[llvm] WIP: [Offload] Implement olMemFill (PR #154102)

[Callum Fare via llvm-commits]

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@@ -302,6 +302,12 @@ struct GenELF64DeviceTy : public GenericDeviceTy {
     return Plugin::success();
   }
 
+  Error dataFillImpl(void *TgtPtr, const void *PatternPtr, int64_t PatternSize,
+                     int64_t Size,
+                     AsyncInfoWrapperTy &AsyncInfoWrapper) override {
+    return Plugin::error(ErrorCode::UNSUPPORTED, "dataFillImpl not supported");
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callumfare wrote:

I've added host support now

https://github.com/llvm/llvm-project/pull/154102