Revert more unwanted cmake changes

cpp/cmake_modules/FindLLVM.cmake

@@ -78,7 +78,7 @@ else()
   endif()
 endif()
 
-add_library(LLVM::LLVM_INTERFACE IMPORTED INTERFACE)
+add_library(LLVM::LLVM_INTERFACE INTERFACE IMPORTED)
 
 set_target_properties(LLVM::LLVM_INTERFACE
                       PROPERTIES INTERFACE_INCLUDE_DIRECTORIES

cpp/src/gandiva/precompiled/CMakeLists.txt

@@ -104,7 +104,7 @@ function(add_precompiled_unit_test REL_TEST_NAME)
 
   set(TEST_NAME "gandiva-precompiled-${TEST_NAME}")
 
-  add_executable(${TEST_NAME} ${ARGN} ${REL_TEST_NAME})
+  add_executable(${TEST_NAME} ${REL_TEST_NAME} ${ARGN})
   target_include_directories(${TEST_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/src)
   target_link_libraries(${TEST_NAME} PRIVATE ${ARROW_TEST_LINK_LIBS} RE2::re2)
   target_compile_definitions(${TEST_NAME}