[VectorCombine] Trim low end of loads used in shufflevector rebroadcasts.#149093

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PeddleSpam wants to merge 24 commits intollvm:mainfrom

PeddleSpam:shrink_loads_low

Commits on Jul 8, 2025

[AggressiveInstCombine] Shrink loads used in shufflevector rebroadcasts.
Leon Clark
committed
Add implementation and update tests.
Leon Clark
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Fix broken tests.
Leon Clark
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Ignore non-simple loads.
Leon Clark
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Move transform to VectorCombine and update tests.
Leon Clark
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Address review comments and update tests.
Leon Clark
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Code formatting.
Leon Clark
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Add cost analysis for shufflevector ops and update tests.
Leon Clark
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Code formatting.
Leon Clark
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Address comments.
Leon Clark
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Fix conflict with subvector load widening.
Leon Clark
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Fix build bot false positive for undef.
Leon Clark
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Address comments.
Leon Clark
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Address review comments.
Leon Clark
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Address comments.
Leon Clark
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Formatting.
Leon Clark
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Correct renaming and remove function-style casts.
Leon Clark
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Remove auto.
Leon Clark
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Fix cost analysis after rebase.
Leon Clark
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Commits on Jul 9, 2025

Add debug message.
Leon Clark
committed

Commits on Jul 16, 2025

Address comments.
Leon Clark
committed
Remove redundant code and update tests.
Leon Clark
committed
[VectorCombine] Trim low end of loads used in shufflevector rebroadcasts.
Leon Clark
committed
Fix test failures.
Leon Clark
committed