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Fix wrong constant folding for bswap16 #67726

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Fix wrong constant folding for bswap16 #67726

wants to merge 2 commits into from

Commits on Apr 7, 2022

  1. Fix wrong constant folding for bswap16 

    The semantics of bswap16 is currently to swap the lower 2 bytes and
leave the upper bytes alone. We need to keep the same behavior when
constant folding or we can quickly end up discarding necessary casts.

Fix dotnet#67723
    @jakobbotsch
    jakobbotsch committed Apr 7, 2022
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  2. Disable constant folding for bswap16

    @jakobbotsch
    jakobbotsch committed Apr 7, 2022
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