[Lldb-commits] [lldb] [llvm] [AArch64][llvm] Tighten SYSP parsing; don't disassemble invalid encodings (PR #182410)

[via lldb-commits]

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@@ -813,6 +813,13 @@ def XSeqPairsClass   : RegisterClass<"AArch64", [untyped], 64,
                                      (add XSeqPairs)>{
   let Size = 128;
 }
+def SyspPairsClass   : RegisterClass<"AArch64", [untyped], 64,
+                                     (add XSeqPairs, XZR)>{
+  let Size = 128;
+  let isAllocatable = 0;
+  let GeneratePressureSet = 0;
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Lukacma wrote:

Why is this set to 0 ?

https://github.com/llvm/llvm-project/pull/182410