[clang] [clang-repl] Fix destructor for interpreter for the cuda negation case (PR #138091)

[Anutosh Bhat via cfe-commits]

https://github.com/anutosh491 updated https://github.com/llvm/llvm-project/pull/138091

>From aba1800393455fd99feeb9017a4ead4fd5811112 Mon Sep 17 00:00:00 2001
From: anutosh491 <andersonbhat491 at gmail.com>
Date: Thu, 1 May 2025 12:16:06 +0530
Subject: [PATCH] Fix destructor for interpreter for the cuda negation case

---
 clang/include/clang/Interpreter/Interpreter.h | 3 +++
 clang/lib/Interpreter/DeviceOffload.cpp       | 8 +++-----
 clang/lib/Interpreter/DeviceOffload.h         | 4 +---
 clang/lib/Interpreter/Interpreter.cpp         | 9 ++++++++-
 4 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/clang/include/clang/Interpreter/Interpreter.h b/clang/include/clang/Interpreter/Interpreter.h
index 56213f88b9e30..f8663e3193a18 100644
--- a/clang/include/clang/Interpreter/Interpreter.h
+++ b/clang/include/clang/Interpreter/Interpreter.h
@@ -116,6 +116,9 @@ class Interpreter {
   /// Compiler instance performing the incremental compilation.
   std::unique_ptr<CompilerInstance> CI;
 
+  /// An optional compiler instance for CUDA offloading
+  std::unique_ptr<CompilerInstance> DeviceCI;
+
 protected:
   // Derived classes can use an extended interface of the Interpreter.
   Interpreter(std::unique_ptr<CompilerInstance> Instance, llvm::Error &Err,
diff --git a/clang/lib/Interpreter/DeviceOffload.cpp b/clang/lib/Interpreter/DeviceOffload.cpp
index 7d0125403ea52..05625ddedb72f 100644
--- a/clang/lib/Interpreter/DeviceOffload.cpp
+++ b/clang/lib/Interpreter/DeviceOffload.cpp
@@ -25,13 +25,12 @@
 namespace clang {
 
 IncrementalCUDADeviceParser::IncrementalCUDADeviceParser(
-    std::unique_ptr<CompilerInstance> DeviceInstance,
-    CompilerInstance &HostInstance,
+    CompilerInstance &DeviceInstance, CompilerInstance &HostInstance,
     llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> FS,
     llvm::Error &Err, const std::list<PartialTranslationUnit> &PTUs)
-    : IncrementalParser(*DeviceInstance, Err), PTUs(PTUs), VFS(FS),
+    : IncrementalParser(DeviceInstance, Err), PTUs(PTUs), VFS(FS),
       CodeGenOpts(HostInstance.getCodeGenOpts()),
-      TargetOpts(DeviceInstance->getTargetOpts()) {
+      TargetOpts(DeviceInstance.getTargetOpts()) {
   if (Err)
     return;
   StringRef Arch = TargetOpts.CPU;
@@ -41,7 +40,6 @@ IncrementalCUDADeviceParser::IncrementalCUDADeviceParser(
                                                llvm::inconvertibleErrorCode()));
     return;
   }
-  DeviceCI = std::move(DeviceInstance);
 }
 
 llvm::Expected<llvm::StringRef> IncrementalCUDADeviceParser::GeneratePTX() {
diff --git a/clang/lib/Interpreter/DeviceOffload.h b/clang/lib/Interpreter/DeviceOffload.h
index 43645033c4840..0b903e31c6799 100644
--- a/clang/lib/Interpreter/DeviceOffload.h
+++ b/clang/lib/Interpreter/DeviceOffload.h
@@ -28,8 +28,7 @@ class IncrementalCUDADeviceParser : public IncrementalParser {
 
 public:
   IncrementalCUDADeviceParser(
-      std::unique_ptr<CompilerInstance> DeviceInstance,
-      CompilerInstance &HostInstance,
+      CompilerInstance &DeviceInstance, CompilerInstance &HostInstance,
       llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> VFS,
       llvm::Error &Err, const std::list<PartialTranslationUnit> &PTUs);
 
@@ -42,7 +41,6 @@ class IncrementalCUDADeviceParser : public IncrementalParser {
   ~IncrementalCUDADeviceParser();
 
 protected:
-  std::unique_ptr<CompilerInstance> DeviceCI;
   int SMVersion;
   llvm::SmallString<1024> PTXCode;
   llvm::SmallVector<char, 1024> FatbinContent;
diff --git a/clang/lib/Interpreter/Interpreter.cpp b/clang/lib/Interpreter/Interpreter.cpp
index 80487eb4ef74a..c04b2099a4b9a 100644
--- a/clang/lib/Interpreter/Interpreter.cpp
+++ b/clang/lib/Interpreter/Interpreter.cpp
@@ -416,6 +416,10 @@ Interpreter::Interpreter(std::unique_ptr<CompilerInstance> Instance,
 Interpreter::~Interpreter() {
   IncrParser.reset();
   Act->FinalizeAction();
+  if (DeviceParser)
+    DeviceParser.reset();
+  if (DeviceAct)
+    DeviceAct->FinalizeAction();
   if (IncrExecutor) {
     if (llvm::Error Err = IncrExecutor->cleanUp())
       llvm::report_fatal_error(
@@ -501,8 +505,11 @@ Interpreter::createWithCUDA(std::unique_ptr<CompilerInstance> CI,
 
   DCI->ExecuteAction(*Interp->DeviceAct);
 
+  Interp->DeviceCI = std::move(DCI);
+
   auto DeviceParser = std::make_unique<IncrementalCUDADeviceParser>(
-      std::move(DCI), *Interp->getCompilerInstance(), IMVFS, Err, Interp->PTUs);
+      *Interp->DeviceCI, *Interp->getCompilerInstance(), IMVFS, Err,
+      Interp->PTUs);
 
   if (Err)
     return std::move(Err);