[AArch64] Fix -Wunused-function of getLivePhysRegsUpTo in AArch64FrameLowering.cpp (NFC)

DamonFool · DamonFool · commit 7cf26e0c6dec · 2023-11-23T09:06:48.000+08:00
/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp:1428:13: error: unused function 'getLivePhysRegsUpTo' [-Werror,-Wunused-function]
static void getLivePhysRegsUpTo(MachineInstr &amp;MI, const TargetRegisterInfo &amp;TRI,
            ^
1 error generated.
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -1423,6 +1423,7 @@ static void emitDefineCFAWithFP(MachineFunction &MF, MachineBasicBlock &MBB,
       .setMIFlags(MachineInstr::FrameSetup);
 }
 
+#ifndef NDEBUG
 /// Collect live registers from the end of \p MI's parent up to (including) \p
 /// MI in \p LiveRegs.
 static void getLivePhysRegsUpTo(MachineInstr &MI, const TargetRegisterInfo &TRI,
@@ -1434,6 +1435,7 @@ static void getLivePhysRegsUpTo(MachineInstr &MI, const TargetRegisterInfo &TRI,
        reverse(make_range(MI.getIterator(), MBB.instr_end())))
     LiveRegs.stepBackward(MI);
 }
+#endif
 
 void AArch64FrameLowering::emitPrologue(MachineFunction &MF,
                                         MachineBasicBlock &MBB) const {

Original file line number	Diff line number	Diff line change
`@@ -1423,6 +1423,7 @@ static void emitDefineCFAWithFP(MachineFunction &MF, MachineBasicBlock &MBB,`
`1423`	`1423`	`.setMIFlags(MachineInstr::FrameSetup);`
`1424`	`1424`	`}`
`1425`	`1425`
	`1426`	`+#ifndef NDEBUG`
`1426`	`1427`	`/// Collect live registers from the end of \p MI's parent up to (including) \p`
`1427`	`1428`	`/// MI in \p LiveRegs.`
`1428`	`1429`	`static void getLivePhysRegsUpTo(MachineInstr &MI, const TargetRegisterInfo &TRI,`
`@@ -1434,6 +1435,7 @@ static void getLivePhysRegsUpTo(MachineInstr &MI, const TargetRegisterInfo &TRI,`
`1434`	`1435`	`reverse(make_range(MI.getIterator(), MBB.instr_end())))`
`1435`	`1436`	`LiveRegs.stepBackward(MI);`
`1436`	`1437`	`}`
	`1438`	`+#endif`
`1437`	`1439`
`1438`	`1440`	`void AArch64FrameLowering::emitPrologue(MachineFunction &MF,`
`1439`	`1441`	`MachineBasicBlock &MBB) const {`