Commit Graph

1 Commits

Author SHA1 Message Date
Keno Fischer 1efc3b70c5 Fix ScalarEvolutionExpander step scaling bug
The expandAddRecExprLiterally function incorrectly transforms
`[Start + Step * X]` into `Step * [Start + X]` instead of the correct
transform of `[Step * X] + Start`.

This caused https://github.com/JuliaLang/julia/issues/14704#issuecomment-174126219
due to what appeared to be sufficiently complicated loop interactions.

Patch by Jameson Nash (jameson@juliacomputing.com).

Reviewers: sanjoy
Differential Revision: http://reviews.llvm.org/D16505

llvm-svn: 275239
2016-07-13 01:28:12 +00:00