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[Analysis] Only fold trunc X to (X & Mask) if Mask == getLowBitsSet(bit width of original operands) #176589

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wermos wants to merge 1 commit into from

Only fold `trunc X` to `(X & Mask)` for simple masks.

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[Analysis] Only fold trunc X to (X & Mask) if Mask == getLowBitsSet(bit width of original operands) #176589

Only fold `trunc X` to `(X & Mask)` for simple masks.
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