[clang] [llvm] [NVPTX] Fix for device function pointer having the same name as generated callprototype (PR #205639)

[Alex MacLean via cfe-commits]

================
@@ -590,8 +592,31 @@ void NVPTXAsmPrinter::emitInstruction(const MachineInstr *MI) {
 
 void NVPTXAsmPrinter::lowerToMCInst(const MachineInstr *MI, MCInst &OutMI) {
   OutMI.setOpcode(MI->getOpcode());
-  for (const auto MO : MI->operands())
-    OutMI.addOperand(lowerOperand(MO));
+  for (unsigned I = 0, E = MI->getNumOperands(); I != E; ++I)
----------------
AlexMaclean wrote:

If we use an MCSymbol in the machine instruction, we should not need to change either. 

https://github.com/llvm/llvm-project/pull/205639