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-rw-r--r--lib/Transforms/Utils/BasicBlockUtils.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp
index f3c1754..1f9a203 100644
--- a/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -271,6 +271,8 @@ void llvm::RemoveSuccessor(TerminatorInst *TI, unsigned SuccNum) {
/// SplitEdge - Split the edge connecting specified block. Pass P must
/// not be NULL.
BasicBlock *llvm::SplitEdge(BasicBlock *BB, BasicBlock *Succ, Pass *P) {
+ assert(!isa<IndirectBrInst>(BB->getTerminator()) &&
+ "Cannot split an edge from an IndirectBrInst");
TerminatorInst *LatchTerm = BB->getTerminator();
unsigned SuccNum = 0;
#ifndef NDEBUG