[llvm] [X86] Lower mathlib call ldexp into scalef when avx512 is enabled (PR #69710)

[Simon Pilgrim via llvm-commits]

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@@ -31979,6 +32024,8 @@ SDValue X86TargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
   case ISD::ADDRSPACECAST:      return LowerADDRSPACECAST(Op, DAG);
   case X86ISD::CVTPS2PH:        return LowerCVTPS2PH(Op, DAG);
   case ISD::PREFETCH:           return LowerPREFETCH(Op, Subtarget, DAG);
+  case ISD::FLDEXP:
+    return LowerFLDEXP(Op, DAG);
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RKSimon wrote:

Use the single line style like (most of) the previous cases.

https://github.com/llvm/llvm-project/pull/69710