================
@@ -250,6 +286,9 @@ struct MachineSMEABI : public MachineFunctionPass {
SmallVector<ZAState> BundleStates;
std::optional<TPIDR2State> TPIDR2Block;
std::optional<MachineBasicBlock::iterator> AfterSMEProloguePt;
+ Register AgnosticZABufferPtr = AArch64::NoRegister;
+ LiveRegs PhysLiveRegsAfterSMEPrologue = LiveRegs::None;
+ bool HasFullZASaveRestore = false;
----------------
gbossu wrote:
Could you document what a "full ZA save/restore" is? How does this differ from
the "plain" save/restore?
https://github.com/llvm/llvm-project/pull/149064
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