[WinEH] Avoid creating MBBs for LLVM BBs that cannot contain code

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGISel.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 7e2bbaef4d81c3b909eb9ee1b3a7e70a0106a6c0..d4cda5ce1d26e6310583f64f9fb5e02f0bdd4251 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -1153,6 +1153,8 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
     BasicBlock::const_iterator BI = End;
 
     FuncInfo->MBB = FuncInfo->MBBMap[LLVMBB];
+    if (!FuncInfo->MBB)
+      continue; // Some blocks like catchpads have no code or MBB.
     FuncInfo->InsertPt = FuncInfo->MBB->getFirstNonPHI();
 
     // Setup an EH landing-pad block.