本文整理汇总了C++中FileNode::createLinkerInput方法的典型用法代码示例。如果您正苦于以下问题：C++ FileNode::createLinkerInput方法的具体用法？C++ FileNode::createLinkerInput怎么用？C++ FileNode::createLinkerInput使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileNode的用法示例。
在下文中一共展示了FileNode::createLinkerInput方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: link
/// This is where the link is actually performed.
bool Driver::link(const LinkingContext &context, raw_ostream &diagnostics) {
// Honor -mllvm
if (!context.llvmOptions().empty()) {
unsigned numArgs = context.llvmOptions().size();
const char **args = new const char *[numArgs + 2];
args[0] = "lld (LLVM option parsing)";
for (unsigned i = 0; i != numArgs; ++i)
args[i + 1] = context.llvmOptions()[i];
args[numArgs + 1] = 0;
llvm::cl::ParseCommandLineOptions(numArgs + 1, args);
}
InputGraph &inputGraph = context.inputGraph();
if (!inputGraph.numFiles())
return false;
// Read inputs
ScopedTask readTask(getDefaultDomain(), "Read Args");
std::vector<std::vector<std::unique_ptr<File> > > files(
inputGraph.numFiles());
size_t index = 0;
std::atomic<bool> fail(false);
TaskGroup tg;
std::vector<std::unique_ptr<LinkerInput> > linkerInputs;
for (auto &ie : inputGraph.inputElements()) {
if (ie->kind() == InputElement::Kind::File) {
FileNode *fileNode = (llvm::dyn_cast<FileNode>)(ie.get());
auto linkerInput = fileNode->createLinkerInput(context);
if (!linkerInput) {
llvm::outs() << fileNode->errStr(error_code(linkerInput)) << "\n";
return false;
}
linkerInputs.push_back(std::move(*linkerInput));
}
else {
llvm_unreachable("Not handling other types of InputElements");
}
}
for (const auto &input : linkerInputs) {
if (context.logInputFiles())
llvm::outs() << input->getUserPath() << "\n";
tg.spawn([ &, index]{
if (error_code ec = context.parseFile(*input, files[index])) {
diagnostics << "Failed to read file: " << input->getUserPath() << ": "
<< ec.message() << "\n";
fail = true;
return;
}
});
++index;
}
tg.sync();
readTask.end();
if (fail)
return false;
InputFiles inputs;
for (auto &f : inputGraph.internalFiles())
inputs.appendFile(*f.get());
for (auto &f : files)
inputs.appendFiles(f);
// Give target a chance to add files.
context.addImplicitFiles(inputs);
// assign an ordinal to each file so sort() can preserve command line order
inputs.assignFileOrdinals();
// Do core linking.
ScopedTask resolveTask(getDefaultDomain(), "Resolve");
Resolver resolver(context, inputs);
if (resolver.resolve()) {
if (!context.allowRemainingUndefines())
return false;
}
MutableFile &merged = resolver.resultFile();
resolveTask.end();
// Run passes on linked atoms.
ScopedTask passTask(getDefaultDomain(), "Passes");
PassManager pm;
context.addPasses(pm);
pm.runOnFile(merged);
passTask.end();
// Give linked atoms to Writer to generate output file.
ScopedTask writeTask(getDefaultDomain(), "Write");
if (error_code ec = context.writeFile(merged)) {
diagnostics << "Failed to write file '" << context.outputPath()
<< "': " << ec.message() << "\n";
return false;
}
return true;
}