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8b190f8496
Since we're restructuring the CFG, we also need to make sure to update the analsis passes. While I'm touching the code, I dedicided to restructure it a bit. The code involved here was very confusing. This change moves the normalization to essentially being a pre-pass before the main insertion work and updates a few comments to actually say what is happening and *why*. The restructuring should be covered by existing tests. I couldn't easily see how to create a test for the invalidation bug. Suggestions welcome. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234769 91177308-0d34-0410-b5e6-96231b3b80d8