[llvm] [ArgPromotion] Handle pointer arguments of recursive calls (PR #78735)

[Matt Arsenault via llvm-commits]

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@@ -744,8 +794,10 @@ static Function *promoteArguments(Function *F, FunctionAnalysisManager &FAM,
     if (CB->isMustTailCall())
       return nullptr;
 
-    if (CB->getFunction() == F)
+    if (CB->getFunction() == F) {
       IsRecursive = true;
+      IsSelfRecursive = true;
+    }
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arsenm wrote:

Can we start relying on the norecurse attribute? 

https://github.com/llvm/llvm-project/pull/78735