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[DAGCombiner] Add another combine from build vector to shuffle

Description

[DAGCombiner] Add another combine from build vector to shuffle

Add support for combining a build vector to a shuffle.
When the build vector is of extracted elements from 2 vectors (vec1, vec2) where vec2 is 2 times smaller than vec1.

Details

Committed
guyblankJun 21 2017, 12:38 AM
Parents
rL305882: [SCEV] Make MulOpsInlineThreshold lower to avoid excessive compilation time
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