[RISCV] Fix -Wunused-function in RISCVVLOptimizer.cpp (NFC)

DamonFool · DamonFool · commit 8b17916217e8 · 2024-10-11T23:03:38.000+08:00
/llvm-project/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp:125:21:
error: unused function 'operator&lt;&lt;' [-Werror,-Wunused-function]
static raw_ostream &amp;operator&lt;&lt;(raw_ostream &amp;OS, const OperandInfo &amp;OI) {
                    ^
1 error generated.
diff --git a/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp b/llvm/lib/Target/RISCV/RISCVVLOptimizer.cpp
@@ -122,6 +122,7 @@ struct OperandInfo {
   }
 };
 
+LLVM_ATTRIBUTE_UNUSED
 static raw_ostream &operator<<(raw_ostream &OS, const OperandInfo &OI) {
   OI.print(OS);
   return OS;

Original file line number	Diff line number	Diff line change
`@@ -122,6 +122,7 @@ struct OperandInfo {`
`122`	`122`	`}`
`123`	`123`	`};`
`124`	`124`
	`125`	`+LLVM_ATTRIBUTE_UNUSED`
`125`	`126`	`static raw_ostream &operator<<(raw_ostream &OS, const OperandInfo &OI) {`
`126`	`127`	`OI.print(OS);`
`127`	`128`	`return OS;`