[llvm] [IR] Add `getNoWrapKind` method for `OverflowingBinaryOperator` (NFC) (PR #84502)

[Antonio Frighetto via llvm-commits]

https://github.com/antoniofrighetto created https://github.com/llvm/llvm-project/pull/84502

None

>From dedc91dc10b58779bddf08f8e411ed5a9dad36ee Mon Sep 17 00:00:00 2001
From: Antonio Frighetto <me at antoniofrighetto.com>
Date: Fri, 8 Mar 2024 16:32:03 +0100
Subject: [PATCH] [IR] Add `getNoWrapKind` method for
 `OverflowingBinaryOperator` (NFC)

---
 llvm/include/llvm/IR/Operator.h     | 12 ++++++++++++
 llvm/lib/Analysis/LazyValueInfo.cpp |  7 +------
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/llvm/include/llvm/IR/Operator.h b/llvm/include/llvm/IR/Operator.h
index 7168128648d8e2..e5264983390109 100644
--- a/llvm/include/llvm/IR/Operator.h
+++ b/llvm/include/llvm/IR/Operator.h
@@ -109,6 +109,18 @@ class OverflowingBinaryOperator : public Operator {
     return (SubclassOptionalData & NoSignedWrap) != 0;
   }
 
+  /// Returns the no-wrap kind of the operation.
+  unsigned getNoWrapKind() const {
+    unsigned NoWrapKind = 0;
+    if (hasNoUnsignedWrap())
+      NoWrapKind |= NoUnsignedWrap;
+
+    if (hasNoSignedWrap())
+      NoWrapKind |= NoSignedWrap;
+
+    return NoWrapKind;
+  }
+
   static bool classof(const Instruction *I) {
     return I->getOpcode() == Instruction::Add ||
            I->getOpcode() == Instruction::Sub ||
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index b948eb6ebd1266..9ae31d165235ca 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -997,12 +997,7 @@ LazyValueInfoImpl::solveBlockValueBinaryOp(BinaryOperator *BO, BasicBlock *BB) {
   assert(BO->getOperand(0)->getType()->isSized() &&
          "all operands to binary operators are sized");
   if (auto *OBO = dyn_cast<OverflowingBinaryOperator>(BO)) {
-    unsigned NoWrapKind = 0;
-    if (OBO->hasNoUnsignedWrap())
-      NoWrapKind |= OverflowingBinaryOperator::NoUnsignedWrap;
-    if (OBO->hasNoSignedWrap())
-      NoWrapKind |= OverflowingBinaryOperator::NoSignedWrap;
-
+    unsigned NoWrapKind = OBO->getNoWrapKind();
     return solveBlockValueBinaryOpImpl(
         BO, BB,
         [BO, NoWrapKind](const ConstantRange &CR1, const ConstantRange &CR2) {