Expr *BitWidth = Field->getBitWidth(); |
| 1105 | if (BitWidth) |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1106 | FieldSize = BitWidth->EvaluateAsInt(CGM.getContext()).getZExtValue(); |
Eli Friedman | 9a901bb | 2009-04-26 19:19:15 +0000 | [diff] [blame] | 1107 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1108 | FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 99c20eb | 2009-03-20 18:24:39 +0000 | [diff] [blame] | 1109 | } |
| 1110 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1111 | uint64_t FieldOffset = RL.getFieldOffset(FieldNo); |
| 1112 | |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1113 | unsigned Flags = 0; |
| 1114 | if (Field->getAccessControl() == ObjCIvarDecl::Protected) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1115 | Flags = llvm::DIDescriptor::FlagProtected; |
Devang Patel | c20482b | 2009-03-19 00:23:53 +0000 | [diff] [blame] | 1116 | else if (Field->getAccessControl() == ObjCIvarDecl::Private) |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1117 | Flags = llvm::DIDescriptor::FlagPrivate; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1118 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1119 | FieldTy = DBuilder.CreateMemberType(FieldName, FieldDefUnit, |
| 1120 | FieldLine, FieldSize, FieldAlign, |
| 1121 | FieldOffset, Flags, FieldTy); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1122 | EltTys.push_back(FieldTy); |
| 1123 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1124 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1125 | llvm::DIArray Elements = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1126 | DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1127 | |
Devang Patel | e4c1ea0 | 2010-03-11 20:01:48 +0000 | [diff] [blame] | 1128 | RegionStack.pop_back(); |
| 1129 | llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator RI = |
| 1130 | RegionMap.find(Ty->getDecl()); |
| 1131 | if (RI != RegionMap.end()) |
| 1132 | RegionMap.erase(RI); |
| 1133 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1134 | // Bit size, align and offset of the type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1135 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1136 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1137 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1138 | llvm::DIType RealDecl = |
| 1139 | DBuilder.CreateStructType(Unit, ID->getName(), DefUnit, |
| 1140 | Line, Size, Align, 0, |
| 1141 | Elements, RuntimeLang); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1142 | |
| 1143 | // Now that we have a real decl for the struct, replace anything using the |
| 1144 | // old decl with the new one. This will recursively update the debug info. |
Dan Gohman | 4cac5b4 | 2010-08-20 22:02:57 +0000 | [diff] [blame] | 1145 | llvm::DIType(FwdDeclNode).replaceAllUsesWith(RealDecl); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1146 | RegionMap[ID] = llvm::WeakVH(RealDecl); |
Devang Patel | fe09eab | 2009-07-13 17:03:14 +0000 | [diff] [blame] | 1147 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1148 | return RealDecl; |
| 1149 | } |
| 1150 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1151 | llvm::DIType CGDebugInfo::CreateType(const EnumType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1152 | llvm::DIFile Unit) { |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1153 | return CreateEnumType(Ty->getDecl(), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1154 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1155 | } |
| 1156 | |
| 1157 | llvm::DIType CGDebugInfo::CreateType(const TagType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1158 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1159 | if (const RecordType *RT = dyn_cast<RecordType>(Ty)) |
| 1160 | return CreateType(RT, Unit); |
| 1161 | else if (const EnumType *ET = dyn_cast<EnumType>(Ty)) |
| 1162 | return CreateType(ET, Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1163 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1164 | return llvm::DIType(); |
| 1165 | } |
| 1166 | |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1167 | llvm::DIType CGDebugInfo::CreateType(const VectorType *Ty, |
Eli Friedman | a7e6845 | 2010-08-22 01:00:03 +0000 | [diff] [blame] | 1168 | llvm::DIFile Unit) { |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1169 | llvm::DIType ElementTy = getOrCreateType(Ty->getElementType(), Unit); |
| 1170 | uint64_t NumElems = Ty->getNumElements(); |
| 1171 | if (NumElems > 0) |
| 1172 | --NumElems; |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1173 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1174 | llvm::Value *Subscript = DBuilder.GetOrCreateSubrange(0, NumElems); |
| 1175 | llvm::DIArray SubscriptArray = DBuilder.GetOrCreateArray(&Subscript, 1); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1176 | |
| 1177 | uint64_t Size = CGM.getContext().getTypeSize(Ty); |
| 1178 | uint64_t Align = CGM.getContext().getTypeAlign(Ty); |
| 1179 | |
| 1180 | return |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1181 | DBuilder.CreateVectorType(Size, Align, ElementTy, SubscriptArray); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1182 | } |
| 1183 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1184 | llvm::DIType CGDebugInfo::CreateType(const ArrayType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1185 | llvm::DIFile Unit) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1186 | uint64_t Size; |
| 1187 | uint64_t Align; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1188 | |
| 1189 | |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1190 | // FIXME: make getTypeAlign() aware of VLAs and incomplete array types |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1191 | if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(Ty)) { |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1192 | Size = 0; |
| 1193 | Align = |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1194 | CGM.getContext().getTypeAlign(CGM.getContext().getBaseElementType(VAT)); |
Nuno Lopes | 010d514 | 2009-01-28 00:35:17 +0000 | [diff] [blame] | 1195 | } else if (Ty->isIncompleteArrayType()) { |
| 1196 | Size = 0; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1197 | Align = CGM.getContext().getTypeAlign(Ty->getElementType()); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1198 | } else { |
| 1199 | // Size and align of the whole array, not the element type. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1200 | Size = CGM.getContext().getTypeSize(Ty); |
| 1201 | Align = CGM.getContext().getTypeAlign(Ty); |
Anders Carlsson | 835c909 | 2009-01-05 01:23:29 +0000 | [diff] [blame] | 1202 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1203 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1204 | // Add the dimensions of the array. FIXME: This loses CV qualifiers from |
| 1205 | // interior arrays, do we care? Why aren't nested arrays represented the |
