[llvm] [ProfileData] Add a variant of getValueProfDataFromInst (PR #95993)

[Ellis Hoag via llvm-commits]

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@@ -294,6 +294,13 @@ getValueProfDataFromInst(const Instruction &Inst, InstrProfValueKind ValueKind,
                          uint32_t MaxNumValueData, uint32_t &ActualNumValueData,
                          uint64_t &TotalC, bool GetNoICPValue = false);
 
+/// Extract the value profile data from \p Inst and returns them if \p Inst is
+/// annotated with value profile data. Returns an empty vector otherwise.
+std::vector<InstrProfValueData>
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ellishg wrote:

Does it make sense to use `SmallVector` instead of `std::vector` in this patch?

https://github.com/llvm/llvm-project/pull/95993