Alex MacLean 5e3ae4c4af [NVPTX] improve Boolean ISel (#80166) ...

Add TableGen patterns to convert more instructions to boolean
expressions:

- **mul -> and/or**: i1 multiply instructions currently cannot be
selected causing the compiler to crash. See
https://github.com/llvm/llvm-project/issues/57404
- **select -> and/or**: Converting selects to and/or can enable more
optimizations. `InstCombine` cannot do this as aggressively due to
poison semantics.

2024-01-31 14:37:27 -08:00

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