[llvm] [AMDGPU][Verifier] Check address space of `alloca` instruction (PR #135820)

[Shilei Tian via llvm-commits]

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@@ -4395,6 +4395,11 @@ void Verifier::visitAllocaInst(AllocaInst &AI) {
     verifySwiftErrorValue(&AI);
   }
 
+  if (TT.isAMDGPU()) {
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shiltian wrote:

We can't apply this to all triples because some test cases are intended to be target-independent, and they include `alloca` instructions across all address spaces.

https://github.com/llvm/llvm-project/pull/135820