[llvm] [X86] combineAdd - remove unnecessary add(a,concat(vpmaddwd(x,y),vpmaddwd(z,w))) -> vpdpwssd(a,concat(x,z),concat(y,w)) fold (PR #209838)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 16 06:28:30 PDT 2026
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https://github.com/RKSimon auto_merge_enabled https://github.com/llvm/llvm-project/pull/209838
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