[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.
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