[SelectionDAG] Add SEXT/AND/XOR/Or demanded elts support to ComputeNumSignBits
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 29 Oct 2017 22:03:37 +0000 (22:03 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 29 Oct 2017 22:03:37 +0000 (22:03 +0000)
commit601ae238b79cd62bf70703306cff5c606df329b3
treed92df1e18bce041dd286ff964dd131f46491f3d9
parentccbb496b56dd3a19a76bac43dc9008f31c8823d6
[SelectionDAG] Add SEXT/AND/XOR/Or demanded elts support to ComputeNumSignBits

llvm-svn: 316875
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
llvm/test/CodeGen/X86/known-signbits-vector.ll