[llvm] [PAC][IR][AArch64] Add "ptrauth(...)" Constant to represent signed pointers. (PR #85738)

[Nikita Popov via llvm-commits]

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@@ -1007,6 +1007,73 @@ struct OperandTraits<NoCFIValue> : public FixedNumOperandTraits<NoCFIValue, 1> {
 
 DEFINE_TRANSPARENT_OPERAND_ACCESSORS(NoCFIValue, Value)
 
+/// A signed pointer, in the ptrauth sense.
+///
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nikic wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/85738