[PATCH] D47139: [NaryReassociate] Detect deleted instr with WeakTrackingVH

[Artem Belevich via Phabricator via llvm-commits]

tra added a comment.

@sanjoy is more familiar with this, so I've asked him to take a look.



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Comment at: test/Transforms/NaryReassociate/pr37539.ll:9
+; CHECK-NEXT:    br label [[BB1:%.*]]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[P1:%.*]] = phi i16 [ 0, [[TMP0:%.*]] ], [ [[A1:%.*]], [[BB1]] ]
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You may want to replace it with `CHECK: [[BB1]]`
Same for BB7 below.


Repository:
  rL LLVM

https://reviews.llvm.org/D47139