本文整理汇总了C++中PassManager::runOnFile方法的典型用法代码示例。如果您正苦于以下问题：C++ PassManager::runOnFile方法的具体用法？C++ PassManager::runOnFile怎么用？C++ PassManager::runOnFile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PassManager的用法示例。
在下文中一共展示了PassManager::runOnFile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(LinkingContext &ctx, raw_ostream &diagnostics) {
if (ctx.getNodes().empty())
return false;
for (std::unique_ptr<Node> &ie : ctx.getNodes())
if (FileNode *node = dyn_cast<FileNode>(ie.get()))
ctx.getTaskGroup().spawn([node] { node->getFile()->parse(); });
std::vector<std::unique_ptr<File>> internalFiles;
ctx.createInternalFiles(internalFiles);
for (auto i = internalFiles.rbegin(), e = internalFiles.rend(); i != e; ++i) {
auto &members = ctx.getNodes();
members.insert(members.begin(), llvm::make_unique<FileNode>(std::move(*i)));
}
// Give target a chance to add files.
std::vector<std::unique_ptr<File>> implicitFiles;
ctx.createImplicitFiles(implicitFiles);
for (auto i = implicitFiles.rbegin(), e = implicitFiles.rend(); i != e; ++i) {
auto &members = ctx.getNodes();
members.insert(members.begin(), llvm::make_unique<FileNode>(std::move(*i)));
}
// Give target a chance to postprocess input files.
// Mach-O uses this chance to move all object files before library files.
// ELF adds specific undefined symbols resolver.
ctx.finalizeInputFiles();
// Do core linking.
ScopedTask resolveTask(getDefaultDomain(), "Resolve");
Resolver resolver(ctx);
if (!resolver.resolve()) {
ctx.getTaskGroup().sync();
return false;
}
std::unique_ptr<SimpleFile> merged = resolver.resultFile();
resolveTask.end();
// Run passes on linked atoms.
ScopedTask passTask(getDefaultDomain(), "Passes");
PassManager pm;
ctx.addPasses(pm);
if (std::error_code ec = pm.runOnFile(*merged)) {
diagnostics << "Failed to write file '" << ctx.outputPath()
<< "': " << ec.message() << "\n";
return false;
}
passTask.end();
// Give linked atoms to Writer to generate output file.
ScopedTask writeTask(getDefaultDomain(), "Write");
if (std::error_code ec = ctx.writeFile(*merged)) {
diagnostics << "Failed to write file '" << ctx.outputPath()
<< "': " << ec.message() << "\n";
return false;
}
return true;
}