[llvm] [PatternMatch] Introduce match functor (NFC) (PR #159386)

[Luke Lau via llvm-commits]

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@@ -5662,7 +5658,7 @@ static Constant *simplifyFPOp(ArrayRef<Value *> Ops, FastMathFlags FMF,
                               RoundingMode Rounding) {
   // Poison is independent of anything else. It always propagates from an
   // operand to a math result.
-  if (any_of(Ops, [](Value *V) { return match(V, m_Poison()); }))
+  if (any_of(Ops, match_fn(m_Poison())))
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lukel97 wrote:

`IsaPred<PoisonValue>`

https://github.com/llvm/llvm-project/pull/159386