Nikita Popov b04fc99c34 [ConstantRange] Fix nsw nowrap region for 1 bit integers (PR59301) ...

The special case for V=1 was incorrect for one bit types, where
1 is also -1. Remove it, and use getNonEmpty() to handle the full
range case instead.

Adjust the exhaustive nowrap tests to test both 5 bit and 1 bit
types.

Fixes https://github.com/llvm/llvm-project/issues/59301.

2022-12-06 16:37:43 +01:00

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