[Analysis] Fix -Wunused-function in ConstantFolding.cpp (NFC)

DamonFool · DamonFool · commit e42a4c70a112 · 2024-06-18T20:49:29.000+08:00
/llvm-project/llvm/lib/Analysis/ConstantFolding.cpp:1787:11:
error: unused function 'ConstantFoldFP128' [-Werror,-Wunused-function]
Constant *ConstantFoldFP128(long double (*NativeFP)(long double),
          ^
1 error generated.
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -1784,6 +1784,7 @@ Constant *ConstantFoldFP(double (*NativeFP)(double), const APFloat &V,
 }
 
 #if defined(HAS_IEE754_FLOAT128)
+LLVM_ATTRIBUTE_UNUSED
 Constant *ConstantFoldFP128(long double (*NativeFP)(long double),
                             const APFloat &V, Type *Ty) {
   llvm_fenv_clearexcept();

Original file line number	Diff line number	Diff line change
`@@ -1784,6 +1784,7 @@ Constant ConstantFoldFP(double (NativeFP)(double), const APFloat &V,`
`1784`	`1784`	`}`
`1785`	`1785`
`1786`	`1786`	`#if defined(HAS_IEE754_FLOAT128)`
	`1787`	`+LLVM_ATTRIBUTE_UNUSED`
`1787`	`1788`	`Constant ConstantFoldFP128(long double (NativeFP)(long double),`
`1788`	`1789`	`const APFloat &V, Type *Ty) {`
`1789`	`1790`	`llvm_fenv_clearexcept();`