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authorCraig Topper <craig.topper@gmail.com>2017-03-13 18:34:46 +0000
committerCraig Topper <craig.topper@gmail.com>2017-03-13 18:34:46 +0000
commit616641632ee5213a4f33b5471c7acea5137d38a2 (patch)
tree86e218e4260ff35dcfb81d5475fa12f53063033b /clang/lib/Frontend/CompilerInvocation.cpp
parenteb7ea28bdd71c97bb7ddd22cd671c606d5d9956e (diff)
downloadbcm5719-llvm-616641632ee5213a4f33b5471c7acea5137d38a2.tar.gz
bcm5719-llvm-616641632ee5213a4f33b5471c7acea5137d38a2.zip
[X86] Lower AVX2 gather intrinsics similar to AVX-512. Apply the same input source optimizations to break execution dependencies.
For AVX-512 we force the input to zero if the input is undef or the mask is all ones to break an execution dependency. This patch brings the same behavior to AVX2. llvm-svn: 297652
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
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