| 1206 | // obvious/recursive way? |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1207 | llvm::SmallVector<llvm::Value *, 8> Subscripts; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1208 | QualType EltTy(Ty, 0); |
Devang Patel | cdf523c | 2010-10-06 18:30:00 +0000 | [diff] [blame] | 1209 | if (Ty->isIncompleteArrayType()) |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1210 | EltTy = Ty->getElementType(); |
Devang Patel | cdf523c | 2010-10-06 18:30:00 +0000 | [diff] [blame] | 1211 | else { |
| 1212 | while ((Ty = dyn_cast<ArrayType>(EltTy))) { |
| 1213 | uint64_t Upper = 0; |
| 1214 | if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(Ty)) |
| 1215 | if (CAT->getSize().getZExtValue()) |
| 1216 | Upper = CAT->getSize().getZExtValue() - 1; |
| 1217 | // FIXME: Verify this is right for VLAs. |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1218 | Subscripts.push_back(DBuilder.GetOrCreateSubrange(0, Upper)); |
Devang Patel | cdf523c | 2010-10-06 18:30:00 +0000 | [diff] [blame] | 1219 | EltTy = Ty->getElementType(); |
| 1220 | } |
Sanjiv Gupta | 507de85 | 2008-06-09 10:47:41 +0000 | [diff] [blame] | 1221 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1222 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1223 | llvm::DIArray SubscriptArray = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1224 | DBuilder.GetOrCreateArray(Subscripts.data(), Subscripts.size()); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1225 | |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1226 | llvm::DIType DbgTy = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1227 | DBuilder.CreateArrayType(Size, Align, getOrCreateType(EltTy, Unit), |
| 1228 | SubscriptArray); |
Devang Patel | ca80a5f | 2009-10-20 19:55:01 +0000 | [diff] [blame] | 1229 | return DbgTy; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1230 | } |
| 1231 | |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1232 | llvm::DIType CGDebugInfo::CreateType(const LValueReferenceType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1233 | llvm::DIFile Unit) { |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1234 | return CreatePointerLikeType(llvm::dwarf::DW_TAG_reference_type, |
| 1235 | Ty, Ty->getPointeeType(), Unit); |
| 1236 | } |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1237 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1238 | llvm::DIType CGDebugInfo::CreateType(const MemberPointerType *Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1239 | llvm::DIFile U) { |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1240 | QualType PointerDiffTy = CGM.getContext().getPointerDiffType(); |
| 1241 | llvm::DIType PointerDiffDITy = getOrCreateType(PointerDiffTy, U); |
| 1242 | |
| 1243 | if (!Ty->getPointeeType()->isFunctionType()) { |
| 1244 | // We have a data member pointer type. |
| 1245 | return PointerDiffDITy; |
| 1246 | } |
| 1247 | |
| 1248 | // We have a member function pointer type. Treat it as a struct with two |
| 1249 | // ptrdiff_t members. |
| 1250 | std::pair<uint64_t, unsigned> Info = CGM.getContext().getTypeInfo(Ty); |
| 1251 | |
| 1252 | uint64_t FieldOffset = 0; |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1253 | llvm::Value *ElementTypes[2]; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1254 | |
| 1255 | // FIXME: This should probably be a function type instead. |
| 1256 | ElementTypes[0] = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1257 | DBuilder.CreateMemberType("ptr", U, 0, |
| 1258 | Info.first, Info.second, FieldOffset, 0, |
| 1259 | PointerDiffDITy); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1260 | FieldOffset += Info.first; |
| 1261 | |
| 1262 | ElementTypes[1] = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1263 | DBuilder.CreateMemberType("ptr", U, 0, |
| 1264 | Info.first, Info.second, FieldOffset, 0, |
| 1265 | PointerDiffDITy); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1266 | |
| 1267 | llvm::DIArray Elements = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1268 | DBuilder.GetOrCreateArray(&ElementTypes[0], |
| 1269 | llvm::array_lengthof(ElementTypes)); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1270 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1271 | return DBuilder.CreateStructType(U, llvm::StringRef("test"), |
| 1272 | U, 0, FieldOffset, |
| 1273 | 0, 0, Elements); |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1274 | } |
| 1275 | |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1276 | /// CreateEnumType - get enumeration type. |
| 1277 | llvm::DIType CGDebugInfo::CreateEnumType(const EnumDecl *ED, llvm::DIFile Unit){ |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1278 | llvm::SmallVector<llvm::Value *, 16> Enumerators; |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1279 | |
| 1280 | // Create DIEnumerator elements for each enumerator. |
| 1281 | for (EnumDecl::enumerator_iterator |
| 1282 | Enum = ED->enumerator_begin(), EnumEnd = ED->enumerator_end(); |
| 1283 | Enum != EnumEnd; ++Enum) { |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1284 | Enumerators.push_back( |
| 1285 | DBuilder.CreateEnumerator(Enum->getName(), |
| 1286 | Enum->getInitVal().getZExtValue())); |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1287 | } |
| 1288 | |
| 1289 | // Return a CompositeType for the enum itself. |
| 1290 | llvm::DIArray EltArray = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1291 | DBuilder.GetOrCreateArray(Enumerators.data(), Enumerators.size()); |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1292 | |
| 1293 | llvm::DIFile DefUnit = getOrCreateFile(ED->getLocation()); |
| 1294 | unsigned Line = getLineNumber(ED->getLocation()); |
| 1295 | uint64_t Size = 0; |
Devang Patel | ffc52e7 | 2010-08-24 18:14:06 +0000 | [diff] [blame] | 1296 | uint64_t Align = 0; |
| 1297 | if (!ED->getTypeForDecl()->isIncompleteType()) { |
| 1298 | Size = CGM.getContext().getTypeSize(ED->getTypeForDecl()); |
| 1299 | Align = CGM.getContext().getTypeAlign(ED->getTypeForDecl()); |
| 1300 | } |
Devang Patel | 4bc4887 | 2010-10-27 23:23:58 +0000 | [diff] [blame] | 1301 | llvm::DIDescriptor EnumContext = |
| 1302 | getContextDescriptor(dyn_cast<Decl>(ED->getDeclContext()), Unit); |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1303 | llvm::DIType DbgTy = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1304 | DBuilder.CreateEnumerationType(EnumContext, ED->getName(), DefUnit, Line, |
| 1305 | Size, Align, EltArray); |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1306 | return DbgTy; |
| 1307 | } |
| 1308 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1309 | static QualType UnwrapTypeForDebugInfo(QualType T) { |
| 1310 | do { |
| 1311 | QualType LastT = T; |
| 1312 | switch (T->getTypeClass()) { |
| 1313 | default: |
| 1314 | return T; |
| 1315 | case Type::TemplateSpecialization: |
| 1316 | T = cast<TemplateSpecializationType>(T)->desugar(); |
| 1317 | break; |
| 1318 | case Type::TypeOfExpr: { |
| 1319 | TypeOfExprType *Ty = cast<TypeOfExprType>(T); |
