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Implement constant-folding for VNF_BitCast #68979

Merged
merged 3 commits into from
May 15, 2022
Merged

Implement constant-folding for VNF_BitCast #68979

merged 3 commits into from
May 15, 2022

Commits on May 13, 2022

  1. Outline the logic for legality of folding 

    No diffs.
    @SingleAccretion
    SingleAccretion committed May 13, 2022
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  2. Implement constant folding for BitCast 

    A few small diffs in tests where we now form new constants
for "long/int <-> double/float>" reinterpretations.

Completes the support for "VNF_BitCast" and removes the SIMD
quirk from "VNForLoadStoreBitCast".
    @SingleAccretion
    SingleAccretion committed May 13, 2022
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Commits on May 14, 2022

  1. Avoid UB with unions 

    Only usage of "active" union members is well-defined in C++.
    @SingleAccretion
    SingleAccretion committed May 14, 2022
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