[clang] [clang-repl] Initialized HIP environment for clang-repl (PR #217582)

[Yaxun Liu via cfe-commits]

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@@ -303,19 +303,16 @@ IncrementalCompilerBuilder::CreateCpp() {
 }
 
 llvm::Expected<std::unique_ptr<CompilerInstance>>
-IncrementalCompilerBuilder::createCuda(bool device) {
+IncrementalCompilerBuilder::createOffload(bool HipEnabled, bool device) {
   std::vector<const char *> Argv;
   Argv.reserve(5 + 4 + UserArgs.size());
+  Argv.push_back(HipEnabled ? "-xhip" : "-xcuda");
+  Argv.push_back(device ? "--cuda-device-only" : "--cuda-host-only");
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yxsamliu wrote:

The host-only and device-only driver calls have different arguments, so they may generate different CUIDs. HIP uses the CUID in some host and device symbol names, which must match. Could we generate one session CUID and pass the same `-cuid=` value to both compiler instances?

https://github.com/llvm/llvm-project/pull/217582