| 1320 | T = Ty->getUnderlyingExpr()->getType(); |
| 1321 | break; |
| 1322 | } |
| 1323 | case Type::TypeOf: |
| 1324 | T = cast<TypeOfType>(T)->getUnderlyingType(); |
| 1325 | break; |
| 1326 | case Type::Decltype: |
| 1327 | T = cast<DecltypeType>(T)->getUnderlyingType(); |
| 1328 | break; |
Abramo Bagnara | 465d41b | 2010-05-11 21:36:43 +0000 | [diff] [blame] | 1329 | case Type::Elaborated: |
| 1330 | T = cast<ElaboratedType>(T)->getNamedType(); |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1331 | break; |
| 1332 | case Type::SubstTemplateTypeParm: |
| 1333 | T = cast<SubstTemplateTypeParmType>(T)->getReplacementType(); |
| 1334 | break; |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | assert(T != LastT && "Type unwrapping failed to unwrap!"); |
| 1338 | if (T == LastT) |
| 1339 | return T; |
| 1340 | } while (true); |
| 1341 | |
| 1342 | return T; |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1343 | } |
| 1344 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1345 | /// getOrCreateType - Get the type from the cache or create a new |
| 1346 | /// one if necessary. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1347 | llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1348 | llvm::DIFile Unit) { |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1349 | if (Ty.isNull()) |
| 1350 | return llvm::DIType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1351 | |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1352 | // Unwrap the type as needed for debug information. |
| 1353 | Ty = UnwrapTypeForDebugInfo(Ty); |
Anders Carlsson | 5b6117a | 2009-11-14 21:08:12 +0000 | [diff] [blame] | 1354 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1355 | // Check for existing entry. |
Ted Kremenek | 590838b | 2010-03-29 18:29:57 +0000 | [diff] [blame] | 1356 | llvm::DenseMap<void *, llvm::WeakVH>::iterator it = |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1357 | TypeCache.find(Ty.getAsOpaquePtr()); |
Daniel Dunbar | 65f13c3 | 2009-09-19 20:17:48 +0000 | [diff] [blame] | 1358 | if (it != TypeCache.end()) { |
| 1359 | // Verify that the debug info still exists. |
| 1360 | if (&*it->second) |
| 1361 | return llvm::DIType(cast<llvm::MDNode>(it->second)); |
| 1362 | } |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1363 | |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1364 | // Otherwise create the type. |
| 1365 | llvm::DIType Res = CreateTypeNode(Ty, Unit); |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1366 | |
| 1367 | // And update the type cache. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1368 | TypeCache[Ty.getAsOpaquePtr()] = Res; |
Daniel Dunbar | 23e81ba | 2009-09-19 19:27:24 +0000 | [diff] [blame] | 1369 | return Res; |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1370 | } |
| 1371 | |
Anders Carlsson | 0dd57c6 | 2009-11-14 20:52:05 +0000 | [diff] [blame] | 1372 | /// CreateTypeNode - Create a new debug type node. |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1373 | llvm::DIType CGDebugInfo::CreateTypeNode(QualType Ty, |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1374 | llvm::DIFile Unit) { |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1375 | // Handle qualifiers, which recursively handles what they refer to. |
Douglas Gregor | a4923eb | 2009-11-16 21:35:15 +0000 | [diff] [blame] | 1376 | if (Ty.hasLocalQualifiers()) |
John McCall | a180529 | 2009-09-25 01:40:47 +0000 | [diff] [blame] | 1377 | return CreateQualifiedType(Ty, Unit); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1378 | |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1379 | const char *Diag = 0; |
| 1380 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1381 | // Work out details of type. |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1382 | switch (Ty->getTypeClass()) { |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1383 | #define TYPE(Class, Base) |
| 1384 | #define ABSTRACT_TYPE(Class, Base) |
| 1385 | #define NON_CANONICAL_TYPE(Class, Base) |
| 1386 | #define DEPENDENT_TYPE(Class, Base) case Type::Class: |
| 1387 | #include "clang/AST/TypeNodes.def" |
| 1388 | assert(false && "Dependent types cannot show up in debug information"); |
Argyrios Kyrtzidis | 1bb8a45 | 2009-08-19 01:28:17 +0000 | [diff] [blame] | 1389 | |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1390 | // FIXME: Handle these. |
| 1391 | case Type::ExtVector: |
Anders Carlsson | bfe6995 | 2009-11-06 18:24:04 +0000 | [diff] [blame] | 1392 | return llvm::DIType(); |
Devang Patel | 70c23cd | 2010-02-23 22:59:39 +0000 | [diff] [blame] | 1393 | |
| 1394 | case Type::Vector: |
| 1395 | return CreateType(cast<VectorType>(Ty), Unit); |
Daniel Dunbar | 9df4bb3 | 2009-07-14 01:20:56 +0000 | [diff] [blame] | 1396 | case Type::ObjCObjectPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1397 | return CreateType(cast<ObjCObjectPointerType>(Ty), Unit); |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 1398 | case Type::ObjCObject: |
| 1399 | return CreateType(cast<ObjCObjectType>(Ty), Unit); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1400 | case Type::ObjCInterface: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1401 | return CreateType(cast<ObjCInterfaceType>(Ty), Unit); |
Devang Patel | f1d1d9a | 2010-11-01 16:52:40 +0000 | [diff] [blame] | 1402 | case Type::Builtin: return CreateType(cast<BuiltinType>(Ty)); |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1403 | case Type::Complex: return CreateType(cast<ComplexType>(Ty), Unit); |
| 1404 | case Type::Pointer: return CreateType(cast<PointerType>(Ty), Unit); |
Mike Stump | 9bc093c | 2009-05-14 02:03:51 +0000 | [diff] [blame] | 1405 | case Type::BlockPointer: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1406 | return CreateType(cast<BlockPointerType>(Ty), Unit); |
| 1407 | case Type::Typedef: return CreateType(cast<TypedefType>(Ty), Unit); |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1408 | case Type::Record: |
Douglas Gregor | 72564e7 | 2009-02-26 23:50:07 +0000 | [diff] [blame] | 1409 | case Type::Enum: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1410 | return CreateType(cast<TagType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1411 | case Type::FunctionProto: |
| 1412 | case Type::FunctionNoProto: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1413 | return CreateType(cast<FunctionType>(Ty), Unit); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1414 | case Type::ConstantArray: |
| 1415 | case Type::VariableArray: |
| 1416 | case Type::IncompleteArray: |
Daniel Dunbar | 03faac3 | 2009-09-19 19:27:14 +0000 | [diff] [blame] | 1417 | return CreateType(cast<ArrayType>(Ty), Unit); |
Anders Carlsson | a031b35 | 2009-11-06 19:19:55 +0000 | [diff] [blame] | 1418 | |
| 1419 | case Type::LValueReference: |
| 1420 | return CreateType(cast<LValueReferenceType>(Ty), Unit); |
| 1421 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1422 | case Type::MemberPointer: |
