Add missing implicit operand.

jacobly0 · jacobly0 · commit a213152dd72c · 2023-01-31T21:27:08.000-05:00
diff --git a/llvm/lib/Target/Z80/Z80PostSelectCombiner.cpp b/llvm/lib/Target/Z80/Z80PostSelectCombiner.cpp
@@ -145,6 +145,7 @@ bool Z80PostSelectCombiner::runOnMachineFunction(MachineFunction &MF) {
         MI.setDesc(TII.get(DstReg == Z80::SPL ? Z80::LD24sa : Z80::LD16sa));
         MI.removeOperand(0);
         MI.getOperand(0).setReg(TmpReg);
+        MachineInstrBuilder(MF, MI).addReg(DstReg, RegState::ImplicitDefine);
         Changed = true;
         break;
       }

Original file line number	Diff line number	Diff line change
`@@ -145,6 +145,7 @@ bool Z80PostSelectCombiner::runOnMachineFunction(MachineFunction &MF) {`
`145`	`145`	`MI.setDesc(TII.get(DstReg == Z80::SPL ? Z80::LD24sa : Z80::LD16sa));`
`146`	`146`	`MI.removeOperand(0);`
`147`	`147`	`MI.getOperand(0).setReg(TmpReg);`
	`148`	`+ MachineInstrBuilder(MF, MI).addReg(DstReg, RegState::ImplicitDefine);`
`148`	`149`	`Changed = true;`
`149`	`150`	`break;`
`150`	`151`	`}`