[PATCH] D29956: [LV] Remove constant-step restriction for vector phi creation

[Matthew Simpson via Phabricator via llvm-commits]

mssimpso updated this revision to Diff 88740.
mssimpso marked 4 inline comments as done.
mssimpso added a comment.

Addressed Michael's comments.

- Used CreateTrunc instead of CreateSExtOrTrunc.
- Marked IRBuilder comment FIXME.
- Changed loop-invariant check to an assertion (InductionDescriptor only allows loop-invariant steps) and simplified.


https://reviews.llvm.org/D29956

Files:
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Transforms/LoopVectorize/induction-step.ll

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