[llvm] PreISelIntrinsicLowering: Lower llvm.exp/llvm.exp2 to a loop if scalable vec arg (PR #117568)

[Matt Arsenault via llvm-commits]

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@@ -2123,6 +2123,9 @@ class TargetLoweringBase {
   /// Get the ISD node that corresponds to the Instruction class opcode.
   int InstructionOpcodeToISD(unsigned Opcode) const;
 
+  /// Get the ISD node that corresponds to the Intrinsic ID.
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arsenm wrote:

Comment the failure value 

https://github.com/llvm/llvm-project/pull/117568