Nikita Popov aa71c977ba [SDAG] Fold umul_lohi with 0 or 1 multiplicand ...

These can turn up during multiplication legalization. In principle
these should also apply to smul_lohi, but I wasn't able to figure
out how to produce those with the necessary operands.

Differential Revision: https://reviews.llvm.org/D66380

llvm-svn: 369864

2019-08-25 08:04:22 +00:00

2.1 KiB

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