[ORC] Add an addObjectFile method to LLJIT.

The addObjectFile method adds the given object file to the JIT session, making
its code available for execution.

Support for the -extra-object flag is added to lli when operating in
-jit-kind=orc-lazy mode to support testing of this feature.

llvm-svn: 340870

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp b/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
index 12ec65a2050..f9cc763f802 100644
--- a/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
@@ -38,6 +38,13 @@ Error LLJIT::addIRModule(JITDylib &JD, std::unique_ptr<Module> M) {
   return CompileLayer.add(JD, K, std::move(M));
 }
 
+Error LLJIT::addObjectFile(JITDylib &JD, std::unique_ptr<MemoryBuffer> Obj) {
+  assert(Obj && "Can not add null object");
+
+  auto K = ES->allocateVModule();
+  return ObjLinkingLayer.add(JD, K, std::move(Obj));
+}
+
 Expected<JITEvaluatedSymbol> LLJIT::lookupLinkerMangled(JITDylib &JD,
                                                         StringRef Name) {
   return llvm::orc::lookup({&JD}, ES->getSymbolStringPool().intern(Name));