Cassie Jones f22f4557a7 [GlobalISel] Implement widenScalar for carry-in add/sub ...

These are widened to a wider UADDE/USUBE, with the overflow value
unused, and with the same synthesis of a new overflow value as for the
O operations.

Reviewed By: paquette

Differential Revision: https://reviews.llvm.org/D95326

2021-01-28 17:06:24 -05:00

114 KiB

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