[analyzer] Remove isa<> followed by dyn_cast<>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169530 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 7 deletions

diff --git a/lib/StaticAnalyzer/Core/ExplodedGraph.cpp b/lib/StaticAnalyzer/Core/ExplodedGraph.cpp
index 3c5380c54d..d64078f750 100644
--- a/lib/StaticAnalyzer/Core/ExplodedGraph.cpp
+++ b/lib/StaticAnalyzer/Core/ExplodedGraph.cpp
@@ -104,14 +104,13 @@ bool ExplodedGraph::shouldCollect(const ExplodedNode *node) {
   // Do not collect nodes for non-consumed Stmt or Expr to ensure precise
   // diagnostic generation; specifically, so that we could anchor arrows
   // pointing to the beginning of statements (as written in code).
-  if (!isa<Expr>(ps.getStmt()))
+  const Expr *Ex = dyn_cast<Expr>(ps.getStmt());
+  if (!Ex)
+    return false;
+
+  ParentMap &PM = progPoint.getLocationContext()->getParentMap();
+  if (!PM.isConsumedExpr(Ex))
     return false;
-  
-  if (const Expr *Ex = dyn_cast<Expr>(ps.getStmt())) {
-    ParentMap &PM = progPoint.getLocationContext()->getParentMap();
-    if (!PM.isConsumedExpr(Ex))
-      return false;
-  }
   
   // Condition 9.
   const ProgramPoint SuccLoc = succ->getLocation();