From a4ee1f516f5af3849672780d136559f8c9aea9b7 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++.

llvm-svn: 50901
---
 llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index e8b60f890c29..f3591879f7bb 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/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() ==
-- 
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