New EH representation for MSVC compatibility

[oota-llvm.git] / lib / Transforms / Scalar / JumpThreading.cpp

diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index 1130d228acb8c099118a1a0f5682e02b31cdf570..e845a7f586bc3160143efb663980efaf7527a0f6 100644 (file)
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -669,7 +669,8 @@ bool JumpThreading::ProcessBlock(BasicBlock *BB) {
   // because now the condition in this block can be threaded through
   // predecessors of our predecessor block.
   if (BasicBlock *SinglePred = BB->getSinglePredecessor()) {
-    if (SinglePred->getTerminator()->getNumSuccessors() == 1 &&
+    const TerminatorInst *TI = SinglePred->getTerminator();
+    if (!TI->isExceptional() && TI->getNumSuccessors() == 1 &&
         SinglePred != BB && !hasAddressTakenAndUsed(BB)) {
       // If SinglePred was a loop header, BB becomes one.
       if (LoopHeaders.erase(SinglePred))