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Adds code to PPC ISEL lowering to recognize byte inserts from vector_shuffles…

Authored by Graham Yiu <gyiu@ca.ibm.com> on Nov 6 2017, 12:18 PM.

Description

Adds code to PPC ISEL lowering to recognize byte inserts from vector_shuffles, and use P9 shift and vector insert byte instructions instead of vperm. Extends tests from vector insert half-word.

Differential Revision: https://reviews.llvm.org/D34497

llvm-svn: 317503

Details

Event Timeline

Graham Yiu <gyiu@ca.ibm.com> committed rG030621bbcb0d: Adds code to PPC ISEL lowering to recognize byte inserts from vector_shuffles… (authored by Graham Yiu <gyiu@ca.ibm.com>).Nov 6 2017, 12:18 PM