[PATCH] D20292: [X86] Remove transformVSELECTtoBlendVECTOR_SHUFFLE

Michael Kuperstein via llvm-commits llvm-commits at lists.llvm.org
Mon May 16 11:11:54 PDT 2016

mkuper created this revision.
mkuper added a reviewer: chandlerc.
mkuper added a subscriber: llvm-commits.

The new X86 shuffle lowering can do just fine without transforming vselects into vector_shuffles.
It looks like the only thing this code does right now is cause trouble - in particular, it can lead to combine/legalization infinite loops.

This fixes PR27689.



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