Tex Riddell c03d09ce3e [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.

2024-10-24 17:53:12 -07:00

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