From bfc538c09ef619c2eac88c13ce32a94ca71694b9 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 9 May 2008 15:07:33 +0000
Subject: [PATCH] don't sink invokes, even if they are readonly.  This fixes a
 crash on kimwitu++.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50901 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/InstructionCombining.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index e8b60f890c2..f3591879f7b 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -11233,7 +11233,8 @@ static bool TryToSinkInstruction(Instruction *I, BasicBlock *DestBlock) {
   assert(I->hasOneUse() && "Invariants didn't hold!");
 
   // Cannot move control-flow-involving, volatile loads, vaarg, etc.
-  if (isa<PHINode>(I) || I->mayWriteToMemory()) return false;
+  if (isa<PHINode>(I) || I->mayWriteToMemory() || isa<TerminatorInst>(I))
+    return false;
 
   // Do not sink alloca instructions out of the entry block.
   if (isa<AllocaInst>(I) && I->getParent() ==