llvm

4c7cdd42 - [NFC][CUDA] Fix target-feature and __PTX_VERSION__ w/ 9475f6af8188 (#34676)

[NFC][CUDA] Fix target-feature and __PTX_VERSION__ w/ 9475f6af8188 (#34676) PTXVersion is 0 by default, meaning "use the minimum for the SM target". By default No PTX feature specified; let the backend choose based on the target SM