[clang] [X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - Allow AVX/AVX512 IFMA madd52 intrinsics to be used in constexpr (PR #161056)

[Simon Pilgrim via cfe-commits]

https://github.com/RKSimon requested changes to this pull request.

Please take a look at the Intel Intrinsics Guide to get a better understanding of the madd52 instructions

https://github.com/llvm/llvm-project/pull/161056