[PATCH] D97495: [SimplifyCFG] avoid illegal phi with both poison and undef

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


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Comment at: llvm/test/Transforms/SimplifyCFG/poison-merge.ll:14-17
+; CHECK-NEXT:    [[K2:%.*]] = phi i64 [ [[K3:%.*]], [[G]] ], [ undef, [[ENTRY:%.*]] ]
+; CHECK-NEXT:    br label [[G]]
+; CHECK:       g:
+; CHECK-NEXT:    [[K3]] = phi i64 [ [[K2]], [[LOOP]] ], [ poison, [[ENTRY]] ]
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It looks like we didn't merge them after all?


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  https://reviews.llvm.org/D97495/new/

https://reviews.llvm.org/D97495