Alexey Zhikhartsev
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f71abec661
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[LoopInterchange] Fix interchanging contents of preheader BBs
Summary:
Previously LCSSA was getting broken by placing instructions into the
(newly) inner *header* instead of the *pre*header.
Fixes PR43474
Reviewers: fhahn
Reviewed By: fhahn
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75943
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2020-03-13 15:59:37 -04:00 |