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bf32b7f844
We avoided computing DAG height/depth during Node printing because it shouldn't depend on an otherwise valid DAG. But this has become far too annoying for the common case of a valid DAG where we want to see valid values. If doing the computation on-the-fly turns out to be a problem in practice, then I'll add a mode to the diagnostics to only force it when we're likely to have a valid DAG, otherwise explicitly print INVALID instead of bogus numbers. For now, just go for it all the time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176314 91177308-0d34-0410-b5e6-96231b3b80d8
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