https://github.com/kasuga-fj updated 
https://github.com/llvm/llvm-project/pull/208155

>From b82e75df24eeff50ce5f456034651df544e5c192 Mon Sep 17 00:00:00 2001
From: Ryotaro Kasuga <[email protected]>
Date: Wed, 8 Jul 2026 07:08:22 +0000
Subject: [PATCH] [SCEVDivision] Remove unnecessary integer promotion (NFCI)

---
 llvm/lib/Analysis/ScalarEvolutionDivision.cpp | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/llvm/lib/Analysis/ScalarEvolutionDivision.cpp 
b/llvm/lib/Analysis/ScalarEvolutionDivision.cpp
index 8bd5cb9d339b2..1fda62361667c 100644
--- a/llvm/lib/Analysis/ScalarEvolutionDivision.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionDivision.cpp
@@ -111,13 +111,8 @@ void SCEVDivision::visitConstant(const SCEVConstant 
*Numerator) {
   if (const SCEVConstant *D = dyn_cast<SCEVConstant>(Denominator)) {
     APInt NumeratorVal = Numerator->getAPInt();
     APInt DenominatorVal = D->getAPInt();
-    uint32_t NumeratorBW = NumeratorVal.getBitWidth();
-    uint32_t DenominatorBW = DenominatorVal.getBitWidth();
-
-    if (NumeratorBW > DenominatorBW)
-      DenominatorVal = DenominatorVal.sext(NumeratorBW);
-    else if (NumeratorBW < DenominatorBW)
-      NumeratorVal = NumeratorVal.sext(DenominatorBW);
+    assert(NumeratorVal.getBitWidth() == DenominatorVal.getBitWidth() &&
+           "Numerator and Denominator must have the same bit width");
 
     APInt QuotientVal(NumeratorVal.getBitWidth(), 0);
     APInt RemainderVal(NumeratorVal.getBitWidth(), 0);

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