| 1423 | return CreateType(cast<MemberPointerType>(Ty), Unit); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1424 | |
| 1425 | case Type::TemplateSpecialization: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1426 | case Type::Elaborated: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1427 | case Type::SubstTemplateTypeParm: |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1428 | case Type::TypeOfExpr: |
| 1429 | case Type::TypeOf: |
Douglas Gregor | 840943d | 2009-12-21 20:18:30 +0000 | [diff] [blame] | 1430 | case Type::Decltype: |
| 1431 | llvm_unreachable("type should have been unwrapped!"); |
| 1432 | return llvm::DIType(); |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1433 | |
| 1434 | case Type::RValueReference: |
| 1435 | // FIXME: Implement! |
| 1436 | Diag = "rvalue references"; |
| 1437 | break; |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1438 | } |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1439 | |
| 1440 | assert(Diag && "Fall through without a diagnostic?"); |
| 1441 | unsigned DiagID = CGM.getDiags().getCustomDiagID(Diagnostic::Error, |
| 1442 | "debug information for %0 is not yet supported"); |
Argyrios Kyrtzidis | 33e4e70 | 2010-11-18 20:06:41 +0000 | [diff] [blame] | 1443 | CGM.getDiags().Report(DiagID) |
Douglas Gregor | 2101a82 | 2009-12-21 19:57:21 +0000 | [diff] [blame] | 1444 | << Diag; |
| 1445 | return llvm::DIType(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1446 | } |
| 1447 | |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1448 | /// CreateMemberType - Create new member and increase Offset by FType's size. |
| 1449 | llvm::DIType CGDebugInfo::CreateMemberType(llvm::DIFile Unit, QualType FType, |
| 1450 | llvm::StringRef Name, |
| 1451 | uint64_t *Offset) { |
| 1452 | llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
| 1453 | uint64_t FieldSize = CGM.getContext().getTypeSize(FType); |
| 1454 | unsigned FieldAlign = CGM.getContext().getTypeAlign(FType); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1455 | llvm::DIType Ty = DBuilder.CreateMemberType(Name, Unit, 0, |
| 1456 | FieldSize, FieldAlign, |
| 1457 | *Offset, 0, FieldTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1458 | *Offset += FieldSize; |
| 1459 | return Ty; |
| 1460 | } |
| 1461 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1462 | /// EmitFunctionStart - Constructs the debug code for entering a function - |
| 1463 | /// "llvm.dbg.func.start.". |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1464 | void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1465 | llvm::Function *Fn, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1466 | CGBuilderTy &Builder) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1467 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1468 | llvm::StringRef Name; |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 1469 | llvm::StringRef LinkageName; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1470 | |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1471 | FnBeginRegionCount.push_back(RegionStack.size()); |
| 1472 | |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1473 | const Decl *D = GD.getDecl(); |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1474 | unsigned Flags = 0; |
Devang Patel | 0692f83 | 2010-10-11 21:58:41 +0000 | [diff] [blame] | 1475 | llvm::DIFile Unit = getOrCreateFile(CurLoc); |
| 1476 | llvm::DIDescriptor FDContext(Unit); |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1477 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1478 | // If there is a DISubprogram for this function available then use it. |
| 1479 | llvm::DenseMap<const FunctionDecl *, llvm::WeakVH>::iterator |
| 1480 | FI = SPCache.find(FD); |
| 1481 | if (FI != SPCache.end()) { |
Gabor Greif | 38c9b17 | 2010-09-18 13:00:17 +0000 | [diff] [blame] | 1482 | llvm::DIDescriptor SP(dyn_cast_or_null<llvm::MDNode>(&*FI->second)); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1483 | if (SP.isSubprogram() && llvm::DISubprogram(SP).isDefinition()) { |
| 1484 | llvm::MDNode *SPN = SP; |
| 1485 | RegionStack.push_back(SPN); |
| 1486 | RegionMap[D] = llvm::WeakVH(SP); |
Devang Patel | 4125fd2 | 2010-01-19 01:54:44 +0000 | [diff] [blame] | 1487 | return; |
| 1488 | } |
| 1489 | } |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1490 | Name = getFunctionName(FD); |
| 1491 | // Use mangled name as linkage name for c/c++ functions. |
Anders Carlsson | 9a20d55 | 2010-06-22 16:16:50 +0000 | [diff] [blame] | 1492 | LinkageName = CGM.getMangledName(GD); |
Devang Patel | 58faf20 | 2010-10-22 17:11:50 +0000 | [diff] [blame] | 1493 | if (LinkageName == Name) |
| 1494 | LinkageName = llvm::StringRef(); |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1495 | if (FD->hasPrototype()) |
| 1496 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | 0692f83 | 2010-10-11 21:58:41 +0000 | [diff] [blame] | 1497 | if (const NamespaceDecl *NSDecl = |
| 1498 | dyn_cast_or_null<NamespaceDecl>(FD->getDeclContext())) |
| 1499 | FDContext = getOrCreateNameSpace(NSDecl, Unit); |
David Chisnall | 70b9b44 | 2010-09-02 17:16:32 +0000 | [diff] [blame] | 1500 | } else if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D)) { |
David Chisnall | 52044a2 | 2010-09-02 18:01:51 +0000 | [diff] [blame] | 1501 | Name = getObjCMethodName(OMD); |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1502 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1503 | } else { |
Devang Patel | 58faf20 | 2010-10-22 17:11:50 +0000 | [diff] [blame] | 1504 | // Use llvm function name. |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1505 | Name = Fn->getName(); |
Devang Patel | 3951e71 | 2010-10-07 22:03:49 +0000 | [diff] [blame] | 1506 | Flags |= llvm::DIDescriptor::FlagPrototyped; |
Devang Patel | 9c6c3a0 | 2010-01-14 00:36:21 +0000 | [diff] [blame] | 1507 | } |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1508 | if (!Name.empty() && Name[0] == '\01') |
| 1509 | Name = Name.substr(1); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1510 | |
Devang Patel | 970c618 | 2010-04-24 00:49:16 +0000 | [diff] [blame] | 1511 | // It is expected that CurLoc is set before using EmitFunctionStart. |
| 1512 | // Usually, CurLoc points to the left bracket location of compound |
| 1513 | // statement representing function body. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1514 | unsigned LineNo = getLineNumber(CurLoc); |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1515 | if (D->isImplicit()) |
| 1516 | Flags |= llvm::DIDescriptor::FlagArtificial; |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1517 | llvm::DISubprogram SP = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1518 | DBuilder.CreateFunction(FDContext, Name, LinkageName, Unit, |
| 1519 | LineNo, getOrCreateType(FnType, Unit), |
| 1520 | Fn->hasInternalLinkage(), true/*definition*/, |
