void StructuredLoopToSelectionReductionOpportunity::
AdaptPhiInstructionsForAddedEdge(uint32_t from_id, BasicBlock* to_block) {
to_block->ForEachPhiInst([this, &from_id](Instruction* phi_inst) {
// Add to the phi operand an (undef, from_id) pair to reflect the added
// edge.
auto undef_id = FindOrCreateGlobalUndef(context_, phi_inst->type_id());
phi_inst->AddOperand(Operand(SPV_OPERAND_TYPE_ID, {undef_id}));
phi_inst->AddOperand(Operand(SPV_OPERAND_TYPE_ID, {from_id}));
});
}
static bool createPlistFile(llvm::StringRef Bin, llvm::StringRef BundleRoot) {
if (NoOutput)
return true;
// Create plist file to write to.
llvm::SmallString<128> InfoPlist(BundleRoot);
llvm::sys::path::append(InfoPlist, "Contents/Info.plist");
std::error_code EC;
llvm::raw_fd_ostream PL(InfoPlist, EC, llvm::sys::fs::F_Text);
if (EC) {
llvm::errs() << "error: cannot create plist file " << InfoPlist << ": "
<< EC.message() << '\n';
return false;
}
CFBundleInfo BI = getBundleInfo(Bin);
if (BI.IDStr.empty()) {
llvm::StringRef BundleID = *llvm::sys::path::rbegin(BundleRoot);
if (llvm::sys::path::extension(BundleRoot) == ".dSYM")
BI.IDStr = llvm::sys::path::stem(BundleID);
else
BI.IDStr = BundleID;
}
// Print out information to the plist file.
PL << "<?xml version=\"1.0\" encoding=\"UTF-8\"\?>\n"
<< "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" "
<< "\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
<< "<plist version=\"1.0\">\n"
<< "\t<dict>\n"
<< "\t\t<key>CFBundleDevelopmentRegion</key>\n"
<< "\t\t<string>English</string>\n"
<< "\t\t<key>CFBundleIdentifier</key>\n"
<< "\t\t<string>com.apple.xcode.dsym." << BI.IDStr << "</string>\n"
<< "\t\t<key>CFBundleInfoDictionaryVersion</key>\n"
<< "\t\t<string>6.0</string>\n"
<< "\t\t<key>CFBundlePackageType</key>\n"
<< "\t\t<string>dSYM</string>\n"
<< "\t\t<key>CFBundleSignature</key>\n"
<< "\t\t<string>\?\?\?\?</string>\n";
if (!BI.OmitShortVersion())
PL << "\t\t<key>CFBundleShortVersionString</key>\n"
<< "\t\t<string>" << BI.ShortVersionStr << "</string>\n";
PL << "\t\t<key>CFBundleVersion</key>\n"
<< "\t\t<string>" << BI.VersionStr << "</string>\n";
if (!Toolchain.empty())
PL << "\t\t<key>Toolchain</key>\n"
<< "\t\t<string>" << Toolchain << "</string>\n";
PL << "\t</dict>\n"
<< "</plist>\n";
PL.close();
return true;
}
static std::string getOutputFileName(llvm::StringRef InputFile) {
// When updating, do in place replacement.
if (OutputFileOpt.empty() && Update)
return InputFile;
// If a flat dSYM has been requested, things are pretty simple.
if (FlatOut) {
if (OutputFileOpt.empty()) {
if (InputFile == "-")
return "a.out.dwarf";
return (InputFile + ".dwarf").str();
}
return OutputFileOpt;
}
// We need to create/update a dSYM bundle.
// A bundle hierarchy looks like this:
// <bundle name>.dSYM/
// Contents/
// Info.plist
// Resources/
// DWARF/
// <DWARF file(s)>
std::string DwarfFile =
InputFile == "-" ? llvm::StringRef("a.out") : InputFile;
llvm::SmallString<128> BundleDir(OutputFileOpt);
if (BundleDir.empty())
BundleDir = DwarfFile + ".dSYM";
if (!createBundleDir(BundleDir) || !createPlistFile(DwarfFile, BundleDir))
return "";
llvm::sys::path::append(BundleDir, "Contents", "Resources", "DWARF",
llvm::sys::path::filename(DwarfFile));
return BundleDir.str();
}
int main(int argc, char **argv) {
llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
llvm::PrettyStackTraceProgram StackPrinter(argc, argv);
llvm::llvm_shutdown_obj Shutdown;
void *P = (void *)(intptr_t)getOutputFileName;
std::string SDKPath = llvm::sys::fs::getMainExecutable(argv[0], P);
SDKPath = llvm::sys::path::parent_path(SDKPath);
HideUnrelatedOptions(DsymCategory);
llvm::cl::ParseCommandLineOptions(
argc, argv,
"manipulate archived DWARF debug symbol files.\n\n"
"dsymutil links the DWARF debug information found in the object files\n"
"for the executable <input file> by using debug symbols information\n"
"contained in its symbol table.\n");
if (Help) {
PrintHelpMessage();
return 0;
}
if (Version) {
llvm::cl::PrintVersionMessage();
return 0;
}
auto OptionsOrErr = getOptions();
