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Simon Pilgrim 6a9d532b78 [InstCombine][SSE] Add MOVMSK constant folding (PR27982)
This patch adds support for folding undef/zero/constant inputs to MOVMSK instructions.

The SSE/AVX versions can be fully folded, but the MMX version can only handle undef inputs.

Differential Revision: http://reviews.llvm.org/D20998

llvm-svn: 271990
2016-06-07 08:18:35 +00:00
2016-01-26 21:29:08 +00:00
2014-04-07 03:57:04 +00:00
2014-03-02 13:08:46 +00:00
2016-01-26 21:29:08 +00:00
2016-05-10 16:23:54 +00:00
2016-03-30 22:41:06 +00:00
2016-01-04 19:13:29 +00:00

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