[all-commits] [llvm/llvm-project] 0df15e: [DAG] Fold i1/vXi1 ssubsat/usubsat(x, y) -> and(x, ~y)

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0df15e5eff8dec82a619c1d27985356a8aa4037e
      https://github.com/llvm/llvm-project/commit/0df15e5eff8dec82a619c1d27985356a8aa4037e
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-02-13 (Sat, 13 Feb 2021)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/ssub_sat_vec.ll
    M llvm/test/CodeGen/AArch64/usub_sat_vec.ll
    M llvm/test/CodeGen/X86/ssub_sat_vec.ll
    M llvm/test/CodeGen/X86/usub_sat_vec.ll

  Log Message:
  -----------
  [DAG] Fold i1/vXi1 ssubsat/usubsat(x,y) -> and(x,~y)

Alive2: https://alive2.llvm.org/ce/z/4nkNGh