[llvm] [InstCombine] Correct handling of `fabs` with `nsz` attribute (PR #216232)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Analysis/InstructionSimplify.cpp llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index 4aeeded46..382ccd213 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -6613,7 +6613,7 @@ static Value *simplifyUnaryIntrinsic(Intrinsic::ID IID, Value *Op0,
       return Op0;
 
     if (KnownClass.cannotBeOrderedLessThanZero() &&
-        KnownClass.isKnownNeverNaN() && FMF.noSignedZeros() && 
+        KnownClass.isKnownNeverNaN() && FMF.noSignedZeros() &&
         KnownClass.isKnownNeverNegZero())
       return Op0;
 

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https://github.com/llvm/llvm-project/pull/216232