William G Hatch 95eb3d45f6 [NVPTX] add support for encoding PTX registers for DWARF (#109495) ...

This patch adds support for encoding PTX registers for DWARF, using the
encoding supported by nvcc and cuda-gcc.

There are some other features still needed for proper register debugging
that this patch does not address, such as DW_AT_address_class.

This PR is stacked on: https://github.com/llvm/llvm-project/pull/109494

2024-09-26 12:32:43 -06:00

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