[all-commits] [llvm/llvm-project] c03d09: [aarch64] atan2 intrinsic lowering (p5) (#112611)

[Tex Riddell via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c03d09ce3eed336fea4d9283232383f6d4d4057d
      https://github.com/llvm/llvm-project/commit/c03d09ce3eed336fea4d9283232383f6d4d4057d
  Author: Tex Riddell <texr at microsoft.com>
  Date:   2024-10-24 (Thu, 24 Oct 2024)

  Changed paths:
    M llvm/include/llvm/Analysis/VecFuncs.def
    M llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
    M llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
    M llvm/lib/CodeGen/GlobalISel/Utils.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
    A llvm/test/CodeGen/AArch64/GlobalISel/legalize-atan2.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
    M llvm/test/CodeGen/AArch64/f16-instructions.ll
    M llvm/test/CodeGen/AArch64/fp-intrinsics-fp16.ll
    M llvm/test/CodeGen/AArch64/fp-intrinsics.ll
    M llvm/test/CodeGen/AArch64/illegal-float-ops.ll
    M llvm/test/CodeGen/AArch64/replace-with-veclib-armpl.ll
    M llvm/test/CodeGen/AArch64/replace-with-veclib-sleef-scalable.ll
    M llvm/test/CodeGen/AArch64/replace-with-veclib-sleef.ll
    M llvm/test/CodeGen/AArch64/vec-libcalls.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/veclib-calls-libsystem-darwin.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/veclib-intrinsic-calls.ll

  Log Message:
  -----------
  [aarch64] atan2 intrinsic lowering (p5) (#112611)

This change is part of this proposal:
https://discourse.llvm.org/t/rfc-all-the-math-intrinsics/78294

- `VecFuncs.def`: define intrinsic to sleef/armpl mapping
- `LegalizerHelper.cpp`: add missing fewerElementsVector handling for
the new atan2 intrinsic
- `AArch64ISelLowering.cpp`: Add arch64 specializations for lowering
like neon instructions
- `AArch64LegalizerInfo.cpp`: Legalize atan2.

Part 5 for Implement the atan2 HLSL Function #70096.



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