[PATCH] D20474: when calculating RegUsages, ignore instructions which are uniformed after vectorization
Wei Mi via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 7 16:19:06 PDT 2016
wmi updated this revision to Diff 63156.
wmi added a comment.
Fix the problem pointed out by Matthew. When induction var is only used by uniform instruction or non-consecutive/non-gather scatter ptr instructions, the related phi and update will be added into VecValuesToIgnore set.
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