[PATCH] D12476: [LV] Refactor all runtime check emissions into helper functions.

[James Molloy via llvm-commits]

jmolloy created this revision.
jmolloy added reviewers: anemet, mzolotukhin, hfinkel.
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jmolloy set the repository for this revision to rL LLVM.

This reduces the complexity of createEmptyBlock() and will open the door to further refactoring.

The test change is simply because we're now constant folding a trivial test.

It's now very obvious that one test (emitMinimumIterationCountCheck) dominates another (emitVectorLoopEnteredCheck). I haven't removed the latter in this commit as I wanted to keep it as NFC as possible.

Repository:
  rL LLVM

http://reviews.llvm.org/D12476

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

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