[llvm] [Analysis] Drop const from return types (NFC) (PR #150258)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/150258

We don't need const on APFloat.


>From ed510862a5e9d2289f184fb181af5d2d95227ab2 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Tue, 22 Jul 2025 23:23:45 -0700
Subject: [PATCH] [Analysis] Drop const from return types (NFC)

We don't need const on APFloat.
---
 llvm/lib/Analysis/ConstantFolding.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

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) {