[llvm] [AMDGPU] Handle MachineOperandType global address in SIFoldOperands. (PR #135424)

[Matt Arsenault via llvm-commits]

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@@ -1161,6 +1161,10 @@ void SIFoldOperandsImpl::foldOperand(
 
         if (OpToFold.isImm())
           UseMI->getOperand(1).ChangeToImmediate(OpToFold.getImm());
+        else if (OpToFold.isGlobal())
+          UseMI->getOperand(1).ChangeToGA(OpToFold.getGlobal(),
+                                          OpToFold.getOffset(),
+                                          OpToFold.getTargetFlags());
         else
           UseMI->getOperand(1).ChangeToFrameIndex(OpToFold.getIndex());
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arsenm wrote:

First, I meant do if (isImm) {} else if (isFI()) {} { else global

But you could also just move the setDesc to avoid the side effect 

https://github.com/llvm/llvm-project/pull/135424