[PATCH] D26529: [LoopReroll] Make root-finding more aggressive.

[Eli Friedman via llvm-commits]

efriedma created this revision.
efriedma added reviewers: hfinkel, hulx2000, jmolloy.
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Allow using an instruction other than a mul or phi as the base for root-finding.  For example, the included testcase includes a loop which requires using a getelementptr as the base for root-finding.


Repository:
  rL LLVM

https://reviews.llvm.org/D26529

Files:
  lib/Transforms/Scalar/LoopRerollPass.cpp
  test/Transforms/LoopReroll/basic.ll

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