| 1521 | Flags, CGM.getLangOptions().Optimize, Fn); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1522 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1523 | // Push function on region stack. |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1524 | llvm::MDNode *SPN = SP; |
| 1525 | RegionStack.push_back(SPN); |
| 1526 | RegionMap[D] = llvm::WeakVH(SP); |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1527 | |
| 1528 | // Clear stack used to keep track of #line directives. |
| 1529 | LineDirectiveFiles.clear(); |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1530 | } |
| 1531 | |
| 1532 | |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1533 | void CGDebugInfo::EmitStopPoint(CGBuilderTy &Builder) { |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1534 | if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1535 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1536 | // Don't bother if things are the same as last time. |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1537 | SourceManager &SM = CGM.getContext().getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1538 | if (CurLoc == PrevLoc |
Chris Lattner | 30fc933 | 2009-02-04 01:06:56 +0000 | [diff] [blame] | 1539 | || (SM.getInstantiationLineNumber(CurLoc) == |
| 1540 | SM.getInstantiationLineNumber(PrevLoc) |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1541 | && SM.isFromSameFile(CurLoc, PrevLoc))) |
Devang Patel | 4800ea6 | 2010-04-05 21:09:15 +0000 | [diff] [blame] | 1542 | // New Builder may not be in sync with CGDebugInfo. |
| 1543 | if (!Builder.getCurrentDebugLocation().isUnknown()) |
| 1544 | return; |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1545 | |
| 1546 | // Update last state. |
| 1547 | PrevLoc = CurLoc; |
| 1548 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1549 | llvm::MDNode *Scope = RegionStack.back(); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1550 | Builder.SetCurrentDebugLocation(llvm::DebugLoc::get(getLineNumber(CurLoc), |
| 1551 | getColumnNumber(CurLoc), |
Chris Lattner | e541d01 | 2010-04-02 20:21:43 +0000 | [diff] [blame] | 1552 | Scope)); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1553 | } |
| 1554 | |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1555 | /// UpdateLineDirectiveRegion - Update region stack only if #line directive |
| 1556 | /// has introduced scope change. |
| 1557 | void CGDebugInfo::UpdateLineDirectiveRegion(CGBuilderTy &Builder) { |
| 1558 | if (CurLoc.isInvalid() || CurLoc.isMacroID() || |
| 1559 | PrevLoc.isInvalid() || PrevLoc.isMacroID()) |
| 1560 | return; |
| 1561 | SourceManager &SM = CGM.getContext().getSourceManager(); |
| 1562 | PresumedLoc PCLoc = SM.getPresumedLoc(CurLoc); |
| 1563 | PresumedLoc PPLoc = SM.getPresumedLoc(PrevLoc); |
| 1564 | |
Douglas Gregor | 8c457a8 | 2010-11-11 20:45:16 +0000 | [diff] [blame] | 1565 | if (PCLoc.isInvalid() || PPLoc.isInvalid() || |
| 1566 | !strcmp(PPLoc.getFilename(), PCLoc.getFilename())) |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1567 | return; |
| 1568 | |
| 1569 | // If #line directive stack is empty then we are entering a new scope. |
| 1570 | if (LineDirectiveFiles.empty()) { |
| 1571 | EmitRegionStart(Builder); |
| 1572 | LineDirectiveFiles.push_back(PCLoc.getFilename()); |
| 1573 | return; |
| 1574 | } |
| 1575 | |
| 1576 | assert (RegionStack.size() >= LineDirectiveFiles.size() |
| 1577 | && "error handling #line regions!"); |
| 1578 | |
| 1579 | bool SeenThisFile = false; |
Devang Patel | 424a5c6 | 2010-09-15 20:50:40 +0000 | [diff] [blame] | 1580 | // Chek if current file is already seen earlier. |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1581 | for(std::vector<const char *>::iterator I = LineDirectiveFiles.begin(), |
| 1582 | E = LineDirectiveFiles.end(); I != E; ++I) |
Devang Patel | 424a5c6 | 2010-09-15 20:50:40 +0000 | [diff] [blame] | 1583 | if (!strcmp(PCLoc.getFilename(), *I)) { |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1584 | SeenThisFile = true; |
| 1585 | break; |
| 1586 | } |
| 1587 | |
| 1588 | // If #line for this file is seen earlier then pop out #line regions. |
| 1589 | if (SeenThisFile) { |
| 1590 | while (!LineDirectiveFiles.empty()) { |
| 1591 | const char *LastFile = LineDirectiveFiles.back(); |
| 1592 | RegionStack.pop_back(); |
| 1593 | LineDirectiveFiles.pop_back(); |
| 1594 | if (!strcmp(PPLoc.getFilename(), LastFile)) |
| 1595 | break; |
| 1596 | } |
| 1597 | return; |
| 1598 | } |
| 1599 | |
| 1600 | // .. otherwise insert new #line region. |
| 1601 | EmitRegionStart(Builder); |
| 1602 | LineDirectiveFiles.push_back(PCLoc.getFilename()); |
| 1603 | |
| 1604 | return; |
| 1605 | } |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1606 | /// EmitRegionStart- Constructs the debug code for entering a declarative |
| 1607 | /// region - "llvm.dbg.region.start.". |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1608 | void CGDebugInfo::EmitRegionStart(CGBuilderTy &Builder) { |
Devang Patel | 8fae060 | 2009-11-13 19:10:24 +0000 | [diff] [blame] | 1609 | llvm::DIDescriptor D = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1610 | DBuilder.CreateLexicalBlock(RegionStack.empty() ? |
| 1611 | llvm::DIDescriptor() : |
| 1612 | llvm::DIDescriptor(RegionStack.back()), |
| 1613 | getOrCreateFile(CurLoc), |
| 1614 | getLineNumber(CurLoc), |
| 1615 | getColumnNumber(CurLoc)); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1616 | llvm::MDNode *DN = D; |
| 1617 | RegionStack.push_back(DN); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1618 | } |
| 1619 | |
| 1620 | /// EmitRegionEnd - Constructs the debug code for exiting a declarative |
| 1621 | /// region - "llvm.dbg.region.end." |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1622 | void CGDebugInfo::EmitRegionEnd(CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1623 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1624 | |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1625 | // Provide an region stop point. |
Devang Patel | 4d939e6 | 2010-07-20 22:20:10 +0000 | [diff] [blame] | 1626 | EmitStopPoint(Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1627 | |
Sanjiv Gupta | 1c6a38b | 2008-05-25 05:15:42 +0000 | [diff] [blame] | 1628 | RegionStack.pop_back(); |
Sanjiv Gupta | e8b9f5b | 2008-05-08 08:54:20 +0000 | [diff] [blame] | 1629 | } |
| 1630 | |
Devang Patel | 5a6fbcf | 2010-07-22 22:29:16 +0000 | [diff] [blame] | 1631 | /// EmitFunctionEnd - Constructs the debug code for exiting a function. |
| 1632 | void CGDebugInfo::EmitFunctionEnd(CGBuilderTy &Builder) { |
| 1633 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1634 | unsigned RCount = FnBeginRegionCount.back(); |
| 1635 | assert(RCount <= RegionStack.size() && "Region stack mismatch"); |
| 1636 | |
| 1637 | // Pop all regions for this function. |
| 1638 | while (RegionStack.size() != RCount) |
| 1639 | EmitRegionEnd(Builder); |
| 1640 | FnBeginRegionCount.pop_back(); |
| 1641 | } |
| 1642 | |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1643 | // EmitTypeForVarWithBlocksAttr - Build up structure info for the byref. |
