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Author SHA1 Message Date
Wei Mi dc7001afb2 [LoopVectorize] Change comment for isOutOfScope in collectLoopUniforms, NFC 
Update comment for isOutOfScope and add a testcase for uniform value being used
out of scope.

Differential Revision: https://reviews.llvm.org/D23073

llvm-svn: 277515
 2016-08-02 20:27:49 +00:00
Wei Mi 95685faeee Refine the set of UniformAfterVectorization instructions. 
Except the seed uniform instructions (conditional branch and consecutive ptr
instructions), dependencies to be added into uniform set should only be used
by existing uniform instructions or intructions outside of current loop.

Differential Revision: http://reviews.llvm.org/D21755

llvm-svn: 274262
 2016-06-30 18:42:56 +00:00