[Reassoc] Small fix to support unary FNeg in NegateValue(...)

Differential Revision: https://reviews.llvm.org/D66612

llvm-svn: 369772
diff --git a/llvm/lib/Transforms/Scalar/Reassociate.cpp b/llvm/lib/Transforms/Scalar/Reassociate.cpp
index 0d48947..124f625 100644
--- a/llvm/lib/Transforms/Scalar/Reassociate.cpp
+++ b/llvm/lib/Transforms/Scalar/Reassociate.cpp
@@ -861,7 +861,7 @@
     // this use.  We do this by moving it to the entry block (if it is a
     // non-instruction value) or right after the definition.  These negates will
     // be zapped by reassociate later, so we don't need much finesse here.
-    BinaryOperator *TheNeg = cast<BinaryOperator>(U);
+    Instruction *TheNeg = cast<Instruction>(U);
 
     // Verify that the negate is in this function, V might be a constant expr.
     if (TheNeg->getParent()->getParent() != BI->getParent()->getParent())