search for: functionimportpass

...t decisions are made by traversing the combined index. The actual importing happens in the FunctionImporter class, which is passed the set of values to import. The importer class is either invoked directly on each backend compile, which happens in the threads launched in the libLTO path, or via the FunctionImportPass. The pass is currently used by the opt tool, by the gold-plugin when it launches ThinLTO threads for single machine parallelism, and via clang when invoked with a bitcode input file and the -fthinlto-index= option. The latter was added in r254927 to enable launching a ThinLTO backend compile in a...