[llvm] [TLI] Add missing ArmPL mappings (PR #78474)

[Maciej Gabka via llvm-commits]

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@@ -943,6 +953,16 @@ TLI_DEFINE_VECFUNC("hypotf", "armpl_vhypotq_f32", FIXED(4), NOMASK, "_ZGV_LLVM_N
 TLI_DEFINE_VECFUNC("hypot", "armpl_svhypot_f64_x",  SCALABLE(2), MASKED, "_ZGVsMxvv")
 TLI_DEFINE_VECFUNC("hypotf", "armpl_svhypot_f32_x", SCALABLE(4), MASKED, "_ZGVsMxvv")
 
+TLI_DEFINE_VECFUNC("ilogb", "armpl_vilogbq_f64", FIXED(2), NOMASK, "_ZGV_LLVM_N2v")
+TLI_DEFINE_VECFUNC("ilogbf", "armpl_vilogbq_f32", FIXED(4), NOMASK, "_ZGV_LLVM_N4v")
+TLI_DEFINE_VECFUNC("ilogb", "armpl_svilogb_f64_x",  SCALABLE(2), MASKED, "_ZGVsMxv")
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mgabka wrote:

I am not sure it is safe to add the mappings for the double version of ilogb, samel applies to ldexp, as the int element size does not match the double size, we will need to check it I think.

https://github.com/llvm/llvm-project/pull/78474