[llvm] [llvm][AArch64] Preserve regmask when expanding the BLR_BTI pseudo instruction (PR #73927)

[David Spickett via llvm-commits]

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@@ -838,6 +838,13 @@ bool AArch64ExpandPseudo::expandCALL_BTI(MachineBasicBlock &MBB,
   Call->addOperand(CallTarget);
   Call->setCFIType(*MBB.getParent(), MI.getCFIType());
 
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DavidSpickett wrote:

Much cleaner, thanks!

https://github.com/llvm/llvm-project/pull/73927