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[X86] Prefer PACKUS(AND(),AND()) to SHUFFLE(PSHUFB(),PSHUFB()) on all targets
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 26 Mar 2020 20:46:11 +0000 (20:46 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 26 Mar 2020 20:46:24 +0000 (20:46 +0000)
commitad36491ebb993ed53534c02030e47b4695f8fd2d
tree822e4c7cbeb8f8615a5ce49fe4dee140ec2653betree | snapshot
parent0fe096c4e92a887c503139e5fb0dece263a1d539commit | diff
[X86] Prefer PACKUS(AND(),AND()) to SHUFFLE(PSHUFB(),PSHUFB()) on all targets

Extends rG9d1721ce3926 to support AVX2+ targets.
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/test/CodeGen/X86/shuffle-vs-trunc-256.ll diff | blob | history
llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll diff | blob | history
llvm/test/CodeGen/X86/vector-trunc.ll diff | blob | history
Domain: System / Toolchain;