| 1644 | // See BuildByRefType. |
| 1645 | llvm::DIType CGDebugInfo::EmitTypeForVarWithBlocksAttr(const ValueDecl *VD, |
| 1646 | uint64_t *XOffset) { |
| 1647 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1648 | llvm::SmallVector<llvm::Value *, 5> EltTys; |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1649 | QualType FType; |
| 1650 | uint64_t FieldSize, FieldOffset; |
| 1651 | unsigned FieldAlign; |
| 1652 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1653 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1654 | QualType Type = VD->getType(); |
| 1655 | |
| 1656 | FieldOffset = 0; |
| 1657 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1658 | EltTys.push_back(CreateMemberType(Unit, FType, "__isa", &FieldOffset)); |
| 1659 | EltTys.push_back(CreateMemberType(Unit, FType, "__forwarding", &FieldOffset)); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1660 | FType = CGM.getContext().IntTy; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1661 | EltTys.push_back(CreateMemberType(Unit, FType, "__flags", &FieldOffset)); |
| 1662 | EltTys.push_back(CreateMemberType(Unit, FType, "__size", &FieldOffset)); |
| 1663 | |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1664 | bool HasCopyAndDispose = CGM.BlockRequiresCopying(Type); |
| 1665 | if (HasCopyAndDispose) { |
| 1666 | FType = CGM.getContext().getPointerType(CGM.getContext().VoidTy); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1667 | EltTys.push_back(CreateMemberType(Unit, FType, "__copy_helper", |
| 1668 | &FieldOffset)); |
| 1669 | EltTys.push_back(CreateMemberType(Unit, FType, "__destroy_helper", |
| 1670 | &FieldOffset)); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1671 | } |
| 1672 | |
| 1673 | CharUnits Align = CGM.getContext().getDeclAlign(VD); |
| 1674 | if (Align > CharUnits::fromQuantity( |
| 1675 | CGM.getContext().Target.getPointerAlign(0) / 8)) { |
| 1676 | unsigned AlignedOffsetInBytes |
| 1677 | = llvm::RoundUpToAlignment(FieldOffset/8, Align.getQuantity()); |
| 1678 | unsigned NumPaddingBytes |
| 1679 | = AlignedOffsetInBytes - FieldOffset/8; |
| 1680 | |
| 1681 | if (NumPaddingBytes > 0) { |
| 1682 | llvm::APInt pad(32, NumPaddingBytes); |
| 1683 | FType = CGM.getContext().getConstantArrayType(CGM.getContext().CharTy, |
| 1684 | pad, ArrayType::Normal, 0); |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1685 | EltTys.push_back(CreateMemberType(Unit, FType, "", &FieldOffset)); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | FType = Type; |
Benjamin Kramer | 48c70f6 | 2010-04-24 20:19:58 +0000 | [diff] [blame] | 1690 | llvm::DIType FieldTy = CGDebugInfo::getOrCreateType(FType, Unit); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1691 | FieldSize = CGM.getContext().getTypeSize(FType); |
| 1692 | FieldAlign = Align.getQuantity()*8; |
| 1693 | |
| 1694 | *XOffset = FieldOffset; |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1695 | FieldTy = DBuilder.CreateMemberType(VD->getName(), Unit, |
| 1696 | 0, FieldSize, FieldAlign, |
| 1697 | FieldOffset, 0, FieldTy); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1698 | EltTys.push_back(FieldTy); |
| 1699 | FieldOffset += FieldSize; |
| 1700 | |
| 1701 | llvm::DIArray Elements = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1702 | DBuilder.GetOrCreateArray(EltTys.data(), EltTys.size()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1703 | |
Devang Patel | e247248 | 2010-09-29 21:05:52 +0000 | [diff] [blame] | 1704 | unsigned Flags = llvm::DIDescriptor::FlagBlockByrefStruct; |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1705 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1706 | return DBuilder.CreateStructType(Unit, "", Unit, 0, FieldOffset, 0, Flags, |
| 1707 | Elements); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1708 | } |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1709 | |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1710 | /// EmitDeclare - Emit local variable declaration debug info. |
Devang Patel | 239cec6 | 2010-02-01 21:39:52 +0000 | [diff] [blame] | 1711 | void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1712 | llvm::Value *Storage, CGBuilderTy &Builder) { |
Daniel Dunbar | 5273f51 | 2008-10-17 01:07:56 +0000 | [diff] [blame] | 1713 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1714 | |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1715 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1716 | llvm::DIType Ty; |
| 1717 | uint64_t XOffset = 0; |
| 1718 | if (VD->hasAttr<BlocksAttr>()) |
| 1719 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1720 | else |
| 1721 | Ty = getOrCreateType(VD->getType(), Unit); |
Chris Lattner | 650cea9 | 2009-05-05 04:57:08 +0000 | [diff] [blame] | 1722 | |
Devang Patel | f4e54a2 | 2010-05-07 23:05:55 +0000 | [diff] [blame] | 1723 | // If there is not any debug info for type then do not emit debug info |
| 1724 | // for this variable. |
| 1725 | if (!Ty) |
| 1726 | return; |
| 1727 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1728 | // Get location information. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1729 | unsigned Line = getLineNumber(VD->getLocation()); |
| 1730 | unsigned Column = getColumnNumber(VD->getLocation()); |
Devang Patel | aca745b | 2010-09-29 23:09:21 +0000 | [diff] [blame] | 1731 | unsigned Flags = 0; |
| 1732 | if (VD->isImplicit()) |
| 1733 | Flags |= llvm::DIDescriptor::FlagArtificial; |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1734 | llvm::MDNode *Scope = RegionStack.back(); |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1735 | |
| 1736 | llvm::StringRef Name = VD->getName(); |
| 1737 | if (!Name.empty()) { |
| 1738 | // Create the descriptor for the variable. |
| 1739 | llvm::DIVariable D = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1740 | DBuilder.CreateLocalVariable(Tag, llvm::DIDescriptor(Scope), |
| 1741 | Name, Unit, Line, Ty, |
| 1742 | CGM.getLangOptions().Optimize, Flags); |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1743 | |
| 1744 | // Insert an llvm.dbg.declare into the current block. |
| 1745 | llvm::Instruction *Call = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1746 | DBuilder.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1747 | |
| 1748 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
Devang Patel | f4dd962 | 2010-10-29 16:21:19 +0000 | [diff] [blame] | 1749 | return; |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1750 | } |
| 1751 | |
| 1752 | // If VD is an anonymous union then Storage represents value for |
| 1753 | // all union fields. |
| 1754 | if (const RecordType *RT = dyn_cast<RecordType>(VD->getType())) |
| 1755 | if (const RecordDecl *RD = dyn_cast<RecordDecl>(RT->getDecl())) |
| 1756 | if (RD->isUnion()) { |
| 1757 | for (RecordDecl::field_iterator I = RD->field_begin(), |
| 1758 | E = RD->field_end(); |
| 1759 | I != E; ++I) { |
| 1760 | FieldDecl *Field = *I; |
| 1761 | llvm::DIType FieldTy = getOrCreateType(Field->getType(), Unit); |
