Add support for SYCL with adaptiveCpp

AdaptiveCpp requires NullDerefProtectionTransformer to be turned
off to function properly

Author: devajithvs

lib/Interpreter/BackendPasses.cpp

@@ -36,6 +36,10 @@
 
 #include <optional>
 
+#ifdef CLING_WITH_ADAPTIVECPP
+llvm::PassPluginLibraryInfo getAdaptiveCppPluginInfo();
+#endif
+
 using namespace cling;
 using namespace clang;
 using namespace llvm;
@@ -511,6 +515,10 @@ void BackendPasses::CreatePasses(int OptLevel, llvm::ModulePassManager& MPM,
   std::optional<PGOOptions> PGOOpt;
   PassBuilder PB(&m_TM, PTO, PGOOpt, &PIC);
 
+#ifdef CLING_WITH_ADAPTIVECPP
+  getAdaptiveCppPluginInfo().RegisterPassBuilderCallbacks(PB);
+#endif
+
   // Attempt to load pass plugins and register their callbacks with PB.
   for (auto& PluginFN : m_CGOpts.PassPlugins) {
     auto PassPlugin = PassPlugin::Load(PluginFN);

lib/Interpreter/CIFactory.cpp

@@ -1391,6 +1391,11 @@ namespace {
       argvCompile.push_back("-fno-omit-frame-pointer");
     }
 
+#ifdef CLING_WITH_ADAPTIVECPP
+    argvCompile.push_back("-D__ACPP_ENABLE_LLVM_SSCP_TARGET__");
+    argvCompile.push_back("-Xclang");
+    argvCompile.push_back("-disable-O0-optnone");
+#endif
     // Add host specific includes, -resource-dir if necessary, and -isysroot
     std::string ClingBin = GetExecutablePath(argv[0]);
     AddHostArguments(ClingBin, argvCompile, LLVMDir, COpts);

lib/Interpreter/CMakeLists.txt

@@ -23,6 +23,18 @@ set(LIBS
   clangLex
 )
 
+if(experimental_adaptivecpp)
+  list(APPEND LIBS AdaptiveCpp acpp-rt)
+
+  set(ACPP_EXPORTS acpp-rt acpp-common)
+
+  foreach(target IN LISTS ACPP_EXPORTS)
+    install(TARGETS ${target} EXPORT ClingTargets)
+  endforeach()
+
+  set_property(GLOBAL APPEND PROPERTY CLING_EXPORTS ${ACPP_EXPORTS})
+endif()
+
 set(LLVM_LINK_COMPONENTS
   analysis
   core

lib/Interpreter/IncrementalParser.cpp

@@ -1033,9 +1033,11 @@ namespace cling {
       // Don't protect against crashes if we cannot run anything.
       // cling might also be in a PCH-generation mode; don't inject our Sema
       // pointer into the PCH.
+#ifndef CLING_WITH_ADAPTIVECPP
       if (!isCUDADevice && m_Interpreter->getOptions().PtrCheck)
         ASTTransformers.emplace_back(
             new NullDerefProtectionTransformer(m_Interpreter));
+#endif
       if (isCUDADevice)
         ASTTransformers.emplace_back(
             new DeviceKernelInliner(TheSema));