llvm-project

fd68fe73 - [DFAJumpThreading] Clone noalias scopes when duplicating a block (#200620)

[DFAJumpThreading] Clone noalias scopes when duplicating a block (#200620) cloneBlockAndUpdatePredecessor cloned the block but not its noalias scope declarations, so duplicated paths shared the same scope MDNodes and AA could treat aliasing accesses on different paths as noalias. Give each clone fresh scopes, like JumpThreading/LoopUnroll/LoopPeel.