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Commit 6604c305 authored by Jessica Paquette's avatar Jessica Paquette Committed by Tom Stellard
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[GlobalISel] Check if branches use the same MBB in matchOptBrCondByInvertingCond 

If the G_BR + G_BRCOND in this combine use the same MBB, then it will infinite
loop. Don't allow that to happen.

Differential Revision: https://reviews.llvm.org/D95895

(cherry picked from commit 02d4b365)
parent 8d20c14a
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