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(parent: 2288a75) | patch
[X86] computeKnownBitsForTargetNode - add X86ISD::PMULUDQ handling
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 21 Mar 2021 09:57:20 +0000 (09:57 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sun, 21 Mar 2021 09:57:20 +0000 (09:57 +0000)
commit54a05f2ec8da4ac6e02d99e4e2afc24790d6880a
tree9310fa898e2a89d32394f3e0bf6f71b637e89535tree | snapshot
parent2288a75d9eceeabdffcd72789d97386ee10962fbcommit | diff
[X86] computeKnownBitsForTargetNode - add X86ISD::PMULUDQ handling

Reuse the existing KnownBits multiplication code to handle what is effectively a ISD::UMUL_LOHI varient
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/test/CodeGen/X86/shrink_vmul.ll diff | blob | history
Domain: System / Toolchain;