Nikita Popov c35761db0f [GlobalISel] Bail on G_PHI narrowing of odd types (PR48188) ...

The current narrowing code for G_PHI can only handle the case
where the size is a multiple of the narrow size. If this is not
the case, fall back to SDAG instead of asserting.

Original patch by shepmaster.

Differential Revision: https://reviews.llvm.org/D92446

2021-03-01 23:30:50 +01:00

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