Meghana Gupta 4c46faad26 Fix mem2reg for load_borrows with reborrows ...

StackAllocationPromoter::pruneAllocStackUsage substitutes loads/stores of alloc_stack
with values. For some reason isLoadFromStack was bailing out for load_borrows with
reborrows leaving them to be fixed up by fixBranchesAndUses which uses live in value
from predecessors for substitution which is obviosly incorrect the block containing
the load_borrow has a store before it.

Fixes rdar://145834542

2025-03-04 10:18:08 -08:00

86 KiB

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