Relax this condition.

Some passes require breaking critical edges before they're called. Don't
segfault because of that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140196 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 03770cc1daaa0548b1b8631570fca89377818cad..4fbb9875fb0fe4e0e4f78720207c9b135556ffe6 100644 (file)
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -178,8 +178,7 @@ BasicBlock *llvm::SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum,
 
   // Splitting the critical edge to a landing pad block is non-trivial. Don't do
   // it in this generic function.
-  assert(!DestBB->isLandingPad() &&
-         "Cannot split critical edge to a landing pad block!");
+  if (DestBB->isLandingPad()) return 0;
 
   // Create a new basic block, linking it into the CFG.
   BasicBlock *NewBB = BasicBlock::Create(TI->getContext(),