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Author SHA1 Message Date
Elena Demikhovsky dca03bebd3 AVX-512: Changed lowering of BITCAST between i1 vectors and i8/i16/i32 integer values 
Optimized lowering of BITCAST node. The BITCAST node can be replaced with COPY_TO_REG instead of KMOV.
It allows to suppress two opposite BITCAST operations and avoid redundant "movs".

Differential Revision: https://reviews.llvm.org/D23247

llvm-svn: 277958
 2016-08-07 13:05:58 +00:00
Elena Demikhovsky 2fabdcc60a AVX-512: Added a test for cmp intrinsics 
This is a new test that should explore a current suboptimal sequence in passing values between cmp and kor intrinsics.
The code will be optimized in an upcoming patch.

Submitted bug here:
https://llvm.org/bugs/show_bug.cgi?id=28839

llvm-svn: 277954
 2016-08-07 09:29:34 +00:00