[llvm] [SimplifyCFG] Use range-based for loops (NFC) (PR #107180)

[Nikita Popov via llvm-commits]

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@@ -1000,20 +1000,20 @@ bool SimplifyCFGOpt::simplifyEqualityComparisonWithOnlyPredecessor(
   // which value (or set of values) this is.
   ConstantInt *TIV = nullptr;
   BasicBlock *TIBB = TI->getParent();
-  for (unsigned i = 0, e = PredCases.size(); i != e; ++i)
-    if (PredCases[i].Dest == TIBB) {
+  for (const auto &[Value, Dest] : PredCases)
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nikic wrote:

TIL this works on plain structs...

https://github.com/llvm/llvm-project/pull/107180