[DAGCombiner] add fold (xor (smin(x, C), C)) and fold (xor (smax(x, C), C))#155141

Merged

RKSimon merged 11 commits intollvm:mainfrom

rez5427:fold-xor-min-constant

Sep 16, 2025

Commits on Sep 15, 2025

[DAGCombiner] add fold (xor (smin(x, C), C)) -> select (x < C), xor(x, C), 0

Yui5427
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rez5427
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Combining umax umin, smin, smax

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Use sd_match

Yui5427
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Use m_specific and DL

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Update llvm/test/CodeGen/AArch64/xor-smin-smax.ll

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arsenm
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Use freeze N1

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remove redundent bracket

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Add legal
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remove constant zero tests
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rename xor-smin-smax to xor-min-max
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Commits on Sep 16, 2025

Merge branch 'main' into fold-xor-min-constant
RKSimon
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