[llvm] [OFFLOAD] Add support for host offloading device (PR #171010)

[Alex Duran via llvm-commits]

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@@ -349,7 +350,7 @@ Error olGetPlatformInfoImplDetail(ol_platform_handle_t Platform,
                                   ol_platform_info_t PropName, size_t PropSize,
                                   void *PropValue, size_t *PropSizeRet) {
   InfoWriter Info(PropSize, PropValue, PropSizeRet);
-  bool IsHost = Platform->BackendType == OL_PLATFORM_BACKEND_HOST;
+  bool IsHost = Platform->Plugin == nullptr;
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adurang wrote:

I have to agree with this... what does IsHost really mean?

https://github.com/llvm/llvm-project/pull/171010