[llvm] [AArch64] Lower mathlib call ldexp into fscale when sve is enabled (PR #67552)

[David Green via llvm-commits]

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@@ -26414,3 +26422,46 @@ bool AArch64TargetLowering::preferScalarizeSplat(SDNode *N) const {
   }
   return true;
 }
+
+SDValue AArch64TargetLowering::LowerFLDEXP(SDValue Op,
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davemgreen wrote:

This can be made static and moved to above AArch64TargetLowering::LowerOperation, similar to LowerFunnelShift.

https://github.com/llvm/llvm-project/pull/67552