Fix typo

MacDue · MacDue · commit ab9c3a04d30e · 2025-08-05T10:13:16.000Z
TODO: Make a test case that validates this
diff --git a/llvm/lib/Target/AArch64/MachineSMEABIPass.cpp b/llvm/lib/Target/AArch64/MachineSMEABIPass.cpp
@@ -257,7 +257,7 @@ void MachineSMEABI::pickBundleZAStates(MachineFunction &MF) {
         LLVM_DEBUG(dbgs() << " DesiredIncomingState: "
                           << getZAStateString(DesiredIncomingState));
       }
-      ZAState DesiredOutgoingState = Block.Insts.front().NeededState;
+      ZAState DesiredOutgoingState = Block.Insts.back().NeededState;
       if (OutEdge && isLegalEdgeBundleZAState(DesiredOutgoingState)) {
         EdgeStateCounts[DesiredOutgoingState]++;
         LLVM_DEBUG(dbgs() << " DesiredOutgoingState: "

Original file line number	Diff line number	Diff line change
`@@ -257,7 +257,7 @@ void MachineSMEABI::pickBundleZAStates(MachineFunction &MF) {`
`257`	`257`	`LLVM_DEBUG(dbgs() << " DesiredIncomingState: "`
`258`	`258`	`<< getZAStateString(DesiredIncomingState));`
`259`	`259`	`}`
`260`		`- ZAState DesiredOutgoingState = Block.Insts.front().NeededState;`
	`260`	`+ ZAState DesiredOutgoingState = Block.Insts.back().NeededState;`
`261`	`261`	`if (OutEdge && isLegalEdgeBundleZAState(DesiredOutgoingState)) {`
`262`	`262`	`EdgeStateCounts[DesiredOutgoingState]++;`
`263`	`263`	`LLVM_DEBUG(dbgs() << " DesiredOutgoingState: "`