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

[Luke Lau via llvm-commits]

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@@ -340,7 +340,7 @@ bool InstCombinerImpl::foldIntegerTypedPHI(PHINode &PN) {
 Instruction *InstCombinerImpl::foldPHIArgIntToPtrToPHI(PHINode &PN) {
   // convert ptr2int ( phi[ int2ptr(ptr2int(x))] ) --> ptr2int ( phi [ x ] )
   // Make sure all uses of phi are ptr2int.
-  if (!all_of(PN.users(), [](User *U) { return isa<PtrToIntInst>(U); }))
+  if (!all_of(PN.users(), match_fn(m_PtrToInt(m_Value()))))
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lukel97 wrote:

IsaPred?

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