[llvm] [Offload] Introduce ATTACH map-type support for pointer attachment. (PR #149036)

[Abhinav Gaba via llvm-commits]

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@@ -2231,3 +2231,15 @@ int32_t GenericPluginTy::get_function(__tgt_device_binary Binary,
   *KernelPtr = &Kernel;
   return OFFLOAD_SUCCESS;
 }
+
+int32_t GenericPluginTy::data_fence(int32_t DeviceId,
+                                    __tgt_async_info *AsyncInfo) {
+  auto Err = getDevice(DeviceId).dataFence(AsyncInfo);
+  if (Err) {
+    REPORT("Failure to place data fence on device %d: %s\n", DeviceId,
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abhinavgaba wrote:

This currently aligns with the casing of messages like line 2226, 1981 etc. Is lower-case the new style going forward? @adurang, FYI.

https://github.com/llvm/llvm-project/pull/149036