[all-commits] [llvm/llvm-project] 7daa50: [NVPTX] Cleanup and document nvvm.fabs intrinsics, ...

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7daa5010ab6a2ae77ac88ffd84e2cc37a2e11faa
      https://github.com/llvm/llvm-project/commit/7daa5010ab6a2ae77ac88ffd84e2cc37a2e11faa
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2025-04-17 (Thu, 17 Apr 2025)

  Changed paths:
    M clang/include/clang/Basic/BuiltinsNVPTX.td
    M clang/lib/CodeGen/TargetBuiltins/NVPTX.cpp
    M clang/test/CodeGen/builtins-nvptx-native-half-type.c
    M clang/test/CodeGen/builtins-nvptx.c
    M llvm/docs/NVPTXUsage.rst
    M llvm/include/llvm/IR/IntrinsicsNVVM.td
    M llvm/lib/IR/AutoUpgrade.cpp
    M llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
    M llvm/lib/Target/NVPTX/NVPTXIntrinsics.td
    M llvm/lib/Target/NVPTX/NVPTXTargetTransformInfo.cpp
    A llvm/test/CodeGen/NVPTX/fabs-intrinsics.ll
    M llvm/test/CodeGen/NVPTX/math-intrins-sm80-ptx70-autoupgrade.ll
    M llvm/test/Transforms/InstCombine/NVPTX/nvvm-intrins.ll

  Log Message:
  -----------
  [NVPTX] Cleanup and document nvvm.fabs intrinsics, adding f16 support (#135644)

This change unifies the NVVM intrinsics for floating point absolute
value into two new overloaded intrinsics "llvm.nvvm.fabs.*" and
"llvm.nvvm.fabs.ftz.*". Documentation has been added specifying the
semantics of these intrinsics to clarify how they differ from
"llvm.fabs.*". In addition, support for these new intrinsics is
extended to cover the f16 variants.



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