[clang] [llvm] [CUDA] Add a pseudo GPU sm_next which allows overriding for SM/PTX version. (PR #100247)

[Joseph Huber via cfe-commits]

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@@ -52,6 +53,42 @@ const char *CudaVersionToString(CudaVersion V);
 // Input is "Major.Minor"
 CudaVersion CudaStringToVersion(const llvm::Twine &S);
 
+enum class PTXVersion {
+  PTX_UNKNOWN = 0,
+  PTX_32 = 32,
+  PTX_40 = 40,
+  PTX_41,
+  PTX_42,
+  PTX_43,
+  PTX_50 = 50,
+  PTX_60 = 60,
+  PTX_61,
+  PTX_62,
+  PTX_63,
+  PTX_64,
+  PTX_65,
+  PTX_70 = 70,
+  PTX_71,
+  PTX_72,
+  PTX_73,
+  PTX_74,
+  PTX_75,
+  PTX_76,
+  PTX_77,
+  PTX_78,
+  PTX_80 = 80,
+  PTX_81,
+  PTX_82,
+  PTX_83,
+  PTX_84,
+  PTX_85,
+  PTX_LAST = PTX_85,
+  PTX_custom = 9999, // placeholder for an unknown future version.
----------------
jhuber6 wrote:

Shouldn't we use `UINT32_MAX` or something?

https://github.com/llvm/llvm-project/pull/100247
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