[llvm] ValueTracking: modernize isKnownInversion (NFC) (PR #126234)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon updated https://github.com/llvm/llvm-project/pull/126234

>From d6978c0b7b7abc632e58c7eefbdfb87d191e09af Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <ramkumar.ramachandra at codasip.com>
Date: Fri, 7 Feb 2025 11:47:10 +0000
Subject: [PATCH] ValueTracking: modernize isKnownInversion (NFC)

---
 llvm/lib/Analysis/ValueTracking.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 6eba6c0f08c3f40..8a9ad55366ee703 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -8599,7 +8599,7 @@ bool llvm::isKnownInversion(const Value *X, const Value *Y) {
     return false;
 
   // They must both have samesign flag or not.
-  if (cast<ICmpInst>(X)->hasSameSign() != cast<ICmpInst>(Y)->hasSameSign())
+  if (Pred1.hasSameSign() != Pred2.hasSameSign())
     return false;
 
   if (B == C)
@@ -8611,8 +8611,7 @@ bool llvm::isKnownInversion(const Value *X, const Value *Y) {
     return false;
 
   // Sign bits of two RHSCs should match.
-  if (cast<ICmpInst>(X)->hasSameSign() &&
-      RHSC1->isNonNegative() != RHSC2->isNonNegative())
+  if (Pred1.hasSameSign() && RHSC1->isNonNegative() != RHSC2->isNonNegative())
     return false;
 
   const auto CR1 = ConstantRange::makeExactICmpRegion(Pred1, *RHSC1);