| 1762 | llvm::StringRef FieldName = Field->getName(); |
| 1763 | |
| 1764 | // Ignore unnamed fields. Do not ignore unnamed records. |
| 1765 | if (FieldName.empty() && !isa<RecordType>(Field->getType())) |
| 1766 | continue; |
| 1767 | |
| 1768 | // Use VarDecl's Tag, Scope and Line number. |
| 1769 | llvm::DIVariable D = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1770 | DBuilder.CreateLocalVariable(Tag, llvm::DIDescriptor(Scope), |
| 1771 | FieldName, Unit, Line, FieldTy, |
| 1772 | CGM.getLangOptions().Optimize, Flags); |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1773 | |
| 1774 | // Insert an llvm.dbg.declare into the current block. |
| 1775 | llvm::Instruction *Call = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1776 | DBuilder.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Devang Patel | cebbedd | 2010-10-12 23:24:54 +0000 | [diff] [blame] | 1777 | |
| 1778 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
| 1779 | } |
| 1780 | } |
Sanjiv Gupta | cc9b163 | 2008-05-30 10:30:31 +0000 | [diff] [blame] | 1781 | } |
| 1782 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1783 | /// EmitDeclare - Emit local variable declaration debug info. |
| 1784 | void CGDebugInfo::EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, |
| 1785 | llvm::Value *Storage, CGBuilderTy &Builder, |
| 1786 | CodeGenFunction *CGF) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1787 | const ValueDecl *VD = BDRE->getDecl(); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1788 | assert(!RegionStack.empty() && "Region stack mismatch, stack empty!"); |
| 1789 | |
Devang Patel | 2b594b9 | 2010-04-26 23:28:46 +0000 | [diff] [blame] | 1790 | if (Builder.GetInsertBlock() == 0) |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1791 | return; |
| 1792 | |
| 1793 | uint64_t XOffset = 0; |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1794 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
Devang Patel | 809b9bb | 2010-02-10 18:49:08 +0000 | [diff] [blame] | 1795 | llvm::DIType Ty; |
| 1796 | if (VD->hasAttr<BlocksAttr>()) |
| 1797 | Ty = EmitTypeForVarWithBlocksAttr(VD, &XOffset); |
| 1798 | else |
| 1799 | Ty = getOrCreateType(VD->getType(), Unit); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1800 | |
| 1801 | // Get location information. |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1802 | unsigned Line = getLineNumber(VD->getLocation()); |
| 1803 | unsigned Column = getColumnNumber(VD->getLocation()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1804 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1805 | CharUnits offset = CGF->BlockDecls[VD]; |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1806 | llvm::SmallVector<llvm::Value *, 9> addr; |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1807 | const llvm::Type *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext()); |
| 1808 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1809 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
| 1810 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1811 | if (BDRE->isByRef()) { |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1812 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1813 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1814 | // offset of __forwarding field |
| 1815 | offset = CharUnits::fromQuantity(CGF->LLVMPointerWidth/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1816 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
| 1817 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpDeref)); |
| 1818 | addr.push_back(llvm::ConstantInt::get(Int64Ty, llvm::DIFactory::OpPlus)); |
Ken Dyck | 199c3d6 | 2010-01-11 17:06:35 +0000 | [diff] [blame] | 1819 | // offset of x field |
| 1820 | offset = CharUnits::fromQuantity(XOffset/8); |
Chris Lattner | 14b1a36 | 2010-01-25 03:29:35 +0000 | [diff] [blame] | 1821 | addr.push_back(llvm::ConstantInt::get(Int64Ty, offset.getQuantity())); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1822 | } |
| 1823 | |
| 1824 | // Create the descriptor for the variable. |
| 1825 | llvm::DIVariable D = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1826 | DBuilder.CreateComplexVariable(Tag, llvm::DIDescriptor(RegionStack.back()), |
| 1827 | VD->getName(), Unit, Line, Ty, |
| 1828 | addr.data(), addr.size()); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1829 | // Insert an llvm.dbg.declare into the current block. |
Devang Patel | ebf16e8 | 2009-11-11 19:10:19 +0000 | [diff] [blame] | 1830 | llvm::Instruction *Call = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1831 | DBuilder.InsertDeclare(Storage, D, Builder.GetInsertBlock()); |
Chris Lattner | d5b8902 | 2009-12-28 21:44:41 +0000 | [diff] [blame] | 1832 | |
Chris Lattner | c603463 | 2010-04-01 06:31:43 +0000 | [diff] [blame] | 1833 | llvm::MDNode *Scope = RegionStack.back(); |
Devang Patel | f8e10a5 | 2010-05-10 23:48:38 +0000 | [diff] [blame] | 1834 | Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1835 | } |
| 1836 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1837 | void CGDebugInfo::EmitDeclareOfAutoVariable(const VarDecl *VD, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1838 | llvm::Value *Storage, |
| 1839 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1840 | EmitDeclare(VD, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1841 | } |
| 1842 | |
Mike Stump | b1a6e68 | 2009-09-30 02:43:10 +0000 | [diff] [blame] | 1843 | void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( |
| 1844 | const BlockDeclRefExpr *BDRE, llvm::Value *Storage, CGBuilderTy &Builder, |
| 1845 | CodeGenFunction *CGF) { |
| 1846 | EmitDeclare(BDRE, llvm::dwarf::DW_TAG_auto_variable, Storage, Builder, CGF); |
| 1847 | } |
| 1848 | |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1849 | /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument |
| 1850 | /// variable declaration. |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1851 | void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *VD, llvm::Value *AI, |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1852 | CGBuilderTy &Builder) { |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1853 | EmitDeclare(VD, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); |
Chris Lattner | 9c85ba3 | 2008-11-10 06:08:34 +0000 | [diff] [blame] | 1854 | } |
| 1855 | |
| 1856 | |
| 1857 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1858 | /// EmitGlobalVariable - Emit information about a global variable. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1859 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1860 | const VarDecl *D) { |
| 1861 | |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1862 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1863 | llvm::DIFile Unit = getOrCreateFile(D->getLocation()); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1864 | unsigned LineNo = getLineNumber(D->getLocation()); |
