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[X86] SimplifyDemandedVectorEltsForTargetNode - merge shuffle/pack lower demanded...
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 27 Jun 2020 18:10:13 +0000 (19:10 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 27 Jun 2020 18:10:13 +0000 (19:10 +0100)
commit393b4bd1362f6634a972157e7c2f3936f51f7356
tree349d1c68171136e3d7e3a946d0562df31193ec05tree | snapshot
parentd698ff92a59c0632aa6a88b72890eb401bd64faacommit | diff
[X86] SimplifyDemandedVectorEltsForTargetNode - merge shuffle/pack lower demanded elements handling.

Generalize the vector operand extraction code for shuffle/pack ops - we can assume that the vector operands are the same width as the result, and any non-vector values can be reused directly in the smaller width op.
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
Domain: System / Toolchain;