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Allow combining of extract_subvector to extract element
authorStanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Tue, 21 Jan 2020 20:27:13 +0000 (12:27 -0800)
committerStanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Fri, 24 Jan 2020 18:50:26 +0000 (10:50 -0800)
commit7a94d4f4ee435386ff47f7f3ecad4e56608578b6
treed16a6650585f51bca609abe2cd8830b4f5e845a9
parentc2266463377a1727f0627fe4db9a88a1b33a9f4d
Allow combining of extract_subvector to extract element

Differential Revision: https://reviews.llvm.org/D73132
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/test/CodeGen/AMDGPU/vector_shuffle.packed.ll
llvm/test/CodeGen/ARM/vdup.ll
llvm/test/CodeGen/ARM/vext.ll
llvm/test/CodeGen/ARM/vpadd.ll
llvm/test/CodeGen/ARM/vuzp.ll
llvm/test/CodeGen/X86/sse41.ll