[PATCH] D139275: [SimplifyCFG] `FoldBranchToCommonDest()`: deal with mismatched IV's in PHI's in common successor block

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D139275#3975897 <https://reviews.llvm.org/D139275#3975897>, @arsenm wrote:

> I can't well which of these test changes is the new example. Is one of them literally what you get out of __builtin_fpclassify?

Ctrl+F for `test_builtin_fpclassify`, it's at the end of the diff for `llvm/test/Transforms/SimplifyCFG/fold-branch-to-common-dest.ll`.
We don't quite manage to deal with it, but it's an improvement...


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D139275/new/

https://reviews.llvm.org/D139275