1 files changed, 1 insertions, 4 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 2d1486d..063162e 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -4940,11 +4940,8 @@ void computeKnownFPClass(const Value *V, const APInt &DemandedElts,
       // subnormal input could produce a negative zero output.
       const Function *F = II->getFunction();
       if (Q.IIQ.hasNoSignedZeros(II) ||
-          (F && KnownSrc.isKnownNeverLogicalNegZero(*F, II->getType()))) {
+          (F && KnownSrc.isKnownNeverLogicalNegZero(*F, II->getType())))
         Known.knownNot(fcNegZero);
-        if (KnownSrc.isKnownNeverNaN())
-          Known.signBitMustBeZero();
-      }
 
       break;
     }