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[LV] First order recurrence phis should not be treated as uniform

Authored by anna on Sep 4 2018, 3:12 PM.

Description

[LV] First order recurrence phis should not be treated as uniform

This is fix for PR38786.
First order recurrence phis were incorrectly treated as uniform,
which caused them to be vectorized as uniform instructions.

Patch by Ayal Zaks and Orivej Desh!

Reviewed by: Anna

Differential Revision: https://reviews.llvm.org/D51639

llvm-svn: 341416

Details

Committed
annaSep 4 2018, 3:12 PM
Reviewer
anna
Differential Revision
D51639: [LV] Fix PR38786 - consider first order recurrence phis non-uniform
Parents
rG5bbe8cd7ef97: [InstCombine] add tests for xor-or-xor fold; NFC
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