[llvm] Attributor: Add noalias.addrspace attribute for store and load (PR #136553)

[Shilei Tian via llvm-commits]

================
@@ -1390,9 +1390,17 @@ static bool runImpl(Module &M, AnalysisGetter &AG, TargetMachine &TM,
       if (auto *LI = dyn_cast<LoadInst>(&I)) {
         A.getOrCreateAAFor<AAAddressSpace>(
             IRPosition::value(*LI->getPointerOperand()));
+        const_cast<AANoAliasAddrSpace *>(
----------------
shiltian wrote:

Why do you have a `A.getOrCreateAAFor<AAAddressSpace>(IRPosition::value(Ptr))`, and then have another `A.getOrCreateAAFor<AAAddressSpace>(IRPosition::value(Ptr))`?

https://github.com/llvm/llvm-project/pull/136553