================
@@ -741,13 +743,41 @@ void SystemZAsmPrinter::emitInstruction(const
MachineInstr *MI) {
case SystemZ::EH_SjLj_Setup:
return;
+ case SystemZ::LOAD_STACK_GUARD:
+ llvm_unreachable(
+ "LOAD_STACK_GUARD should have been eliminated by the DAG Combiner.");
+
+ case SystemZ::MOVE_STACK_GUARD:
+ case SystemZ::COMPARE_STACK_GUARD:
+ llvm_unreachable("MOVE_STACK_GUARD and COMPARE_STACK_GUARD should have "
+ "been expanded by ExpandPostRAPseudo.");
+
+ case SystemZ::LARL:
+ case SystemZ::LGRL: {
+ auto &Op = MI->getOperand(1);
+ if (Op.isGlobal() && (Op.getGlobal()->getName() == "__stack_chk_guard"))
----------------
dominik-steenken wrote:
So - this would mean, e.g., bringing back the `LOAD_STACK_GUARD_ADDRESS`
pseudo, and lowering it here, right?
https://github.com/llvm/llvm-project/pull/169317
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