if (!OptionsOrErr) {
errs() << "error: " << toString(OptionsOrErr.takeError());
return 1;
}
llvm::InitializeAllTargetInfos();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllTargets();
llvm::InitializeAllAsmPrinters();
auto InputsOrErr = getInputs(OptionsOrErr->Update);
if (!InputsOrErr) {
errs() << "error: " << toString(InputsOrErr.takeError()) << '\n';
return 1;
}
if (!FlatOut && OutputFileOpt == "-") {
llvm::errs() << "error: cannot emit to standard output without --flat\n";
return 1;
}
if (InputsOrErr->size() > 1 && FlatOut && !OutputFileOpt.empty()) {
llvm::errs() << "error: cannot use -o with multiple inputs in flat mode\n";
return 1;
}
for (const auto &Arch : ArchFlags)
if (Arch != "*" && Arch != "all" &&
!llvm::object::MachOObjectFile::isValidArch(Arch)) {
llvm::errs() << "error: Unsupported cpu architecture: '" << Arch << "'\n";
return 1;
}
for (auto &InputFile : *InputsOrErr) {
// Dump the symbol table for each input file and requested arch
if (DumpStab) {
if (!dumpStab(InputFile, ArchFlags, OsoPrependPath))
return 1;
continue;
}
auto DebugMapPtrsOrErr = parseDebugMap(InputFile, ArchFlags, OsoPrependPath,
Verbose, InputIsYAMLDebugMap);
if (auto EC = DebugMapPtrsOrErr.getError()) {
llvm::errs() << "error: cannot parse the debug map for \"" << InputFile
<< "\": " << EC.message() << '\n';
return 1;
}
if (OptionsOrErr->Update) {
// The debug map should be empty. Add one object file corresponding to
// the input file.
for (auto &Map : *DebugMapPtrsOrErr)
Map->addDebugMapObject(InputFile,
llvm::sys::TimePoint<std::chrono::seconds>());
}
// Ensure that the debug map is not empty (anymore).
if (DebugMapPtrsOrErr->empty()) {
llvm::errs() << "error: no architecture to link\n";
return 1;
}
if (NumThreads == 0)
NumThreads = llvm::thread::hardware_concurrency();
if (DumpDebugMap || Verbose)
NumThreads = 1;
NumThreads = std::min<unsigned>(NumThreads, DebugMapPtrsOrErr->size());
llvm::ThreadPool Threads(NumThreads);
// If there is more than one link to execute, we need to generate
// temporary files.
bool NeedsTempFiles =
!DumpDebugMap && (OutputFileOpt != "-") &&
(DebugMapPtrsOrErr->size() != 1 || OptionsOrErr->Update);
llvm::SmallVector<MachOUtils::ArchAndFilename, 4> TempFiles;
TempFileVector TempFileStore;
std::atomic_char AllOK(1);
for (auto &Map : *DebugMapPtrsOrErr) {
if (Verbose || DumpDebugMap)
Map->print(llvm::outs());
if (DumpDebugMap)
continue;
if (Map->begin() == Map->end())
llvm::errs() << "warning: no debug symbols in executable (-arch "
<< MachOUtils::getArchName(Map->getTriple().getArchName())
<< ")\n";
// Using a std::shared_ptr rather than std::unique_ptr because move-only
// types don't work with std::bind in the ThreadPool implementation.
std::shared_ptr<raw_fd_ostream> OS;
std::string OutputFile = getOutputFileName(InputFile);
if (NeedsTempFiles) {
Expected<sys::fs::TempFile> T = createTempFile();
if (!T) {
errs() << toString(T.takeError());
return 1;
}
OS = std::make_shared<raw_fd_ostream>(T->FD, /*shouldClose*/ false);
OutputFile = T->TmpName;
TempFileStore.Files.push_back(std::move(*T));
TempFiles.emplace_back(Map->getTriple().getArchName().str(),
OutputFile);
} else {
std::error_code EC;
OS = std::make_shared<raw_fd_ostream>(NoOutput ? "-" : OutputFile, EC,
sys::fs::F_None);
if (EC) {
errs() << OutputFile << ": " << EC.message();
return 1;
}
}
auto LinkLambda = [&,
OutputFile](std::shared_ptr<raw_fd_ostream> Stream) {
AllOK.fetch_and(linkDwarf(*Stream, *Map, *OptionsOrErr));
Stream->flush();
if (Verify && !NoOutput)
AllOK.fetch_and(verify(OutputFile, Map->getTriple().getArchName()));
};
// FIXME: The DwarfLinker can have some very deep recursion that can max
// out the (significantly smaller) stack when using threads. We don't
// want this limitation when we only have a single thread.
if (NumThreads == 1)
LinkLambda(OS);
else
Threads.async(LinkLambda, OS);
}
Threads.wait();
if (!AllOK)
return 1;
if (NeedsTempFiles &&
!MachOUtils::generateUniversalBinary(
TempFiles, getOutputFileName(InputFile), *OptionsOrErr, SDKPath))
return 1;
}
return 0;
}
