[Analysis] Drop const from return types (NFC)

[kazutakahirata]

We don't need const on APFloat.

[llvmbot]

@llvm/pr-subscribers-llvm-analysis

Author: Kazu Hirata (kazutakahirata)

Changes

We don't need const on APFloat.

---

Full diff: https://github.com/llvm/llvm-project/pull/150258.diff

1 Files Affected:

• (modified) llvm/lib/Analysis/ConstantFolding.cpp (+4-5)

diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index e71ba5ea5521e..ec78386def24f 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -2004,21 +2004,20 @@ inline bool llvm_fenv_testexcept() {
   return false;
 }
 
-static const APFloat FTZPreserveSign(const APFloat &V) {
+static APFloat FTZPreserveSign(const APFloat &V) {
   if (V.isDenormal())
     return APFloat::getZero(V.getSemantics(), V.isNegative());
   return V;
 }
 
-static const APFloat FlushToPositiveZero(const APFloat &V) {
+static APFloat FlushToPositiveZero(const APFloat &V) {
   if (V.isDenormal())
     return APFloat::getZero(V.getSemantics(), false);
   return V;
 }
 
-static const APFloat
-FlushWithDenormKind(const APFloat &V,
-                    DenormalMode::DenormalModeKind DenormKind) {
+static APFloat FlushWithDenormKind(const APFloat &V,
+                                   DenormalMode::DenormalModeKind DenormKind) {
   assert(DenormKind != DenormalMode::DenormalModeKind::Invalid &&
          DenormKind != DenormalMode::DenormalModeKind::Dynamic);
   switch (DenormKind) {