Fixed -DENABLE_JIT_DEBUG=on mode

CMakeLists.txt

@@ -124,6 +124,11 @@ if(BUILD_SHARED_LIBS)
   set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON)
 endif()
 
+option(ENABLE_JIT_DEBUG "Enable debugging symbols for the JIT" OFF)
+if (ENABLE_JIT_DEBUG)
+  add_definitions("-DWITH_JIT_DEBUG")
+endif()
+
 # Arrow
 find_package(Arrow REQUIRED)
 add_definitions("-DARROW_NO_DEPRECATED_API")
@@ -454,4 +459,3 @@ option(ENABLE_BENCHMARKS "Build benchmarks" ON)
 if (ENABLE_TESTS AND ENABLE_BENCHMARKS)
   add_subdirectory(omniscidb/Benchmarks/taxi)
 endif()
-

omniscidb/QueryEngine/CMakeLists.txt

@@ -180,7 +180,7 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 
 if (ENABLE_JIT_DEBUG AND NOT ENABLE_CUDA)
-    set(RT_OPT_FLAGS -O0 -g)
+    set(RT_OPT_FLAGS -O0 -g -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer)
 else ()
     set(RT_OPT_FLAGS -O3)
 endif ()

omniscidb/QueryEngine/Compiler/HelperFunctions.cpp

@@ -131,6 +131,8 @@ void optimize_ir(llvm::Function* query_func,
 
   pass_manager.run(*llvm_module);
 
+#if defined(HAVE_CUDA) || defined(HAVE_L0) || !defined(WITH_JIT_DEBUG)
   eliminate_dead_self_recursive_funcs(*llvm_module, live_funcs);
+#endif
 }
 }  // namespace compiler