[AMDGPU] Fix -Wunused-function in GCNDPPCombine.cpp (NFC)

DamonFool · DamonFool · commit 2dcc71af1879 · 2023-09-29T18:24:18.000+08:00
/llvm-project/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp:194:17: error: unused function 'getOperandSize' [-Werror,-Wunused-function]
static unsigned getOperandSize(MachineInstr &amp;MI, unsigned Idx,
                ^
1 error generated.
diff --git a/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp b/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp
@@ -191,7 +191,7 @@ MachineOperand *GCNDPPCombine::getOldOpndValue(MachineOperand &OldOpnd) const {
   return &OldOpnd;
 }
 
-static unsigned getOperandSize(MachineInstr &MI, unsigned Idx,
+[[maybe_unused]] static unsigned getOperandSize(MachineInstr &MI, unsigned Idx,
                                MachineRegisterInfo &MRI) {
   int16_t RegClass = MI.getDesc().operands()[Idx].RegClass;
   if (RegClass == -1)

Original file line number	Diff line number	Diff line change
`@@ -191,7 +191,7 @@ MachineOperand *GCNDPPCombine::getOldOpndValue(MachineOperand &OldOpnd) const {`
`191`	`191`	`return &OldOpnd;`
`192`	`192`	`}`
`193`	`193`
`194`		`-static unsigned getOperandSize(MachineInstr &MI, unsigned Idx,`
	`194`	`+[[maybe_unused]] static unsigned getOperandSize(MachineInstr &MI, unsigned Idx,`
`195`	`195`	`MachineRegisterInfo &MRI) {`
`196`	`196`	`int16_t RegClass = MI.getDesc().operands()[Idx].RegClass;`
`197`	`197`	`if (RegClass == -1)`