InterleavedLoadCombine - merge isa<> and dyn_cast<> duplicates. NFCI.

Silence static analyzer null dereference warning of *dyn_cast<BinaryOperator> by merging with the isa<BinaryOperator> above.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371935 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/InterleavedLoadCombinePass.cpp b/lib/CodeGen/InterleavedLoadCombinePass.cpp
index 9525da849e2a6c326dea1ffa963d532c49aabaa7..770c4952d169dd1fe1f2cf6af5b2442ea99a125e 100644 (file)
--- a/lib/CodeGen/InterleavedLoadCombinePass.cpp
+++ b/lib/CodeGen/InterleavedLoadCombinePass.cpp
@@ -940,8 +940,8 @@ public:
   /// \param V input value
   /// \param Result result polynomial
   static void computePolynomial(Value &V, Polynomial &Result) {
-    if (isa<BinaryOperator>(&V))
-      computePolynomialBinOp(*dyn_cast<BinaryOperator>(&V), Result);
+    if (auto *BO = dyn_cast<BinaryOperator>(&V))
+      computePolynomialBinOp(*BO, Result);
     else
       Result = Polynomial(&V);
   }