Chris Lattner | 8ec03f5 | 2008-11-24 03:54:41 +0000 | [diff] [blame] | 1865 | |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1866 | QualType T = D->getType(); |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1867 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1868 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1869 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1870 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1871 | |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1872 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1873 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1874 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1875 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Anders Carlsson | 4d6e8dd | 2008-11-26 17:40:42 +0000 | [diff] [blame] | 1876 | ArrayType::Normal, 0); |
| 1877 | } |
Devang Patel | 5d822f0 | 2010-04-29 17:48:37 +0000 | [diff] [blame] | 1878 | llvm::StringRef DeclName = D->getName(); |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 1879 | llvm::StringRef LinkageName; |
Devang Patel | 0fd3d1f | 2010-05-14 16:55:25 +0000 | [diff] [blame] | 1880 | if (D->getDeclContext() && !isa<FunctionDecl>(D->getDeclContext())) |
Devang Patel | 8b90a78 | 2010-05-13 23:52:37 +0000 | [diff] [blame] | 1881 | LinkageName = Var->getName(); |
Devang Patel | 58faf20 | 2010-10-22 17:11:50 +0000 | [diff] [blame] | 1882 | if (LinkageName == DeclName) |
| 1883 | LinkageName = llvm::StringRef(); |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1884 | llvm::DIDescriptor DContext = |
| 1885 | getContextDescriptor(dyn_cast<Decl>(D->getDeclContext()), Unit); |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1886 | DBuilder.CreateStaticVariable(DContext, DeclName, LinkageName, |
| 1887 | Unit, LineNo, getOrCreateType(T, Unit), |
| 1888 | Var->hasInternalLinkage(), Var); |
Sanjiv Gupta | 686226b | 2008-06-05 08:59:10 +0000 | [diff] [blame] | 1889 | } |
| 1890 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1891 | /// EmitGlobalVariable - Emit information about an objective-c interface. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1892 | void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1893 | ObjCInterfaceDecl *ID) { |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1894 | // Create global variable debug descriptor. |
Devang Patel | 1780055 | 2010-03-09 00:44:50 +0000 | [diff] [blame] | 1895 | llvm::DIFile Unit = getOrCreateFile(ID->getLocation()); |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1896 | unsigned LineNo = getLineNumber(ID->getLocation()); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1897 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1898 | llvm::StringRef Name = ID->getName(); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1899 | |
Devang Patel | d6c5a26 | 2010-02-01 21:52:22 +0000 | [diff] [blame] | 1900 | QualType T = CGM.getContext().getObjCInterfaceType(ID); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1901 | if (T->isIncompleteArrayType()) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1902 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1903 | // CodeGen turns int[] into int[1] so we'll do the same here. |
| 1904 | llvm::APSInt ConstVal(32); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1905 | |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1906 | ConstVal = 1; |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1907 | QualType ET = CGM.getContext().getAsArrayType(T)->getElementType(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1908 | |
Anders Carlsson | 20f12a2 | 2009-12-06 18:00:51 +0000 | [diff] [blame] | 1909 | T = CGM.getContext().getConstantArrayType(ET, ConstVal, |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1910 | ArrayType::Normal, 0); |
| 1911 | } |
| 1912 | |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1913 | DBuilder.CreateGlobalVariable(Name, Unit, LineNo, |
| 1914 | getOrCreateType(T, Unit), |
| 1915 | Var->hasInternalLinkage(), Var); |
Devang Patel | 9ca36b6 | 2009-02-26 21:10:26 +0000 | [diff] [blame] | 1916 | } |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1917 | |
Devang Patel | 25c2c8f | 2010-08-10 17:53:33 +0000 | [diff] [blame] | 1918 | /// EmitGlobalVariable - Emit global variable's debug info. |
| 1919 | void CGDebugInfo::EmitGlobalVariable(const ValueDecl *VD, |
John McCall | 189d6ef | 2010-10-09 01:34:31 +0000 | [diff] [blame] | 1920 | llvm::Constant *Init) { |
Devang Patel | 8d30838 | 2010-08-10 07:24:25 +0000 | [diff] [blame] | 1921 | // Create the descriptor for the variable. |
| 1922 | llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); |
| 1923 | llvm::StringRef Name = VD->getName(); |
Devang Patel | 0317ab0 | 2010-08-10 18:27:15 +0000 | [diff] [blame] | 1924 | llvm::DIType Ty = getOrCreateType(VD->getType(), Unit); |
Devang Patel | 6237cea | 2010-08-23 22:07:25 +0000 | [diff] [blame] | 1925 | if (const EnumConstantDecl *ECD = dyn_cast<EnumConstantDecl>(VD)) { |
| 1926 | if (const EnumDecl *ED = dyn_cast<EnumDecl>(ECD->getDeclContext())) |
| 1927 | Ty = CreateEnumType(ED, Unit); |
| 1928 | } |
Devang Patel | 0317ab0 | 2010-08-10 18:27:15 +0000 | [diff] [blame] | 1929 | // Do not use DIGlobalVariable for enums. |
| 1930 | if (Ty.getTag() == llvm::dwarf::DW_TAG_enumeration_type) |
| 1931 | return; |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1932 | DBuilder.CreateStaticVariable(Unit, Name, Name, Unit, |
| 1933 | getLineNumber(VD->getLocation()), |
| 1934 | Ty, true, Init); |
Devang Patel | 8d30838 | 2010-08-10 07:24:25 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1937 | /// getOrCreateNamesSpace - Return namespace descriptor for the given |
| 1938 | /// namespace decl. |
| 1939 | llvm::DINameSpace |
| 1940 | CGDebugInfo::getOrCreateNameSpace(const NamespaceDecl *NSDecl, |
| 1941 | llvm::DIDescriptor Unit) { |
| 1942 | llvm::DenseMap<const NamespaceDecl *, llvm::WeakVH>::iterator I = |
| 1943 | NameSpaceCache.find(NSDecl); |
| 1944 | if (I != NameSpaceCache.end()) |
| 1945 | return llvm::DINameSpace(cast<llvm::MDNode>(I->second)); |
| 1946 | |
Devang Patel | 8ab870d | 2010-05-12 23:46:38 +0000 | [diff] [blame] | 1947 | unsigned LineNo = getLineNumber(NSDecl->getLocation()); |
Devang Patel | 8c37668 | 2010-10-28 19:12:46 +0000 | [diff] [blame] | 1948 | llvm::DIFile FileD = getOrCreateFile(NSDecl->getLocation()); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1949 | llvm::DIDescriptor Context = |
Devang Patel | eb6d79b | 2010-02-01 21:34:11 +0000 | [diff] [blame] | 1950 | getContextDescriptor(dyn_cast<Decl>(NSDecl->getDeclContext()), Unit); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1951 | llvm::DINameSpace NS = |
Devang Patel | 823d8e9 | 2010-12-08 22:42:58 +0000 | [diff] [blame^] | 1952 | DBuilder.CreateNameSpace(Context, NSDecl->getName(), FileD, LineNo); |
Devang Patel | ab69979 | 2010-05-07 18:12:35 +0000 | [diff] [blame] | 1953 | NameSpaceCache[NSDecl] = llvm::WeakVH(NS); |
Devang Patel | abb485f | 2010-02-01 19:16:32 +0000 | [diff] [blame] | 1954 | return NS; |
| 1955 | } |