Revert "[clang-repl] Support destructors of global objects."

This reverts commit 9de8b05bfe.

clang/lib/Interpreter/IncrementalExecutor.cpp

@@ -53,12 +53,6 @@ IncrementalExecutor::IncrementalExecutor(llvm::orc::ThreadSafeContext &TSC,
 
 IncrementalExecutor::~IncrementalExecutor() {}
 
-// Clean up the JIT instance.
-llvm::Error IncrementalExecutor::cleanUp() {
-  // This calls the global dtors of registered modules.
-  return Jit->deinitialize(Jit->getMainJITDylib());
-}
-
 llvm::Error IncrementalExecutor::addModule(PartialTranslationUnit &PTU) {
   llvm::orc::ResourceTrackerSP RT =
       Jit->getMainJITDylib().createResourceTracker();

clang/lib/Interpreter/IncrementalExecutor.h

@@ -51,7 +51,6 @@ public:
   llvm::Error addModule(PartialTranslationUnit &PTU);
   llvm::Error removeModule(PartialTranslationUnit &PTU);
   llvm::Error runCtors() const;
-  llvm::Error cleanUp();
   llvm::Expected<llvm::JITTargetAddress>
   getSymbolAddress(llvm::StringRef Name, SymbolNameKind NameKind) const;
   llvm::orc::LLJIT *getExecutionEngine() const { return Jit.get(); }

clang/lib/Interpreter/Interpreter.cpp

@@ -183,14 +183,7 @@ Interpreter::Interpreter(std::unique_ptr<CompilerInstance> CI,
                                                    *TSCtx->getContext(), Err);
 }
 
-Interpreter::~Interpreter() {
-  if (IncrExecutor) {
-    if (llvm::Error Err = IncrExecutor->cleanUp())
-      llvm::report_fatal_error(
-          llvm::Twine("Failed to clean up IncrementalExecutor: ") +
-          toString(std::move(Err)));
-  }
-}
+Interpreter::~Interpreter() {}
 
 llvm::Expected<std::unique_ptr<Interpreter>>
 Interpreter::create(std::unique_ptr<CompilerInstance> CI) {

clang/test/Interpreter/execute.cpp

@@ -1,4 +1,3 @@
-// clang-format off
 // RUN: clang-repl "int x = 10;" "int y=7; err;" "int y = 10;"
 // RUN: clang-repl "int i = 10;" 'extern "C" int printf(const char*,...);' \
 // RUN:            'auto r1 = printf("i = %d\n", i);' | FileCheck --check-prefix=CHECK-DRIVER %s
@@ -19,7 +18,4 @@ auto r2 = printf("S[f=%f, m=0x%llx]\n", s.f, reinterpret_cast<unsigned long long
 inline int foo() { return 42; }
 int r3 = foo();
 
-struct D { float f = 1.0; D *m = nullptr; D(){} ~D() { printf("D[f=%f, m=0x%llx]\n", f, reinterpret_cast<unsigned long long>(m)); }} d;
-// CHECK: D[f=1.000000, m=0x0]
-
 %quit

clang/tools/clang-repl/ClangRepl.cpp

@@ -70,8 +70,6 @@ int main(int argc, const char **argv) {
   ExitOnErr.setBanner("clang-repl: ");
   llvm::cl::ParseCommandLineOptions(argc, argv);
 
-  llvm::llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
   std::vector<const char *> ClangArgv(ClangArgs.size());
   std::transform(ClangArgs.begin(), ClangArgs.end(), ClangArgv.begin(),
                  [](const std::string &s) -> const char * { return s.data(); });
@@ -129,5 +127,7 @@ int main(int argc, const char **argv) {
   // later errors use the default handling behavior instead.
   llvm::remove_fatal_error_handler();
 
+  llvm::llvm_shutdown();
+
   return checkDiagErrors(Interp->getCompilerInstance());
 }

clang/unittests/Interpreter/ExceptionTests/InterpreterExceptionTest.cpp

@@ -48,7 +48,6 @@ createInterpreter(const Args &ExtraArgs = {},
 TEST(InterpreterTest, CatchException) {
   llvm::InitializeNativeTarget();
   llvm::InitializeNativeTargetAsmPrinter();
-  llvm::llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
 
   {
     auto J = llvm::orc::LLJITBuilder().create();
@@ -132,6 +131,8 @@ extern "C" int throw_exception() {
   EXPECT_ANY_THROW(ThrowException());
   std::string CapturedStdOut = testing::internal::GetCapturedStdout();
   EXPECT_EQ(CapturedStdOut, "Caught: 'To be caught in JIT'\n");
+
+  llvm::llvm_shutdown();
 }
 
 } // end anonymous namespace