[clang] [llvm] [LLVMOffload] Add more error types + GetLastError/PeekAtLastError (PR #213389)

[Kevin Sala Penades via llvm-commits]

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@@ -36,12 +37,12 @@ using ThreadState = llvm::offload::ThreadStateTy;
 Error_t Malloc(void **DevPtr, size_t Size) {
   ol_device_handle_t Device = ThreadState::getDefaultDevice();
   ol_result_t Result = olMemAlloc(Device, OL_ALLOC_TYPE_DEVICE, Size, DevPtr);
-  return convertResult(Result);
+  return SetLastError(convertResult(Result));
 }
 
 Error_t Free(void *DevPtr) {
   ol_result_t Result = olMemFree(DevPtr);
-  return convertResult(Result);
+  return SetLastError(convertResult(Result));
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kevinsala wrote:

I see many cases like `SetLastError(convertResult(Result))`. Would it be worth adding an overloaded function that accepts the ol_result_t and converts it directly?

https://github.com/llvm/llvm-project/pull/213389