Use dyn_cast instead of isa+cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124404 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp
index fb55d7ce4f0ad3e375c3ea1c08b9ffc869cb9031..9abb99d04d36fd5e0ee0336e21975bb66b462acf 100644 (file)
--- a/lib/Transforms/IPO/MergeFunctions.cpp
+++ b/lib/Transforms/IPO/MergeFunctions.cpp
@@ -460,9 +460,8 @@ bool FunctionComparator::Enumerate(const Value *V1, const Value *V2) {
   if (V1 == F2 && V2 == F1)
     return true;
 
-  if (isa<Constant>(V1)) {
+  if (Constant *C1 = dyn_cast<Constant>(V1)) {
     if (V1 == V2) return true;
-    const Constant *C1 = cast<Constant>(V1);
     const Constant *C2 = dyn_cast<Constant>(V2);
     if (!C2) return false;
     // TODO: constant expressions with GEP or references to F1 or F2.