[llvm] [Offload][AMDGPU] accept generic target (PR #118919)

[Shilei Tian via llvm-commits]

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@@ -190,8 +190,9 @@ Error asyncMemCopy(bool UseMultipleSdmaEngines, void *Dst, hsa_agent_t DstAgent,
 #endif
 }
 
-Expected<std::string> getTargetTripleAndFeatures(hsa_agent_t Agent) {
-  std::string Target;
+Expected<StringRef>
+getTargetTripleAndFeatures(hsa_agent_t Agent, SmallVector<StringRef> &Targets) {
+  StringRef SpecificTarget;
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shiltian wrote:

I'm confused here. Why do we need to care about a "specific" target vs. (potentially) non-specific ones stored in `Targets`, instead of just having them all in `Targets` and then just iterate through it?

https://github.com/llvm/llvm-project/pull/118919