feedb4ad7d
Recently the `nvptx-arch` tool was added to address the lack of a similar tool for detecting locally installed NVIDIA GPUs. This patch adds similar functionality for the already existing `amdgpu-arch` tool in libc. These will be used to run tests on the user's system in the future. On a system with both GPUs installed we will just go with the first GPU detected. In the future we may want to configure the tests to run on both of them. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D142776
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