JIT: Normalize switch so it gets collapse into range check#128524

Open

BoyBaykiller wants to merge 2 commits into

dotnet:mainfrom

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