[llvm] Unroll loops apple (PR #149358)

[Jon Roelofs via llvm-commits]

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@@ -4821,9 +4821,16 @@ getAppleRuntimeUnrollPreferences(Loop *L, ScalarEvolution &SE,
         const SCEV *PtrSCEV = SE.getSCEV(Ptr);
         if (SE.isLoopInvariant(PtrSCEV, L))
           continue;
-        if (isa<LoadInst>(&I))
-          LoadedValues.insert(&I);
-        else
+        if (isa<LoadInst>(&I)) {
+          LoadedValuesPlus.insert(&I);
+          // Included 1st users of loaded values
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jroelofs wrote:

Some comment here explaining the "why" / intuition would help.

https://github.com/llvm/llvm-project/pull/149358