[llvm] [ELF] Add CPU name detection for CUDA architectures (PR #75964)

[Justin Lebar via llvm-commits]

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@@ -517,6 +519,73 @@ StringRef ELFObjectFileBase::getAMDGPUCPUName() const {
   }
 }
 
+StringRef ELFObjectFileBase::getNVPTXCPUName() const {
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jlebar wrote:

getNVPTXGPUName() or getNVPTXArchName()?

https://github.com/llvm/llvm-project/pull/75964