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

[Luke Lau via llvm-commits]

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@@ -5028,14 +5028,12 @@ static Value *simplifyGEPInst(Type *SrcTy, Value *Ptr,
   }
 
   // All-zero GEP is a no-op, unless it performs a vector splat.
-  if (Ptr->getType() == GEPTy &&
-      all_of(Indices, [](const auto *V) { return match(V, m_Zero()); }))
+  if (Ptr->getType() == GEPTy && all_of(Indices, match_fn(m_Zero())))
     return Ptr;
 
   // getelementptr poison, idx -> poison
   // getelementptr baseptr, poison -> poison
-  if (isa<PoisonValue>(Ptr) ||
-      any_of(Indices, [](const auto *V) { return isa<PoisonValue>(V); }))
+  if (isa<PoisonValue>(Ptr) || any_of(Indices, match_fn(m_Poison())))
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lukel97 wrote:

`IsaPred<PoisonValue>`

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