[llvm-branch-commits] [llvm] [AMDGPU] Implement CFI for non-kernel functions (PR #164723)

[Matt Arsenault via llvm-branch-commits]

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@@ -274,6 +383,7 @@ class PrologEpilogSGPRSpillBuilder {
         FuncInfo->getSGPRSpillToPhysicalVGPRLanes(FI);
     assert(Spill.size() == NumSubRegs);
 
+    std::optional<Register> CFISuperReg = getCFISuperReg();
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arsenm wrote:

```suggestion
    MCRegister CFISuperReg = getCFISuperReg();
```

https://github.com/llvm/llvm-project/pull/164723