llvm/llvm-project
[InstCombine] SimplifyDemandedBits - add basic bitcast handling
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#173,780 opened on 2025/12/28
good first issuellvm:instcombine
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説明
Noticed on #173723 - we could avoid the isIntOrIntVectorTy / dyn_cast code if the IC.SimplifyDemandedBits call was able to peek through bitcasts, at least of the same scalar bit size (e.g. f32 -> i32 / v1f64 -> i64 etc.).