1 files changed, 2 insertions, 4 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index f14de66a62c..86f5652f830 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -4508,10 +4508,8 @@ static Value *SimplifyFDivInst(Value *Op0, Value *Op1, FastMathFlags FMF,
     // -X /  X -> -1.0 and
     //  X / -X -> -1.0 are legal when NaNs are ignored.
     // We can ignore signed zeros because +-0.0/+-0.0 is NaN and ignored.
-    if ((BinaryOperator::isFNeg(Op0, /*IgnoreZeroSign=*/true) &&
-         BinaryOperator::getFNegArgument(Op0) == Op1) ||
-        (BinaryOperator::isFNeg(Op1, /*IgnoreZeroSign=*/true) &&
-         BinaryOperator::getFNegArgument(Op1) == Op0))
+    if (match(Op0, m_FNegNSZ(m_Specific(Op1))) ||
+        match(Op1, m_FNegNSZ(m_Specific(Op0))))
       return ConstantFP::get(Op0->getType(), -1.0);
   }