[llvm] [Lint][AMDGPU] No store to const addrspace (PR #109181)

[Shilei Tian via llvm-commits]

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@@ -401,6 +403,10 @@ void Lint::visitMemoryReference(Instruction &I, const MemoryLocation &Loc,
         "Unusual: Address one pointer dereference", &I);
 
   if (Flags & MemRef::Write) {
+    if (TT.isAMDGPU())
+      Check(!AMDGPU::isConstantAddressSpace(UnderlyingObject->getType()->getPointerAddressSpace()),
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shiltian wrote:

Is it possible or better to do the check via TTI? I'm not sure if it's a good idea to do the check based on triple.

https://github.com/llvm/llvm-project/pull/109181