[DAG] visitTRUNCATE - early out from computeKnownBits/ComputeNumSignBits failures. NFC.#154111

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RKSimon merged 2 commits intollvm:mainfrom

RKSimon:dag-trunc-abd-valuetracking

Aug 18, 2025

Commits on Aug 18, 2025

[DAG] visitTRUNCATE - early out from computeKnownBits/ComputeNumSignBits failures. NFC.
RKSimon
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Early out from the RHS first - more likely to be constant
RKSimon
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