[llvm] [InferAddressSpaces] Infer pointer stored and then loaded from global variable (PR #159755)

[Wenju He via llvm-commits]

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@@ -373,6 +399,19 @@ getPointerOperands(const Value &V, const DataLayout &DL,
     auto *P2I = cast<Operator>(Op.getOperand(0));
     return {P2I->getOperand(0)};
   }
+  case Instruction::Load: {
+    assert(V.getType()->isPtrOrPtrVectorTy());
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wenju-he wrote:

> This function is supposed to be simply parsing the pointer operand, it shouldn't have any of this user analysis?

done, reverted this change. Refactored stored pointer retrieving into a new function getStoredPointerOperands.

https://github.com/llvm/llvm-project/pull/159755