Mirko 4d3c427f33 [CodeGen] Use first EHLabel as a stop gate for live range shrinking (#114195) ...

This fixes issue #114194

The issue happens during the `LiveRangeShrink` pass, which runs early,
before phi elimination. LandingPads, which are lowered to EHLabels, need
to be the first non phi instruction in an EHPad. In case of a phi node
being in front of the EHLabel and a use being after the EHLabel, we
hoist the use in front of the label.

This results in a portion of the landingpad missing due to being hoisted
in front of the label.

2024-11-01 19:13:18 -07:00

9.0 KiB

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