[ORC] Add convenience methods for creating DynamicLibraryFallbackGenerators for
libraries on disk, and for the current process.
Avoids more boilerplate during JIT construction.
llvm-svn: 343430
diff --git a/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp b/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
index e9e2745..29c3f4e 100644
--- a/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
@@ -174,6 +174,15 @@
: Dylib(std::move(Dylib)), Allow(std::move(Allow)),
GlobalPrefix(DL.getGlobalPrefix()) {}
+Expected<DynamicLibraryFallbackGenerator> DynamicLibraryFallbackGenerator::Load(
+ const char *FileName, const DataLayout &DL, SymbolPredicate Allow) {
+ std::string ErrMsg;
+ auto Lib = sys::DynamicLibrary::getPermanentLibrary(FileName, &ErrMsg);
+ if (!Lib.isValid())
+ return make_error<StringError>(std::move(ErrMsg), inconvertibleErrorCode());
+ return DynamicLibraryFallbackGenerator(std::move(Lib), DL, std::move(Allow));
+}
+
SymbolNameSet DynamicLibraryFallbackGenerator::
operator()(JITDylib &JD, const SymbolNameSet &Names) {
orc::SymbolNameSet Added;