Florian Hahn f067bc3c0a [LoopRotation] Allow loop header duplication if vectorization is forced. ...

-Oz normally does not allow loop header duplication so this loop wouldn't be
vectorized.  However the vectorization pragma should override this and allow
for loop rotation.

rdar://problem/49281061

Original patch by Adam Nemet.

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D59832

2020-10-27 09:28:01 +00:00

5.4 KiB

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