[PATCH] Convert a vselect into a concat_vector if possible
Filipe Cabecinhas
filcab+llvm.phabricator at gmail.com
Mon May 26 20:36:45 PDT 2014
Hi nadav, delena, grosbach,
If both vector args to vselect are concat_vectors and the condition is
constant and picks half a vector from each argument, convert the vselect
into a concat_vectors.
Added tests.
http://reviews.llvm.org/D3916
Files:
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/vselect.ll
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