[JITLink] Remove some std::move(MemoryBufferRef) below createLinkGraphFromObject() (NFC)

Author: weliveindetail

llvm/lib/ExecutionEngine/JITLink/ELF.cpp

@@ -65,7 +65,7 @@ createLinkGraphFromELFObject(MemoryBufferRef ObjectBuffer) {
 
   switch (*TargetMachineArch) {
   case ELF::EM_X86_64:
-    return createLinkGraphFromELFObject_x86_64(std::move(ObjectBuffer));
+    return createLinkGraphFromELFObject_x86_64(ObjectBuffer);
   default:
     return make_error<JITLinkError>(
         "Unsupported target machine architecture in ELF object " +

llvm/lib/ExecutionEngine/JITLink/JITLink.cpp

@@ -327,9 +327,9 @@ createLinkGraphFromObject(MemoryBufferRef ObjectBuffer) {
   auto Magic = identify_magic(ObjectBuffer.getBuffer());
   switch (Magic) {
   case file_magic::macho_object:
-    return createLinkGraphFromMachOObject(std::move(ObjectBuffer));
+    return createLinkGraphFromMachOObject(ObjectBuffer);
   case file_magic::elf_relocatable:
-    return createLinkGraphFromELFObject(std::move(ObjectBuffer));
+    return createLinkGraphFromELFObject(ObjectBuffer);
   default:
     return make_error<JITLinkError>("Unsupported file format");
   };

llvm/lib/ExecutionEngine/JITLink/MachO.cpp

@@ -64,9 +64,9 @@ createLinkGraphFromMachOObject(MemoryBufferRef ObjectBuffer) {
 
     switch (CPUType) {
     case MachO::CPU_TYPE_ARM64:
-      return createLinkGraphFromMachOObject_arm64(std::move(ObjectBuffer));
+      return createLinkGraphFromMachOObject_arm64(ObjectBuffer);
     case MachO::CPU_TYPE_X86_64:
-      return createLinkGraphFromMachOObject_x86_64(std::move(ObjectBuffer));
+      return createLinkGraphFromMachOObject_x86_64(ObjectBuffer);
     }
     return make_error<JITLinkError>("MachO-64 CPU type not valid");
   } else

llvm/lib/ExecutionEngine/Orc/ObjectLinkingLayer.cpp

@@ -486,7 +486,7 @@ void ObjectLinkingLayer::emit(std::unique_ptr<MaterializationResponsibility> R,
   auto ObjBuffer = O->getMemBufferRef();
   auto Ctx = std::make_unique<ObjectLinkingLayerJITLinkContext>(
       *this, std::move(R), std::move(O));
-  if (auto G = createLinkGraphFromObject(std::move(ObjBuffer)))
+  if (auto G = createLinkGraphFromObject(ObjBuffer))
     link(std::move(*G), std::move(Ctx));
   else
     Ctx->notifyFailed(G.takeError());