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

[Luke Lau via llvm-commits]

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@@ -1299,7 +1299,7 @@ static Value *simplifyUsingControlFlow(InstCombiner &Self, PHINode &PN,
   //          \       /
   //       phi [v1] [v2]
   // Make sure all inputs are constants.
-  if (!all_of(PN.operands(), [](Value *V) { return isa<ConstantInt>(V); }))
+  if (!all_of(PN.operands(), match_fn(m_ConstantInt())))
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lukel97 wrote:

IsaPred

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