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[X86][SSE] Peek though MOVMSK source sign bits using SimplifyMultipleUseDemandedBits
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 28 May 2020 12:34:09 +0000 (13:34 +0100)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Thu, 28 May 2020 12:42:24 +0000 (13:42 +0100)
commit1ddac9563d7f2414e6c4302f9902ac1294966161
tree9f00e7eb278dc60e5948383b4fa3644071ac8a20tree | snapshot
parent7716681cfd0ea2dadbddae6f1983e130c2fa4247commit | diff
[X86][SSE] Peek though MOVMSK source sign bits using SimplifyMultipleUseDemandedBits

Allows SimplifyDemandedBitsForTargetNode to peek through multi-use ops where MOVMSK only demands the signbit of each vector element.
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/test/CodeGen/X86/vec_saddo.ll diff | blob | history
llvm/test/CodeGen/X86/vec_smulo.ll diff | blob | history
llvm/test/CodeGen/X86/vec_ssubo.ll diff | blob | history
external/llvm-project
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