Krzysztof Parzyszek 55a0dcee07 [APInt] Keep the original bit width in quotient and remainder ...

Some trivial cases in udivrem were handled by directly assigning 0 or 1
to APInt objects. This would set the bit width to 1, instead of the bit
width of the inputs. A potentially undesirable side effect of that is
that with the bit width of 1, 1 equals -1.

Differential Revision: https://reviews.llvm.org/D49554

llvm-svn: 337478

2018-07-19 18:07:56 +00:00

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