[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 07:06:00 PDT 2026

Previous message: [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)
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https://github.com/RKSimon closed https://github.com/llvm/llvm-project/pull/209838

Previous message: [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)
Next message: [llvm] [SPIRV] Fix crash when lowering functions with aggregate return types (PR #209027)
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