[Analysis] Drop const from a return type (NFC)

[kazutakahirata]

We don't need const on a return type.

[llvmbot]

@llvm/pr-subscribers-llvm-analysis

Author: Kazu Hirata (kazutakahirata)

Changes

We don't need const on a return type.

---

Full diff: https://github.com/llvm/llvm-project/pull/147098.diff

1 Files Affected:

• (modified) llvm/lib/Analysis/ConstantFolding.cpp (+1-1)

diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index af955f202ac28..6e469c034d9c8 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -1963,7 +1963,7 @@ 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;