[PATCH] D136753: [DemandedBits] Add Div instruction to DetermineLiveOperandBits

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D136753#3885422 <https://reviews.llvm.org/D136753#3885422>, @zjaffal wrote:

> In D136753#3885186 <https://reviews.llvm.org/D136753#3885186>, @RKSimon wrote:
>
>> Please can you add udiv/sdiv exhaustive test coverage to llvm-project\llvm\unittests\IR\DemandedBitsTest.cpp
>
> Would be possible to use the same logic used for add and sub or I need to create something new? Also do you think we should add ir tests as well or that wouldn't be necessary

You'll probably have to create a similar ForeachKnownBits system from scratch

Adding IR tests to test\Analysis\DemandedBits is always welcome - its pretty empty in there


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