[all-commits] [llvm/llvm-project] b6bd41: [InstCombine] Add canonicalization of `sitofp` -> ...

[goldsteinn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b6bd41db31c798f3fc82368381fad6d42795f512
      https://github.com/llvm/llvm-project/commit/b6bd41db31c798f3fc82368381fad6d42795f512
  Author: Noah Goldstein <goldstein.w.n at gmail.com>
  Date:   2024-04-16 (Tue, 16 Apr 2024)

  Changed paths:
    M clang/test/Headers/__clang_hip_math.hip
    M llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
    M llvm/test/Transforms/InstCombine/add-sitofp.ll
    M llvm/test/Transforms/InstCombine/binop-itofp.ll
    M llvm/test/Transforms/InstCombine/clamp-to-minmax.ll
    M llvm/test/Transforms/InstCombine/fpcast.ll
    M llvm/test/Transforms/InstCombine/minmax-fold.ll
    M llvm/test/Transforms/InstCombine/minmax-fp.ll
    M llvm/test/Transforms/InstCombine/pr27236.ll
    M llvm/test/Transforms/InstCombine/sitofp.ll
    M llvm/test/Transforms/LoopVectorize/X86/float-induction-x86.ll
    M llvm/test/Transforms/LoopVectorize/float-induction.ll

  Log Message:
  -----------
  [InstCombine] Add canonicalization of `sitofp` -> `uitofp nneg`

This is essentially the same as #82404 but has the `nneg` flag which
allows the backend to reliably undo the transform.

Closes #88299



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