[ORC][JITLink] Name in-memory compiled objects after their source modules.

In-memory compiled object buffer identifiers will now be derived from the
identifiers of their source IR modules. This makes it easier to connect
in-memory objects with their source modules in debugging output.

llvm-svn: 359613

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h b/llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h
index 15a65667813..28a825b39c7 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h
@@ -67,8 +67,9 @@ public:
       PM.run(M);
     }
 
-    auto ObjBuffer =
-        llvm::make_unique<SmallVectorMemoryBuffer>(std::move(ObjBufferSV));
+    auto ObjBuffer = llvm::make_unique<SmallVectorMemoryBuffer>(
+        std::move(ObjBufferSV),
+        "<in memory object compiled from " + M.getModuleIdentifier() + ">");
     auto Obj =
         object::ObjectFile::createObjectFile(ObjBuffer->getMemBufferRef());