[llvm] [IPSCCP] Variable not visible at Og: (PR #66745)

[Felipe de Azevedo Piovezan via llvm-commits]

================
@@ -371,6 +372,52 @@ static bool runIPSCCP(
       StoreInst *SI = cast<StoreInst>(GV->user_back());
       SI->eraseFromParent();
     }
+
+    // Try to create a debug constant expression for the glbal variable
+    // initializer value.
----------------
felipepiovezan wrote:

To address something another reviewer said, I think we can start by making this into a helper function, as this function is already too big / doing a lot

https://github.com/llvm/llvm-project/pull/66745