[all-commits] [llvm/llvm-project] 3c3fc4: [InstCombine] Add nsw tests for A + -B fold (NFC)

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3c3fc4ce77da21214e1e20b8c42607b4dcdef5a7
      https://github.com/llvm/llvm-project/commit/3c3fc4ce77da21214e1e20b8c42607b4dcdef5a7
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-08-16 (Fri, 16 Aug 2024)

  Changed paths:
    M llvm/test/Transforms/InstCombine/add.ll

  Log Message:
  -----------
  [InstCombine] Add nsw tests for A + -B fold (NFC)


  Commit: dd9a99f2b634d95072ae49ebcbe5598877de4985
      https://github.com/llvm/llvm-project/commit/dd9a99f2b634d95072ae49ebcbe5598877de4985
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-08-16 (Fri, 16 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
    M llvm/test/Transforms/InstCombine/add.ll

  Log Message:
  -----------
  [InstCombine] Preserve nsw in A + -B fold

This was already done for -B + A, but not for A + -B.

Proof: https://alive2.llvm.org/ce/z/F3V2yZ


Compare: https://github.com/llvm/llvm-project/compare/14d57e21e1cc...dd9a99f2b634

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