[PATCH] D105802: [LoopFlatten] Fix missed LoopFlatten opportunity

[Rosie Sumpter via Phabricator via llvm-commits]

RosieSumpter updated this revision to Diff 358556.
RosieSumpter marked 3 inline comments as done.
RosieSumpter added a comment.

- Changed else to else if
- Amended comments
- Moved 'CHECK-LABEL' statement
- Added test for when incoming phi node value for preheader is a variable (not zero)
- Fixed debug output for when incoming phi node value can't be cast to ConstantInt (gives null which causes a crash when dump() is used)




CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105802/new/

https://reviews.llvm.org/D105802

Files:
  llvm/lib/Transforms/Scalar/LoopFlatten.cpp
  llvm/test/Transforms/LoopFlatten/loop-flatten-negative.ll
  llvm/test/Transforms/LoopFlatten/loop-flatten.ll

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