1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp b/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp
index 796177b5f85..2a29c08a655 100644
--- a/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp
+++ b/llvm/lib/Transforms/Scalar/CallSiteSplitting.cpp
@@ -206,6 +206,12 @@ static bool canSplitCallSite(CallSite CS, TargetTransformInfo &TTI) {
       isa<IndirectBrInst>(Preds[1]->getTerminator()))
     return false;
 
+  // Do not split a call-site in an exception handling block. This check
+  // prevents triggering an assertion in SplitEdge used via
+  // DuplicateInstructionsInSplitBetween. 
+  if (CallSiteBB->isEHPad())
+    return false;
+
   return CallSiteBB->canSplitPredecessors();
 }