From 6e51070dda9b9f12a867ad899f56aa375c223f11 Mon Sep 17 00:00:00 2001
From: David Majnemer <david.majnemer@gmail.com>
Date: Sat, 23 Jan 2016 06:00:44 +0000
Subject: [PruneEH] Don't try to insert a terminator after another terminator

LLVM's BasicBlock has a single terminator, it is not valid to have two.

llvm-svn: 258616
---
 llvm/lib/Transforms/IPO/PruneEH.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Transforms/IPO/PruneEH.cpp')

diff --git a/llvm/lib/Transforms/IPO/PruneEH.cpp b/llvm/lib/Transforms/IPO/PruneEH.cpp
index c2f55d896ba..22a95fa03f7 100644
--- a/llvm/lib/Transforms/IPO/PruneEH.cpp
+++ b/llvm/lib/Transforms/IPO/PruneEH.cpp
@@ -252,7 +252,8 @@ void PruneEH::DeleteBasicBlock(BasicBlock *BB) {
   }
 
   if (TokenInst) {
-    changeToUnreachable(TokenInst->getNextNode(), /*UseLLVMTrap=*/false);
+    if (!isa<TerminatorInst>(TokenInst))
+      changeToUnreachable(TokenInst->getNextNode(), /*UseLLVMTrap=*/false);
   } else {
     // Get the list of successors of this block.
     std::vector<BasicBlock *> Succs(succ_begin(BB), succ_end(BB));
-- 
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