================
@@ -717,6 +716,466 @@ SrcSafetyAnalysis::create(BinaryFunction &BF,
RegsToTrackInstsFor);
}
+/// A state representing which registers are safe to be used as the destination
+/// operand of an authentication instruction.
+///
+/// Similar to SrcState, it is the analysis that should take register aliasing
+/// into account.
+///
----------------
kbeyls wrote:
At first sight, it looks like there is quite a bit of code added here for
`DstState` and `DstSafetyAnalysis`. I wonder if you have thought about/analyzed
if it would be (a) possible and (b) desirable to try and share more of the
implementation between the `Dst...` and `Src...` classes?
I haven't investigated this at all --- just thought I'd ask you first in case
you had thought about this before.
https://github.com/llvm/llvm-project/pull/135663
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