[llvm] AMDGPU: Support llvm.exp10 (PR #65860)

[Pierre van Houtryve via llvm-commits]

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@@ -2827,12 +2830,59 @@ SDValue AMDGPUTargetLowering::lowerFEXPUnsafe(SDValue X, const SDLoc &SL,
                      Flags);
 }
 
+SDValue AMDGPUTargetLowering::lowerFEXP10Unsafe(SDValue X, const SDLoc &SL,
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Pierre-vh wrote:

What is "unsafe" lowering and how is it different? Is it faster but less accurate?
Can you add a comment to explain that?

https://github.com/llvm/llvm-project/pull/65860