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Author SHA1 Message Date
Sanjay Patel 3955360b24 [x86, AVX] allow explicit calls to VZERO* to modify state in VZeroUpperInserter pass (PR27823) 
As noted in the review, there are still problems, so this doesn't the bug completely.

Differential Revision: http://reviews.llvm.org/D20529

llvm-svn: 270718
 2016-05-25 16:39:47 +00:00
Simon Pilgrim 7cc9814aaf [X86][AVX] Added tests that access ymm registers before and after explicit vzeroupper/vzeroall calls 
llvm-svn: 270434
 2016-05-23 13:03:45 +00:00
Sanjay Patel f71fc95173 [x86, AVX] add test file to show vzeroupper pass excesses 
llvm-svn: 270375
 2016-05-22 19:55:48 +00:00