Fix bug: SimplifyCFG/2003-08-05-InvokeCrash.ll

Fix bug: SimplifyCFG/2003-08-05-MishandleInvoke.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7599 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index e191044..1adbef9 100644 (file)
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -201,7 +201,8 @@ bool SimplifyCFG(BasicBlock *BB) {
       }
   
     BasicBlock *OnlySucc = 0;
-    if (OnlyPred && OnlyPred != BB) {   // Don't break self loops
+    if (OnlyPred && OnlyPred != BB &&    // Don't break self loops
+        OnlyPred->getTerminator()->getOpcode() != Instruction::Invoke) {
       // Check to see if there is only one distinct successor...
       succ_iterator SI(succ_begin(OnlyPred)), SE(succ_end(OnlyPred));
       OnlySucc = BB;