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Author SHA1 Message Date
Simon Pilgrim a705db9a9e [X86][SSE] Add support for extending bool vectors bitcasted from scalars 
This patch acts as a reverse to combineBitcastvxi1 - bitcasting a scalar integer to a boolean vector and extending it 'in place' to the requested legal type.

Currently this doesn't handle AVX512 at all - but the current mask register approach is lacking for some cases.

Differential Revision: https://reviews.llvm.org/D35320

llvm-svn: 314076
 2017-09-24 13:42:31 +00:00
Simon Pilgrim a80cb1d7a7 [X86][SSE] Tests for bitcasting iX integers to vXi1 boolean vectors 
Including sign/zero extension to legal types

llvm-svn: 307301
 2017-07-06 19:33:10 +00:00