[llvm] [TTI][RISCV] Add cost modelling for intrinsic vp.load.ff (PR #160470)

[Luke Lau via llvm-commits]

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@@ -1616,6 +1616,11 @@ class TargetTransformInfo {
       TTI::TargetCostKind CostKind = TTI::TCK_RecipThroughput,
       bool UseMaskForCond = false, bool UseMaskForGaps = false) const;
 
+  /// \return The cost of vp intrinsic vp.load.ff.
+  LLVM_ABI InstructionCost getFaultOnlyFirstLoadCost(
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lukel97 wrote:

Nit, in the interest of brevity and to not make it too RISC-V specific should we name it `getFaultFirstLoadCost`?

https://github.com/llvm/llvm-project/pull/160470