[PATCH] D156835: CoroFrame: Rework SuspendCrossingInfo analysis

[Matthias Braun via Phabricator via llvm-commits]

MatzeB created this revision.
MatzeB added reviewers: ChuanqiXu, GorNishanov, witstorm95.
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This changes the dataflow solver into a two-phase approach:

- In a first pass visit every block in a reverse post-order resulting in a topological ordering for loop-free code. Put "backedges" into worklist.
- Revisit blocks with worklist dataflow algorithm until fixpoint is reached.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156835

Files:
  llvm/lib/Transforms/Coroutines/CoroFrame.cpp

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