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[X86][SSE] Add VSRLI/VSRAI/VSLLI demanded elts support to computeKnownBits/ComputeNum...
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 31 Oct 2017 16:06:21 +0000 (16:06 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 31 Oct 2017 16:06:21 +0000 (16:06 +0000)
commitf3c33ca83eb6d0ac09123ec862f3ea25e59c2dcd
tree0f40eb1e99f895f9f0878509b949739c4feddea3tree | snapshot
parent22e71a030ec605bcf740142e400f1505037e71fdcommit | diff
[X86][SSE] Add VSRLI/VSRAI/VSLLI demanded elts support to computeKnownBits/ComputeNumSignBits

Mainly a perf improvements as most combines will have occurred before we lower to these instructions

llvm-svn: 317005
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
Domain: System / Toolchain;