JIT: Switch to rangecheck when profitable#128524

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BoyBaykiller wants to merge 3 commits into

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BoyBaykiller:switch-collapse-to-range-check-more

Commits on May 23, 2026

* normalize switch whenever jump targets form a continous range, so it will be collapsed to range check by later phase (Optimize pre-layout)
BoyBaykiller
committed
* add val!=0 guard when creating GT_SUB node, as nothing optimizes it out
BoyBaykiller
committed

Commits on Jun 5, 2026

Merge branch 'main' into switch-collapse-to-range-check-more
BoyBaykiller
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