[llvm] [RISCV] Combine ADDD(lo, hi, x, 0) -> WADDAU(lo, hi, x, 0). Combine WADDAU (WADDAU lo, hi, x, 0), y, 0 -> WADDAU lo, hi, x, y (PR #181396)

Sam Elliott via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 13 11:19:14 PST 2026


https://github.com/lenary edited https://github.com/llvm/llvm-project/pull/181396


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