================
@@ -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;
----------------
MacDue wrote:
Added a little comment above `emitFullZASaveRestore`. It's full in the sense it
uses `__arm_sme_save` or `__arm_sme_restore`, which handles saving both ZA and
ZT0.
https://github.com/llvm/llvm-project/pull/149064
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