[llvm] r212444 - [x86] Teach the new vector shuffle lowering code to handle what is

[Hal Finkel]

----- Original Message -----
> From: "Chandler Carruth" <chandlerc at gmail.com>
> To: llvm-commits at cs.uiuc.edu
> Sent: Monday, July 7, 2014 4:06:58 AM
> Subject: [llvm] r212444 - [x86] Teach the new vector shuffle lowering code to	handle what is
> 
> Author: chandlerc
> Date: Mon Jul  7 04:06:58 2014
> New Revision: 212444
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=212444&view=rev
> Log:
> [x86] Teach the new vector shuffle lowering code to handle what is
> essentially a DAG combine that never gets a chance to run.

Can you please explain what this means? We run DAGCombine in AfterLegalizeDAG mode just before instruction selection.

 -Hal

> 
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-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory