================
@@ -434,6 +434,15 @@ struct AAAMDAttributesFunction : public AAAMDAttributes {
       indicatePessimisticFixpoint();
       return;
     }
+
+    for (Instruction &I : instructions(F)) {
+      if (isa<AddrSpaceCastInst>(I) &&
----------------
jwanggit86 wrote:

@arsenm Following constants to see if they contain addrSpaceCast is now done. 
An example is: `store i32 7, ptr addrspace(3) addrspacecast (ptr addrspace(5) 
null to ptr addrspace(3))`. 
However, I'm not sure it's required or even correct. For the above example, opt 
with -O2 would optimize away the addrspacecast, and the result would be the 
opposite.

https://github.com/llvm/llvm-project/pull/94647
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