1 files changed, 44 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectTransformLayer.cpp b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectTransformLayer.cpp
new file mode 100644
index 000000000000..207a31ec1940
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/ExecutionEngine/Orc/ObjectTransformLayer.cpp
@@ -0,0 +1,44 @@
+//===---------- ObjectTransformLayer.cpp - Object Transform Layer ---------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ExecutionEngine/Orc/ObjectTransformLayer.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+namespace llvm {
+namespace orc {
+
+char ObjectTransformLayer::ID;
+
+using BaseT = RTTIExtends<ObjectTransformLayer, ObjectLayer>;
+
+ObjectTransformLayer::ObjectTransformLayer(ExecutionSession &ES,
+                                           ObjectLayer &BaseLayer,
+                                           TransformFunction Transform)
+    : BaseT(ES), BaseLayer(BaseLayer), Transform(std::move(Transform)) {}
+
+void ObjectTransformLayer::emit(
+    std::unique_ptr<MaterializationResponsibility> R,
+    std::unique_ptr<MemoryBuffer> O) {
+  assert(O && "Module must not be null");
+
+  // If there is a transform set then apply it.
+  if (Transform) {
+    if (auto TransformedObj = Transform(std::move(O)))
+      O = std::move(*TransformedObj);
+    else {
+      R->failMaterialization();
+      getExecutionSession().reportError(TransformedObj.takeError());
+      return;
+    }
+  }
+
+  BaseLayer.emit(std::move(R), std::move(O));
+}
+
+} // End namespace orc.
+} // End namespace llvm.