[clang] [llvm] [NVPTX] Add support for PTX 8.6 and CUDA 12.6 (12.8) (PR #123398)

[Durgadoss R via llvm-commits]

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@@ -682,6 +688,9 @@ void NVPTX::getNVPTXTargetFeatures(const Driver &D, const llvm::Triple &Triple,
   case CudaVersion::CUDA_##CUDA_VER:                                           \
     PtxFeature = "+ptx" #PTX_VER;                                              \
     break;
+    CASE_CUDA_VERSION(129, 86);
+    CASE_CUDA_VERSION(128, 86);
+    CASE_CUDA_VERSION(127, 85);
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durga4github wrote:

On rechecking this, we have 12.7 mapping to PTX 86 (and 12.8 to PTX 87).
Could you please check this once?

https://github.com/llvm/llvm-project/pull/123398