[all-commits] [llvm/llvm-project] 84a533: [X86] Add tests for `uitofp nneg` -> `sitofp`; NFC

[goldsteinn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 84a5332a68f2b6cb6f48b9483e50d3f821f17119
      https://github.com/llvm/llvm-project/commit/84a5332a68f2b6cb6f48b9483e50d3f821f17119
  Author: Noah Goldstein <goldstein.w.n at gmail.com>
  Date:   2024-04-09 (Tue, 09 Apr 2024)

  Changed paths:
    M llvm/test/CodeGen/X86/uint_to_fp.ll

  Log Message:
  -----------
  [X86] Add tests for `uitofp nneg` -> `sitofp`; NFC


  Commit: 70136389788b90c2e6bbaef5ad8bb0285d460068
      https://github.com/llvm/llvm-project/commit/70136389788b90c2e6bbaef5ad8bb0285d460068
  Author: Noah Goldstein <goldstein.w.n at gmail.com>
  Date:   2024-04-09 (Tue, 09 Apr 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

  Log Message:
  -----------
  [DAG] Add support for `nneg` flag with `uitofp`

Copy `nneg` flag when building `UINT_TO_FP` from `uitofp` and use
`nneg` flag in the one place we transform `UINT_TO_FP` -> `SINT_TO_FP`
if the operand is non-negative.


  Commit: 6c40d463c28e7a6843bea9f6d838cd89e586cbe8
      https://github.com/llvm/llvm-project/commit/6c40d463c28e7a6843bea9f6d838cd89e586cbe8
  Author: Noah Goldstein <goldstein.w.n at gmail.com>
  Date:   2024-04-09 (Tue, 09 Apr 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/uint_to_fp.ll

  Log Message:
  -----------
  [X86] Use `nneg` flag when trying to convert `uitofp` -> `sitofp`

Closes #86694


Compare: https://github.com/llvm/llvm-project/compare/3c2feab7d152...6c40d463c28e

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