Merge pull request #20571 from 0xdaryl/frontend

OpenJ9 JIT changes to support OMR FrontEnd base class refactoring

runtime/compiler/CMakeLists.txt

@@ -165,9 +165,9 @@ endif()
 set(REMOVED_OMR_FILES
 	${omr_SOURCE_DIR}/compiler/codegen/CCData.cpp
 	${omr_SOURCE_DIR}/compiler/control/CompileMethod.cpp
-	${omr_SOURCE_DIR}/compiler/env/FEBase.cpp
 	${omr_SOURCE_DIR}/compiler/optimizer/FEInliner.cpp
-	${omr_SOURCE_DIR}/compiler/env/JitConfig.cpp
+	${omr_SOURCE_DIR}/compiler/env/OMRJitConfig.cpp
+	${omr_SOURCE_DIR}/compiler/env/OMRFrontEnd.cpp
 	${omr_SOURCE_DIR}/compiler/env/PersistentAllocator.cpp
 	${omr_SOURCE_DIR}/compiler/env/SystemSegmentProvider.cpp
 	${omr_SOURCE_DIR}/compiler/infra/OMRMonitor.cpp

runtime/compiler/x/env/J9CPU.cpp

@@ -25,18 +25,13 @@
 #include "env/CPU.hpp"
 #include "env/VMJ9.h"
 #include "x/runtime/X86Runtime.hpp"
-#include "env/JitConfig.hpp"
 #include "codegen/CodeGenerator.hpp"
 #if defined(J9VM_OPT_JITSERVER)
 #include "control/CompilationRuntime.hpp"
 #include "control/CompilationThread.hpp"
 #include "runtime/JITClientSession.hpp"
 #endif /* defined(J9VM_OPT_JITSERVER) */
 
-// This is a workaround to avoid J9_PROJECT_SPECIFIC macros in x/env/OMRCPU.cpp
-// Without this definition, we get an undefined symbol of JITConfig::instance() at runtime
-TR::JitConfig * TR::JitConfig::instance() { return NULL; }
-
 TR::CPU
 J9::X86::CPU::detectRelocatable(OMRPortLibrary * const omrPortLib)
    {